QuestorSurveysLinr 52HI4NWI004 2.14143 WHITEBIRCH LAKE 010
200 Grand River Ave., Brantford. Ontario, Canaaa~iMd i 4X9 lel.:(519) 753-1600 Fax.:(519)753-5533
LOGISTICS REPORT
QUESTEM
ELECTROMAGNETIC/MAGNETIC
SURVEY
TOMMYHOW LAKE AREA, ONTARIO
2.141434
PROJECT # 90074 APRIL 1991
52H14NWlaa4 2.14143 WHITEBIRCH LAKE 010C
TABLE OF CON l ENTS
1. INTRODUCTION
2. PROJECT LOCATION
Figure 1
3. SURVEY OPERATIONS
3a. Survey Personnel
3b. Instruments
3c. Production
3d. Products
3e. Survey Procedure
3f. Magnetic Diurnal
4. DATA COMPILATION
4a. Data Recovery
4b. Computer Processing
5. ELECTROMAGNETIC DATA
5a. Presentation
5b. Conductivity and Depth Analysis
6. GEOLOGICAL PERSPECTIVE
6a. Geology
6b. Interpretation
6c. Secondary (Orthogonal) Survey
7. DISCUSSION OF ANOMALIES
8. CONCLUSIONS
1
2
3
3
3
4
7
8
9
10
10
11
12
12
14
17
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17
19
20
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1. INTRODUCTION
This report details the operation and interpretation of a fixed-wing airborne
Electromagnetic and Magnetic survey flown for BMP-UTAH Mines Ltd. The
system used was the QUESTEM Digital Time Domain EM system.
The survey was commissioned by W.J. Mitchell, Exploration Manager of
BHP-UTAH Mines Ltd. on August 7,1990. Terence J. Mcconnell, Geophysicist for
Questor Surveys, supervised the data compilation and interpretation through to the
completion of the project in April 1991.
The survey consists of two blocks, A and B, where Block B overlies the western
third of Block A. Both blocks comprised a total of 1,172 kilometres of traverse and
control lines. These were flown on between the dates of October 10, 1990, and
January 21,1991, using Thunder Bay, Ontario as the survey operations base. The
survey was delayed due to severe weather conditions. No flying was attempted
between November 5,1990 and January 11,1991.
PROJECT LOCATIONk
The survey area is located approximately 160 kilometers north of Thunder Bay,
Ontario. The area is bounded by latitudes 490 48' N and 490 53' N and by
longitudes 890 38' W and 890 51' W. (See Rgure 1).
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3. SURVEY OPERATIONS
3a. Survey Personnel
The survey crew was made up of experienced Questor employees: Geophysicist M. Pearson l H . Skinner
Pilot l Captain of Aircraft C. Flamand l B . Nielsen Co-pilot l Engineer W. Matechuk Equipment Technical D. Curley l C . Dunkley
The flight path recovery was completed at the survey base, while the final data compilation and drafting was carried out by Questor at its Brantford, Ontario office. The report was completed by Terence J. Mcconnell, Geophysicist for Questor Surveys Limited.
Peter Diorio of BMP-UTAH Mines was the technical authority for the project.
3b. Instruments
A Shorts Skyvan, C-GDRG, equipped with the following instruments was used for the survey:
QUESTEM Digital Time Domain EM System;Scintrex H-6 Cesium Vapour Magnetometer;Picodas P1000 Digital Acquisition system;
RMS GR33 Analogue Recorder;35 mm Camera, Intervalometer and Fiducial System;TRT Radar Altimeter;Rosemount Barometric Altimeter;TRIMBLE TANS GPS Satellite Navigation System.
A Geometrics G-803 digitally recording Base Magnetometer was used to monitor and record the diurnal magnetic changes.
The equipment, such as the QUESTEM system, magnetometer and radar altimeter were regularly calibrated at the beginning and end of each survey flight as well as in mid-flight, whenever necessary.
The continuous chart speed of the RMS recorder was set at 15 cm/minute.
3c. Production
The flight line spacing over the block was 150 meters. Table 1 summarizes the kilometers flown within the survey block as well as the line direction.
Table 1
Block A Block B
Traverse Lines ....................... 784 km 332 kmTie Lines ....................... 41km 15kmTotals: ....................... 825km 347 kmGrand Total: 1.172km
Block A
Traverse Line direction ....................................... 1600 - 3400Tie Line direction ....................................... 1700 - 2500
Block B
Traverse Line direction ....................................... 1700 - 2500Tie Line direction ....................................... 1600 - 3400
The survey was completed in eight production flights. The survey took thirty eight days to complete. The following table summarizes the production schedule.
Table 2
Production Schedule
Date Flight # Reason For Non -ProductionWx Diurnal Equipment A/C
Oct. 9
1011
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Arrive in Thunder Bay
Airport Security Problems
1
233 1/2
1
1
1
1
11
1
1
1
235 3/4
11
236 1/21
237 1/2
1
1
239
1/2
11/2
Table 2
Date
Nov 1
2
34
5
6
Jan 10,91
11
12
13
1415
16
17
18
19
2021
22
23
24
Production ScheduleContinued
Flight # Reason For Non -ProductionWx Diurnal Equipment ft
11
111
Depart Thunder BayArrive Thunder Bay 1
111111
007 1/411
00901 0 Job Complete
11
Depart Thunder Bay
Note: A/C flight numbers re-zero on Jan 1 of each year.
3d. Products
The products delivered by Questorto BHP-Utah are:
a) Master topographic base map, scale 1:10,000;
b) Clear overlay with flight lines electromagnetic information, associated magnetic peaks and interpretation of results;
c) Contours of the total magnetic field on a clear overlay; scale 1:10,000;
d) Contours of the calculated vertical magnetic gradient on a clear overlay, scale 1:10,000;
e) Colour contours of total magnetic field and vertical derivative;
f) Line profiles for each flight line to include:
- 12 EM channel profiles (or 14);- Time constant profile;- Magnetic total field profile;- Magnetic vertical gradient profile;- Altimeter profiles (barometric and radar);- 60 Hz monitor profile.
g) Four copies of a brief interpretational and logistical report on the survey, suitable for assessment purposes. Includes EM anomaly data sheets and paper prints of items (b), (c) and (d) combined with (a);
h) The negative of the flight path film;
i) Clear overlay of 2 channels of EM profile information in stacked plan format. Channels will be selected after data has been reviewed;
j) ASCH located archive of profile data on 9-track tape;
k) ASCE digital grids of mag and vertical gradient on 9-track tape;
l) Digital grids of mag and vertical gradient on 3 1/2" PC disks in Geopak RTI workstation format.
3e. Survey Procedure
During the survey, the aircraft maintained a terrain clearance as close to 122 meters as possible, with the receiver coil (bird) at approximately 55 meters above the ground surface. In areas of substantial topographic relief and large population, the aircraft height may exceed 122 meters for safety reasons. The height of the bird above the ground is also influenced by the aircraft's air speed, which was maintained at 110 to 120 knots, while on survey.
Whenever possible, the traverse lines were flown in alternate flight directions (e.g.: north then south) to facilitate the interpretation of dipping conductors. When the traverse line spacing exceeded 250 meters for a continuous distance of 2.0 km or more. The gap is normally filled with an appropriately spaced fill-in line at a later date.
During the course of the survey, the following were recorded:
1. Electromagnetic results represented by fourteen channels of successively increasing time delays after cessation of the exciting pulse;
2. A record of the terrain clearance as provided by radar altimeter;3. A record of the barometric altitude above sea level of the aircraft;4. A photographic record of the terrain passing below the aircraft as obtained
from a 35 mm camera;5. Time markers impressed synchronously on the photographic and
geophysical records to facilitate accurate positioning on photomosaic^;6. Airborne magnetometer data;7. Ground base station magnetometer data;8. A representation of the amount of atmospheric activity;9. A record of the amount of bird motion with respect to the aircraft; and
8
10. 60 Hz monitor data which provides an indication of whether results are due to culture.
3f. Magnetic Diurnal
Diurnal variations in the earth's magnetic field had been recorded to an accuracy of 0.5 nT using a digitally recording base station equipped with a Geometrics G-803 Proton Precession Magnetometer. It was monitored periodically during the day for severe diurnal changes (magnetic storms). Non-linear variations in the diurnal field exceeding 5 nT per minute were considered to be a magnetic storm.
The base station magnetometer was set up in a magnetically quiet area at the Thunder Bay airport.
4. DATA COMPILATION
4a. Data Recovery
The Ilight path of the aircraft is recorded by a strip camera on black and white (125 ASA, 35 mm) film which is exposed continuously during flight at a rate of 5 mm/sec. The aperture setting on the camera can be manually adjusted by the operator during flight, assuring the proper exposure of the film. The camera is fitted with a wide angle 18 mm lens. Fiducial numbers are imprinted on the film, marked onto the analogue records and recorded digitally at the same instant.
The flight line headings are opposite on adjacent lines, which are normally flown sequentially in an "S" pattern. The navigation references are flight strips at a scale of 1:10,000 which are made from enlarged aerial photos. The equipment operator enters the flight details information into the digital data system. This information includes line number, time, fiducial range and other pertinent flight information. This flight line information is compared to the film, analogue records and the magnetic base station recording at the completion of the survey flight.
The film and all records are developed, edited and checked at the completion of each flight. Recovery of the flight track is carried out by comparing the negative of the 35 mm film to the topographic features of the base map. Coincident features are picked and plotted on a mosaic base map. At a later date, these points are transferred to the master topographic maps on which the final results are drafted. Points are picked at an average interval of 2 kilometers whenever is possible.
A TRIMBLE TANS GPS Satellite Navigation System was used on occasion during the survey. A lack of continual satellite coverage prevented it from being used for the whole survey. The positional information provided by the GPS was used as a back up to the visually recovered flight path.
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These procedures are performed on the survey site daily by the geophysicist, so that the data quality and progress may be measured objectively. Reflights for covering navigational gaps and other deficiencies are usually flown on the following day.
The analogue records are inspected for coherence with specifications, and anomalies are selected for classification and plotting. Selected anomalous conductors are positioned by plotting their fiducial positions less the lag factor.
4b. Computer Processing
The completed flight path on the topographic base is digitized on a flat-bed digitizer at the Questor head office using the picked point co-ordinates. The recovery is then routinely verified by a computer programme 'speed check1 , which
flags any abnormalities in the distance per fiducial unit between picked points on a traverse line. The GPS positional information was then added, where available, to provide continuous coverage between the picked points. As a final check, the rough magnetic contour maps and magnetic images are examined for irregularities that could be attributed to recovery errors.
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5. ELECTROMAGNETIC DATA
5a. Presentation
The flight strips for the navigation of the survey area are photomosaics constructed from air photographs. The mosaics were uncontrolled at a scale of 1:10,000. The
final data is presented on a topographic map base.
The QUESTEM anomaly map presents the information extracted from the analog records. This consists chiefly of the peak anomaly positions and response characteristics, surficial responses, up-dip responses, and magnetic anomaly locations. In effect, these represent the primary data analysis. The symbols are explained in the map legend, but the following observations are presented:
Position of peak anomaly;Conductance;Amplitude of channel 4 response;Position and peak amplitude of associated magnetic anomalies;Where present, surficial, up-dip and poorly defined responses have beenidentified with a unique symbol.
The interpretation maps outline the geophysical interpretation of the electromagnetic, magnetic, geological and physiographic data. Bedrock conductors have axis locations and dip directions, if they are interpretable. The anomalous zones which are recommended for follow-up have a reference label assigned, to which additional comments and recommendations are directed in the Interpretation section of this report. Surficial response sources are mapped out by boundaries showing their interpreted lateral extent.
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The following list summarizes the interpretation presentation: Bedrock conductor axis, probable and possible; Conductor dip;Anomalous conductors selected for ground evaluation with reference number; Bedrock conductor, depth estimates (where possible).
The survey results can be classified into the following categories and are represented on the accompanying interpretation maps by symbols described below:
a) Bedrock conductors - solid axes;b) Weak bedrock conductors - dashed axes;c) Surficial conductors.
Formational Conductors:
Bedrock conductors due to formational horizons are distinguished by aligned electromagnetic responses in long linear conductors. These formational conductors often form market horizons which may be of exploration interest.
Surficial Conductors:
The symbol "S" and the diamond shape on the interpretation map designates this type of conductor which is generally due to surficial material. These conductors often have low conductances, and 1 to 6 channel responses. In addition, the transient decays are typical of horizontal lying conductive sources. The longer (elongated) axes of the surficial bodies have no correlation with magnetics or other regional conductive trends.
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Where there is some doubt concerning the possibility of a bedrock conductor response superimposed on the surficial, these responses have been plotted with a "poorly defined" symbol.
Some of our selective criteria for distinguishing zones of interest are:
Isolated horizon or offset from formational conductors; Conductivity increase; Presence of structural features; Magnetic correlation.
Follow-up decisions for the bedrock targets should be based on favourable geology and previous drilling results.
5b. Conductivity and Depth Analysis
The conductivity-thickness products of planar horizontal, and thin steeply dipping conductors are proportional to the time constant of the secondary field electromagnetic transient decay. This transient may be closely approximated by an exponential function for which the conductivity-thickness product (TCP) is inversely proportional to the log of the difference of two channel amplitudes at their respective sample times.
These response functions are presented in the form of graphs in which the amplitudes of the channels of the QUESTEM response are plotted on a logarithmic scale against conductivity. The relative amplitudes of the secondary response, at any given conductivity, may be accurately related to the depth of a conductor below the surface. These are typically referred to as Palacky nomograms. These are available for a number of conductor geometries.
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It has been found that the shape of the decay transient and its amplitude is usually unique to a particular geometry. Therefore, a good "fit" of the peak response amplitude to one nomogram will define its origin.
The 900 nomogram was utilized exclusively to determine the apparent conductances of the responses obtained from the survey. This procedure is valid for near vertical conductors, within a dip range of 45-1350 , relative to the aircraft flight direction.
Although the conductor depth can be interpreted from nomograms, the short strike lengths and the variability of conductor geometry may result in the over-estimation of depths.
The electromagnetic system depth capability is well characterized for a vertical plate which is 200 meters deep with a strike length of 600 meters and 300 meters depth extent. The effective penetration depth increases for a dipping target and decreases for a smaller size conductor.
Depths were only determined for responses which appear to fit the interpretation model - a thick, near vertical plate with a strike length of greater than 500 meters. Qualifications for these determinations are summarized in the Interpretation section.
The depths for 10 and 12 channel anomalies were corrected for the interpreted conductor strike intersection relative to the line direction and the effects of aircraft altitude deviations from a flight altitude of 120 meters.
15
An anomaly listing at the back of this report summarizes each anomalous response in a numerical sequence, in addition to the standard anomaly parameters, an "anomaly type" classification has been added. The letters correlate with the plotted symbols according to Table 3.
Table 3
Anomaly Listing
Anomaly Tvoe Response Source Symbol
B bedrock conductors circular
surficial (overburden or lake bottom) conductivity diamond
U up-dip accessory peak to main response half circular, half diamond
symbolically "pointing" in dip direction
poorly defined response
cultural source
asterisk "*" in lower leftquadrantsquare
The "P" poorly defined response may not yield signatures diagnostic of a discrete bedrock anomaly to standard electromagnetic prospecting equipment. Interpreted axis locations may be approximate for these intercepts.
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6. GEOLOGICAL PERSPECTIVE
6a. Geology
The survey area covers the western one third of a small greenstone belt in which numerous showings of sulphides have been reported. An overview is shown on OGS map 2442; details at 1/4 mile to the inch are seen on OGS maps P456, P467, P458, and P459.
A series of volcanics, sediments and intrusives, all Archean in age, comprise the geologic sequence. About three quarters of the area is underlain by mafic and felsic metavolcanics. These are interfingered by metasediments, mostly at the west end, and surrounded at the west and south by intrusive granitic rocks. Some thin layers of early mafic to ultramafic intrusives lie in the centre of the area.
Showings of pyrite, pyrrhotite, graphite, sphalerite, have been reported in the mafic and felsic volcanics.
6b. Interpretation
The QUESTEM survey has discovered several hundred anomalies on a line by line basis, and these have been grouped together to form twenty or so conductor axes. These have been graded as major, intermediate and minor conductors and marked as such on the interpretation map.
The major conductor axes are briefly described below to assist in setting a priority for further investigations. Experience gained over the years of EM surveying has shown that any one of the conductor axes may be the geophysical expression of sulphide minerals which are economic basemetal deposits. These usually warrant further investigation by ground geophysics and eventually drilling on a priority basis.
17
Some considerations in setting a priority are:
Very long, straight conductors of uniform conductivity are often graphitic horizons with little sulphide mineralization. However parts of these which are wider, more conductive than the rest, or faulted will have a potential sulphides emplacement.
Small, highly conductive anomalies in the order of 3 to 5 flight lines in length and lying off to the side of formational conductors. This is the model of the Sturgeon Lake, Ontario orebody and is given high priority.
Magnetic Correlation. When EM anomalies coincide directly with a magnetic anomaly, the conclusion is that the anomalies represent a magnetic conductor such as pyrrhotite or mixtures of magnetite and other sulphide minerals. Care must be taken not to be mislead by a magnetic anomaly, which while happening to coincide, is actually caused by a host rock which is itself magnetic. An iron rich gabbro containing graphite for example. The lateral dimensions of the anomalies are the test for this problem.
Overburden. Many swamps in the Precambrian shield are acidic or contain clay and are therefore electrically conductive. Conductivities of 2 - 4 mhos are common. Shape, low conductance, absence of magnetic correlation, and conformation with low topography are clues to these conductors.
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6c. Secondary (Orthogonal) Survey
The western quarter or so of the area was flown with a separate set of flight lines which were aligned at right angles to the main set so as to provide good intersections with any conductor axes aligned along the short direction of the grid, such as might be associated with the granite/volcanics contact to the west. This survey found two new conductor axes described below as Zone Q and Zone R. The rest of the conductors lay semi-parallel to these flight lines and provided the broad indeterminate anomalies which are characteristic of flying parallel to the conductor. All of the other anomalous zones which have been interpreted (Zones A to P) were based on the data from the main body of survey lines.
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7. DISCUSSION OF ANOMALIES
Zone A - These four semi-parallel conductors lie in and conform to the strike direction of a regional magnetic anomaly which is an iron rich zone of the mafic and felsic volcanics underlying the area. All of the conductors are strong, well defined, and A shows a coincident magnetic response. All are given first priority for follow-up.
Zone B - This formational axis is a strong conductor with a coincident magnetic anomaly in the west half. This part should be given high priority including a small anomaly immediately to the south on Line 10320. To the east depth calculations put it at 100 metres or so but its conductance stays strong at 28 Siemens and so it would appear to be plunging to the east.
Zone C - Strong, well-defined anomalies in the eastern half and extreme western end. Direct magnetic coincidence in the eastern part. Lies on and in fact may define the granite/mafic volcanic contact.
Zone D - This conforms to the strike direction of a magnetic body on the northeast corner of the survey area which is a branch of metasediments (O.G.S. 2442). It is a strong conductor with magnetic correlation along much of its length. Priority 1.
Zones Eand F - These are formational conductors within the mafic volcanics. There
are parts with strong EM response and with clear magnetic correlation, and these are singled out for first priority follow-up.
20
Zone G - Similar to Zones E and F but without magnetic correlation. Graphite indicated here but given at least priority 2.
Zones Hand L - Long, formational, with strong conductors and in places with magnetic
correlation. (Line 10710 to 10730 and 10850)
Zones J, Kand M - Long formational with magnetic correlation in some parts. Coincides
with and may define the volcanic/granite contact, similar to Zone C.Zone M shows a strong conductance of 29's. Follow-up should begin atZone J owing to the magnetic correlation.
Zones N - This is a strong but short conductor in the mafic volcanics, on the flank of a magnetic body and between formational conductors. It is given priority 1 for follow-up to be centered around Line 10720.
Zone P - Same comments as for Zone N. It is magnetic on Line 10891 which should be the centre of a follow-up survey.
Zone Q - This is a string of very strong anomalies on the map which displays the results of that part of the survey flown at right angles to the main survey. This is one of the few anomalies on this map which crosses the survey lines at 90 degrees. It conforms to the strike direction of the
magnetic body which appears to swing to the north in this region. The anomaly is given priority 1 for follow-up.
21
Zone R - This is a low amplitude conductor seen on four flight lines. The strike direction conforms to geology and the magnetic pattern and it has a coinciding magnetic response. Depth calculations put it from 140 to 190 metres below ground level and its conductance is from 19 to 31 Siemens. Although very weak in amplitude, this anomaly is characteristic of a deep conductor and so is recommended for follow-up on a priority two basis.
Zone T- This is a long formational conductor axis coinciding with a river/swamp/lake system and may largely be due to overburden. However, the line by line pattern of anomalies is characteristic of a steeply dipping conductor axis and so is given the category of a possible weak bedrock conductor.
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8. CONCLUSIONS
An airborne survey combining time-domain electromagnetic (EM) data and total field magnetic data has been completed over an area near Tommyhow Lake, Ontario. Total coverage is about 1,172 line kilometres at 150 metres line spacing.
The EM data indicates the presence of some 20 electrical conductors axes displaying the electrical and magnetic characteristics of sulphide mineralization. These are graded and described and a number of them have been recommended for additional investigation by ground methods.
ARoger K. Watson, P. Eng.Consulting Geophysicist for Questor Surveys LimitedMarch 28,1991
l hereby certify that to the best of my knowledge this report is representative of the aforementioned survey operation.
Respectfully submitted, QUESTOR SURVEYS LIMITED
Terence J. Mcconnell
President
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: 16 1991
1.-finals
Page 6
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5528
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5525439
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5526746
5526727
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5525171
5525
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5526870
5526933
5526
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5526
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5525475
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Apt-
13 li:
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lcc
l 1.-
finals
F-'
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16
PAG
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9007
4/1
TONM
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ll
Api- 23
i i: 16 19
91
1.-finals
Page 17
10930
C 2576.00
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1. -fina
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D 24
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1991
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A B C D A e C D E A B C D A B A A A A A A B A B C D A B C A B r D A B r-
2933.25
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-
115
110 35 -
113
124 75 109
147
132
238
103
245
393
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120 -
112
292
210
400
157
362
107
125
226 35 972
688 - - - 44 - 88 - - . - -
106 94 - 95 98 97 213 93 177
303
132
channels
6 7
129 - 93 255
169
322
143
303 95 127
221' -
786
541 - - - 48 - 93 - - — - - 76 73 - - -91 169 -
162
254
133
115 - 90 218
176
263 94 278 78 133
182 -
660
457 - - - - - - — - - - - - 79 - - — 69 137 -
146
176
0?
8 9
10
11
12 cond
97
66
53. 62 188
155
120
91
59
124
92
ei
- -
212
166
134
61
62-
231
189
159
115
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103
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406
310
236
162
354
271
217
158
125
- - - - -
.
- -
- -
-- - - - -
60
-- - -
- -
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-11
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45
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83
32146
102
62
3561
-
- -
~
56 25 20 45 42 2? 42 40 43 29 40 34 ~\2 26 45 39 12 - 16 45 - 33 26 - - 43 48 42 30 20 46 24 49 7l 2! (-;~
alt
126
119
120
116
129
126
117
119
125
128
118
122
124
126
132
111
126
131
142
111
116
115
106
106
122
122
107
118
139
119
129
113
111
112
143
i 30
msg
peak
•f
id
val
-2948.50
2961.50 - -
3045.00
'
3102.00 -
3145.00 - -
'.'-l
i .00
7-27
--. 25
3350.00 - - -
1092
.75 -
262.
5030
0.25
130.75
156.50
204.75 -
1488
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i ,:
v -'
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1264.75 -
- •-•i
45 - ~ 44 - 87 — 47 - -16
3
301 96 - - - 11 - 25 207 40 456
114 - 86 231 - 62 -
154 55 3B956 -
em
easting
3004
6229
9718
2988
1029
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2971
9129
7469
297^
2630
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3010
2430
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2953
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297
1 1-2
3010
854
301195
299620
301328
301334
2969
32
296964
2979
45
301S61
300420
297971
296817
2969
21300383
3013
04
3014
3430
0S73
2997
61298653
2-rt'-'i
~V. "
'!-'
-7fc
"7
3-:--.r"i
location
northing
5521728
5521
450
5521109
5520
850
5520723
5520
B36
5521
014
5522
000
5522175
5522331
5522
207
5521274
5520
850
5520990
5522
404
5522
653
5523025
5523
691
5524017
5523109
5523
337
5523
691
5525352
5524768
5523
857
5523
412
5523599
5524920
5525279
5525
475
5525275
5524825
5524439
55249 72
5525T97
552571-
111
: 19
1991
2.-finals
Faqe
3
20270
M20270
B20
270
C20
270
D20
270
E
1066.25
i 075. 50
1088
.00
1092.50
1121.25
P. F' E B B
9 5 11 10 12
-372
340
1183 349
768
326
232
7li
3 —
160
?
251
199
711
282
523
183
137
Si?
2 1 7
449
151 91 400
!88
338
149 -
307
165
265
107 -
245
135
229
74 -177
129
175
103
80
116
B9
- 113
- -
301=98
5526003
16
116
- -
301512
5525
B57
22
121
- -
300873
5525596
46
129
1090.75
63
3006
42
5525501
32
110
1120
.00
307
299176
5524
947
1
PAGE 2
1 me
20230
20230
21' 230
20290
2029
02C
290
20290
2029
020
290
2029
0
2-03
0020
-300
2030
0207-00
2031
020310
20310
20310
2032
020320
2033
0
2034
0
2035
0
2036
020
3tO
2037
0
2038
0
2039
020
390
20390
2040
02 '-
002
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20-0
0
Z!'.1^
1 0
1 l
l11M9 1991
2. -finals F'
acie
4
9007
4/2
TDMM
YHOW
LAKE
anomal
y •fiducial
type
chs
1
A B C A B C D c F* G A B C D A B C D A B A A A A B A A A B C A B r D H r.-
987.25
993.
501004.00
600.25
805.50
814.
00819.50
827.
7583
5.50
870.
00
690.
5071
7.75
723.
25743.25"
530.25
538.
00561.25
570.
50
410.
0043
8.00
2552
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2413
.00
2318.75
2136
.25
2164
.00
2052.00
1916.00
1832.00
1861.75
1567.25
1704.25
1720.50
1727.75
1731
.00
1 564 . 00
i577
.50
P P F' U c S u B P B t E p B S P B B B B B B B p B F B P B B B E p '' E c
12 12 10 4 12 g 12 12 12 •j 4 12 8 12 5 5 10 10 12 12 7 11 3 3 8 4 11 7 11 6 11 6 4 4 10
671
1102 666
289
1265 468
1073
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196
2025 483
1235 189
407
514
492
763
533
215
480
187
226
232
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606
150
381
318
636
577
189
179
260
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802
631
246
977
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1465 36!
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293
392
358
559
356
133
319
107
162
131 94 423
132
257
251
544
395
106
127
203
i 360
1 3=4
662
492
205
604
30 7
654
1090
1206 114
135
1172 756
507
155
241
315
276
456
316
129
246 91 93 103
112
345
107
225
194
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1 4
272
548
375
1 16
617
229
499
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895 -
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266
557
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306
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350
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104
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240 95 118
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21
lc82
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l l
li
63
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67
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1776
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4
5574
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17
- 27
- -27
52 33
28 47 37 56
— M
- -
30 61-
36 32 10-
45 5'
alt
121
142
125
103
118
119
114
120
119
122
113
130
128
125
123
127
110
127
136
123
125
132
132
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9 VI. 50 - - - -
822.
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833.
75669.00
690.25
716.75 - - -
537.25 -
569.
25
409.00
437.
25
2552.25
2411.50
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2162.25
2051
.00
.
- - - -1722.50 - -
1565
.50
1573.75
peak
val - 16 - - - - 22 -
228 39 101
288 - - - 12 -
267
267 12 26 229
176 - 42 100 - - - - -
1141 - -
23
1
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east
ing
2999
9230
0370
301006
301701
301430
300997
3007
13300286
299B
88298164
296196
2996
5430
0189
301401
3014
71301076
2998
88299415
299446
301109
298B
66
298876
2987
38
297274
2987
57
3000
16
2976
86
299522
297B
4029
7521
299166
2999
9530
0391
300563
3O0642
300039
1
location
nort
hing
5525
413
5525
560
5525
813
5526
253
5526
143
5525
961
5525853
5525
706
5525563
5524
907
5525
057
5525
688
5525
812
5526
284
5526465
5526
320
5525
849
5525
682
5525795
5526
502
5525809
5525
949
5526080
5525
685
5526
215
5526892
5526155
5527015
5526
349
5526
221
5527
027
5527364
5527
532
5527
591
5527
74S
5527
52i
11
11
23 li
: IV
199
1 2.
-fi
nals
F'ag
e 5
20410
C 1587.25
20410
D 1590.00
2042
0 A
1453
.25
20420
B 1460.00
2042
0 C
1470.00
1042
0 D
1462.75
B 12
B 12
U 4
B 12
B 12
B 12
3016 897
182
1768
1021
1142
2381
2005 15
76 1223
722
t J?
518
du
1-4
137
811366 11
11
840
666
811
676
536
406
858
670
490
357
962
310 -
470
340
285
779
282 -
379
254
238
634
240 -
288
190
176
491
183 -
231
163
126
367
157 -
165
1 30 77
270
1 05 -
116
i 03 73
19fl 71 - 69 69 46
29 - 24 29 21
124
1 22
1 '.'O
1^7
1 30
122
1561.75 -
1453
.50
1459
.25 - -
456 -
107
148 - -
2994
66299092
5527330
5527
190
2.98
332
5527
039
298715
5527166
2992
36
5527
375
299B
78
5527
6B8
23 li:
l?
1991
2.-
finals
P
age
6
-AGE
3
9007
4/2
TOMNYHOW LAKE
anom
aly
line
2042
020420
2043
020
-^30
2043
0
2044
020
440
2014
020
440
20450
2045
020
450
2046
020
460
2046
020
460
20470
20470
204BO
2048
0204BO
20490
20490
20490
20490
2050
020
500
20510
20510
29010
29010
2901
0
2902
029020
2?020
1902
019
020
E p A E C A B C D A B C A B C D A B A E C A B C D A B A B A B c hi Ci r r r
fidu
cial
1489.75
1497.25
1355.00
1365.00
13B7.75
1259.50
1283.25
1289.75
1306.00
1134
.25
1147.00
1153
.25
1044.25
1050
.25
1062.50
1065.50
904.50
915.
00
643.
5085
0.50
863.
00
689.
5070
4.00
710.75
744.25
562.
5062
9.25
480.
00487.50
3311
.25
3315
.75
3403
.50
3116
.50
3123
.75
3170
.75
3175
.75
3166.00
type F B B B B B B B B B B P
' P B U B B P B B P P B
' B B B B B B U B B 5 S c 5 c r.
chs 7 11 10 12 12 7 12 12 3 11 12 7 8 11 12 12 12 12 11 12 6 10 12 9 e 10 12 12 4 10 9 12 5 12 S 12 11
1
996
348
1120 575
1421 534
2123
1091 240
406
1028 450
4s7
739
987
684
1260
1079
1390
1625 329
255
3313 980
224
553
5008
1933 391
314
534
1492 242
676
842
1562 662
2
767
232
821
415
1092 428
1614 798
162
261
758
309
362
537
700
479
935
790
912
1245 232
196
2588 664
173
423
3921
1487 230
232
379
1204 162
479
564
110s
?49
0754
3
606
189
675
341
902
374
1320 679 93 210
605
231
327
404
555
410
759
594
686
1048 183
167
2099 487
157
376
3195
1196 160
201
291
1019 165
363
420
840
384
786
4
450
134
514
270
732
294
1 006 514 -
134
473
185
224
296
425
319
565
4o4
504
810
144
160
1618 322
126
265
2537 961
105
165
217
304
139
279
287
603
"72
53T
em ch
anne
ls5
356 85 373
203
534
217
737
395 -
105
344
138
177
212
309
204
416
315
335
615
131
134
1249 213
101
233
1947 754 -
143
159
630 E 4 201
218
409
200
6
278 80 280
166
424
198
584
285 - 71 267
104
140
144
246
166
323
242
223
479 82 123
965
174 90 196
1541 610 - 97 106
522 -
135
153
3 C' 2
141
32'.
7
215 ?1 223
126
364
166
485
243 - 78
f. -r
T
.•i O -l
1
86 96 95 194
136
241
210
158
416 89 101
794
126 82 166
1276 519 - 77 76 443 -
122
108
240
107
2T-J
8 - 82 162
127
295 -
402
198 - 78 159 - 72 69 149
137
199
168
122
315 60 96 649 70 65 134
1025 418 - 62 61 395 - 64 84 171 79 1 9.:
9 - 65 151
100
224 -
310
139 - 61 138 - - 64 122 97 133
144
105
242 - 75 519 62 -
110
664
358 - 51 51 324 - 71 -
1 33
7 r
10 - 49 121 60 160 -
234 99 - 61 B3 - —
51 65 65 104 93 62 18B - 58 416 - -
74 673
272 - 50 -
247 - 42 - 36 7J
' TIT
11 - 33 - 50 95
^17
7 84 - 40 1 2 - - 38 46 59 102 62 45 162 - -
313 - - —
509
202 - - -
204 - 3 1 -
b2 53
12 - - - 31 84
-.137 54 - - •i? - ~ - 32 30 73 28 ^
107 - -
237 - - ^
361
152 - — -
15? — 31 - 43 - 65
cond 27 - .i
.'29 ^ ~
f
25 27 23 - 31 r*cr 30 15 16 21 22 23 21 14 26 42 58 29 15 40 35 31 35 T' 7 32- 37 18 19 17 1 6 21
alt
136
129
143
133
123
134
130
118
130
134
136
130
127
132
120
123
130
138
126
123
122
126
127
135
132
129
125
136
150
127
118
121
139
136
125
12*
1 !9
; 1
i
mag
fid
1469
.00
1495
.00
1359
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13B7.25
1258
.75 -
1289
.50 - -
1145
.50 - _
1052
.00
1062.0
0 -
904.50-
643.00
.- -
704.25
709.50
744.50
582.
25626.50
480.
25-
-33
14.2
534 02. 75 -
3123.7
53170.50
3174. 25 -
peak val
176
215
896 -
208
110 -
1088 - -
1562 - -
1657 191 -
188 -
4169- - -
1238 708 67 91
3595
2170 - — 50 72 - 46 13 ~t^
. -
emeasting
300226
3006
31
3005
-73000=5
2966=4
2983:3
300062
300^38
301301
301146
300403
3000
32
300
1 4 1
300465
301099
301259
301040
300400
3005
86300951
301597
301717
3008
32300429
298424
296370
300853
300618
300373
297536
297564
2977
44
301265
301254
~.i'i
\ 1 c
;*T
301
91~-'
'i 1
-'' 5
location
nort
hing
5527
814
5527
934
5528022
5527
877
5527
382
5527
547
5528024
5528140
5528493
5528589
5528
300
5523
163
5528
356
5528
476
5528751
5528820
5526661
5528
602
5529
859
5529003
5529
257
5529476
5529
132
5528963
5528
198
5523334
5529
299
5529
436
5529
253
526463
526209
520900
522200
522522
525460
5:57
71526397
528L J'T
L98i3SS 28 1 T o;
Oil SZ'ifrSE
93! 1 2
- S31
iSZ9
98 30!
S3I tiT
033 313
i!C3Gfr
C09 b~. L
668 31
5 5ZT*3
9TT 99!
i9l 333
t 5
QO'iSZ
H 03;i~
S 03063
l l
l l
l l
l l
i^'iTr'3 1661
l l
Ontario
DOCUMENT No.
JOT140* '3zReport of Work 3 . /4/4S
g Act (Geophysical, Geological and Geochemical Sun
Northern Development and ^ nes
i*.52H14NW1004 2.14143 WHITEBIRCH LAKE 300
'ype o! S orvL'yisi Mining Division Township or Area Kastlishbog Lk.AIRBORNE EM-MAG Thunder Bay Whitebirch Lk.
.•corded Hoider(S) -BMP-Utah Mines Ltd.
•daress25 Adelaide St. East, Suite 900, Toronto, Ont. M5C 1Y2
G2663 G152
Prospector's Licence No.1-793
Telephone No.(416) 368-3884
jrvt?y C- fi".;, i r- ,
Questor Surveys Limited, 200 Grand River Avenue, Brantford, Ontariorid .vi r i Address of Author (of Geo fechnic il Report)
Roger WatsonDate of Survey (from 4 to)
9 10 90 24 01 91Dav | Mo. | Vr Day | Mo | Yr
edits Requested per Each Claim in Columns at right Mining Claims Traversed (List in numerical sequence)jecial Provisions
r firs! Si'r.e,
Er;!f 4 1;. :-i,s .TTnS includes
-j' each -.T: •,,-y. survey sing the sarre c- i.
enter 2C dfl-, s 'for each)
.an Days
"omplele reverse s de and T.er toi5:!si ner,-;-
rborne Credits
Note; Soeciai ::'ov.S'Ons cleans ac not .ipply lo AirDOrne
GeophysicalDays per
Claim
- Llectrom.ignetic
- Magnetometer
- Other
Geological
Geochemica
Geophysical Days per - Claim
- Electromagnetic i
- Magnetometer
- Other
Geo igical
Geochemical
i
Days per Claim
Elec: omagnelic 40
Magt'etometi?r
Other
Vm"otal miles flown over claim(s).
7 ^^/Jf \
40
650 (approxcoideP'HolcUy or Agent (Signature)
',-rtifica/ion Verifying Report of Work
Mining Claim
Prefix Number
See Attachei
Mining Claim
Prefix
1 List
Number
——— R^/^4ncv^i
A DD O
Mining Claim
Prefix
CO
3D
—— 1— *-PO
g
C5
•iij?r"•|VE-IV L—
Number
-r-
r~ ^JT r r?
- LT ^ H: ——
P"
APK 6 y 1331 J
MiiMiiMR i AMn.c; shhnnMTotal number of mining claims covered by this report of work.
326 -
h ereby certily rha: l have a personal ,md intimate knowledge of the facts set forth in this Report of Work, having performed the work or witnessed same during and/or ter its completion and annexed repor- is true
;ame anc Address o! Person Certifying
Peter Diorio, BHP-Utah Mines Ltd. 25 Adelaide St. E... Suite 900. Toronto. Ontario M5C 1Y2Telephone No(416) 368-3884
DateApril 11, 1991
flnature)
Received Stamp
or Office Use Only
GEOCHEMICAL SURVEY - PROCEDURE RECORD
Num
bers
of c
laim
s fr
om w
hich
sam
ples
take
n.
Ont
ario
Min
istry
of N
atur
al R
esou
rces
GE
OP
HY
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AL
- G
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GIC
AL
- G
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L
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TO
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ED
AS
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OR
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MU
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TA
IN I
NT
ER
PR
ET
AT
ION
, CO
NC
LU
SIO
NS
ET
C.
Tota
l Num
ber
of S
ampl
es.
Type
of S
ampl
e.(N
atur
c of
Mat
eria
l)
Ave
rage
Sam
ple
Wei
ght-
^^—
^^^
Met
hod
of C
ollec
tion—
——
——
——
——
Soil
Hor
izon
Sam
pled
. H
oriz
on D
evel
opm
ent-
Sam
ple
Depth
——
——
—
Terra
in——
——
——
——
—
Dra
inag
e De
velop
ment—
——
——
——
——
——
—
Estim
ated
Ran
ge o
f Ove
rbur
den
Thic
knes
s.
Gen
eral
,
AN
AL
YT
ICA
L M
ET
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DS
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,
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lytic
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etho
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gent
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ed—
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tory
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lysi
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——
——
——
——
—
SAM
PLE
PREP
ARA
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ash
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Mes
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fra
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or a
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——
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Type
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irbo
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l EM
Township or Area Ka
shis
boe
L. G2663. Whitebirch L
. G152
Clai
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h Mines
Ltd.
. 25
Ad
elai
de St
. Ea
st
Suit
e 900, Toronto. On
tari
o M5C
1Y2
Surv
ey Com
pany
Que
stor
Surveys____________________
Author of Re
port
Rog
er W
atson/T. MacConnell^^^—-^———
Address of
Aut
hor Qu
esto
r Su
rvey
s, 20
0 Grand
River
Avenue
Brantford, Ontario"
Covering Dates of Su
rvey
Oc
tobe
r 9, 19
90-
May
24 r
1991____
(lin
ecut
ting
to
offi
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Tota
l Mile
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ut
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SPEC
IAL
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ION
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TED
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R 4
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ys (
incl
udes
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e cu
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) fo
r fir
st
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ey.
ENTE
R 2
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ys f
or e
ach
addi
tiona
l sur
vey
usin
g sa
me
grid
.
Geo
phys
ical
—El
ectro
mag
netic
.—
Mag
neto
met
er.--
—Ra
diom
etric
——
—Ot
her—
——
——
—
DA
YS
per
clai
m
Geo
logi
cal.
Geo
chem
ical
.
AIR
BO
RN
E C
RE
DIT
S
(Spe
cial
pro
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pply
to
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veys
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neto
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tic
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Rad
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____
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HA
TR-
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23.
19
91
SIG
NA
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utho
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ualif
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us S
urve
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Ty
peD
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m H
olde
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MIN
ING
CL
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S T
RA
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Lis
t nu
mer
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ly
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ber)
i
TOTA
L rr
ATM
S 32
6
837
(5/7
9)
INDUCED POLARIZATION RESISTIVITY GRAVITY ELECTROMAGNETIC
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SELF POTENTIALTnstriimpnt
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TOMMYHOW PROPERTY CLAIMS-MARCH 1991
TB 1097583TB 1122700-TB 1122701TB 1122702TB 1122703TB 1122704TB 1122705TB 1122706TB 1122707TB 1122708TB 1122709TB 1122710TB 1122711-TB 1122712TB 1122713TB 1122714TB 1122715TB 1122716TB 1122717TB 1122718TB 1122719TB 1122720TB 1122721TB 1122722TB 1122723TB 1122724TB 1122725TB 1122726TB 1122727TB 1122728TB 1122729TB 1122730TB 1122731TB 1122732TB 1122733TB 1122734TB 1122735TB 1122736TB 1122737TB 1122738TB 1122739TB 1122740TB 1122741TB 1122742TB 1122743TB 1122744TB 1122745TB 1122746TB 1122747TB 1122748
TB 1122749^TB 1124055-TB 1124056 -TB 1124057'TB 1124075TB 1124076-TB 1124077TB 1124078TB 1124079'TB 1124080'TB 1124081TB 1124082TB 1124083-TB 1124084TB 1124085-TB 1124086-TB 1124087TB 1124088TB 1124089TB 1124090TB 1124091TB 1124092TB 1124093TB 1124094TB 1124095TB 1124096TB 1124097;TB 1124098TB 1124099TB 1124100^TB 1124381TB 1124382TB 1124383TB 1124384TB 1124385TB 1124386TB 1124387TB 1124388TB 1124389TB 1124390TB 1124391TB 1124392TB 1124406TB 1124407TB 1124408TB 1124409TB 1124410TB 1124411TB 1124412TB 1124413
TB 1124414-TB 1124415-TB 1124416 'TB 1124417TB 1124418-TB 1124419TB 1124420 'TB 1124421,TB 1145715'''TB 1145716-TB 1145717 'TB 1145718-TB 1145719-TB 1145720-TB 1145721'TB 1145722TB 1145723 'TB 1145724'TB 1145725TB 1145726TB 1145727TB 1145728TB 1145729TB 1145730TB 1145731 'TB 1145732TB 1145733TB 1145734TB 1145743''TB 1145744TB 1145745TB 1145746 'TB 1145747TB 1145748TB 1145749TB 1145750TB 1145751-TB 1145752 'TB 1145753 -TB 1145754TB 1145755TB 1145756-TB 1145757TB 1145758,TB 1154287"TB 1154288'TB 1154289-TB 1154290TB 1154291'TB 1154292'
TB 1154293- TB 1154294' TB 1154295' TB 1154296 TB 1154297' TB 1154298- TB 1154299- TB 1154300' TB 115670f- TB 1156702' TB 1156703- TB 1156704- TB 1156705 TB 1156706 TB 1156707- TB 1156708 TB 1156709 TB 1156710 TB 1156711 TB 1156712 TB 1156713 TB 1156714 TB 1156715 TB 1156716 TB 1156717 TB 1156718 TB 1156719 TB 1156720 TB 1156721 TB 1156722 TB 1156723 TB 1156724' TB 1156725 TB 1156726 TB 1156727 TB 1156728 TB 1156729 TB 1156730 TB 1156731- TB 1156732 TB 1156733 TB 1156734' TB 1156735 TB 1156736 TB 1156737 TB 1156738 TB 1156739 TB 1156740 TB 1156741 TB 1156742
TB 1156743 ' TB 1156744 ' TB 1156745 - TB 1156746 TB 1156747 TB 1156748 - TB 1156749' TB 1156750- TB 1156751 TB 1156752 ' TB 1156753 TB 1156754- TB 1156755 TB 1156756 - TB 1156757 TB 1156758 ' TB 1156759 TB 1156760 ' TB 1156761- TB 1156762- TB 1156763 TB 1156764 ' TB 1156765 TB 1156766 ' TB 1156767- TB 1156768- TB 1156769' TB 1156770 TB 1156771- TB 1156772 TB 1156773 TB 1156774- TB 1156775 TB 1156776-0 TB 1156777^ TB 1156778C- TB 1156779^ TB 115678QTO TB 1156781 TB 1156782 TB 1156783 TB 1156784 TB 1156785 TB 1156786 TB 1156787 TB 1156788 TB 1156789 TB 1156790 TB 1156791 TB 1156792
Page l of 2
TOMMYHOW PROPERTY CLAIMS-MARCH 1991
TBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTB
11567931156794115679511567961156797115679811567991156800115680111568021156803115680411568051156806115680711568081156809115681011568111156812115681311568141156815115681611568171156818115681911568201156821
TBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTB
11568221156823115682411568251156826115682711568281156829115683011568311156832115683311568341156835115683611568371156838115683911568401156841115684211568431156844115684511568461156847115684811568491156850
TBTBTBTBTBTBTBTBTBTBTBTBTBTB•TBTBTBTB
TOTAL
11568511156852'1156853115685411568551156862115686311568641156865115686611568671156868115686911568701156871115687711568781156879
-326 CLAIMS
to
C.i
en r-o
Page 2 of 2
90000' B9045'
49*45'-
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57'56 53 52 50 49 48' 47 46 89 045'
a MI43 WHITEBIRCH LAKE 200
se 4978^*4
••VIIU
HIGHWAY AND ROUTE No OTHER ROADS TRAILS
SURVEYED LINES.TOWNSHIPS. BASE LINES. ETC.LOTS. MINING CLAIMS. PARCELS. ETC
UNSURVEYED LINESLOT LINESPARCEL BOUNDARYMINING CLAIMS ETC.
RAILWAY AND RIGHT OF WAY UTILITY LINES
NOW PERENNIAL STREAM
FLOODING OR FLOODING RIGHTS ' SUBDIVISION OR COMPOSITE PLAN RESERVATIONS ORIGINAL SHORELINE MARSH OR MUSKEG MINES TRAVERSE MONUMENT
DISPOSITION OF CROWN LANDS
TYPE OF DOCUMENT
PATENT. SURFACE A MINING RIGHTS^—..-.. " . SURFACE RIGHTS ONL>.......^^—.
. MINING RIGHTS ONLY ______U.^.LEASE. SURFACE ft MINING RIGHTS_____'..^
- . SURFACE RIGHTS ONLY____.^^^.
SYMBOL
__ m— e^ Q
" . MINING RIGHTS ONLY______.1 LICENCE OF OCCUPATION - ORDER-IN-COUNCIL ____-,. RESERVATION ______._. CANCELLED —^—^..^ SAND Si GRAVEL ^^..^...^
BBT
oc
TOMOTE: MINING MIGHTS IN FAHCELS1*13 vtrreo IN ORIGINALLANDS ACT. ft -S O 1*7D. CHAP 3*0. SEC U. SUKSEC1*13 VESTED IN ORIGINAL PATENTEE *V THI Pu*L.tf '
R E F E R E JNI C E S^— ,- —. - —--.-.- -- --AREAS WITHDRAWN FROM DISPOSITION
M.R.O. - MINING RIGHTS ONLY
S.R.O.-SURFACE RIGHTS ONLY
M.+S.-MINING AND SURF ACE RIGHTS
Haul union Ordat No D*U Dmxxition Frt*
Ra-Fled Orty TCO .
THE INFORMATION THAT c- APPEARS ON THIS MAP c. HAS BEEN COMPILED FROM VARIOUS SOURCES. AND ACCURACY IS NOT GUARANTEED. THOSE WISHING TO STAKE MIN ING CLAIMS SHOULD CON- . '; SULT WITH THE MINING RECORDER, MINISTRY OF NORTHERN DEVELOP MENT AND MINES. FOR AD DITIONAL INFORMATION ON THE STATUS OF THE LANDS SHOWN HEREON.
SCALE: 1 INCH* 40 CHAINS
^ *i * ,t
f t erO 1000 7000
O JOO IOOO II KM)
2OOO
AREA KASHISHIBOG LAKE-
MN. R. ADMINISTRATIVE DISTRICT*
THUNDER BAYMINING DIVISION
THUNDER BAYLAND TITLES/ REGISTRY DIVISION
THUNDER BAYMinistryof LandNatural ManagementResources Branch
Ontario
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\ \: :\ \
S2HMNWiee4 g. 14143 WHITEBIRCH LAKE S703HCCO
S t..- CP l 5 h us
JL'I'.TJ
890BO' B90 49' 890 48' 89047' 89* 89*45'
o8
LO
R] ffi
o
i ffi
o o o in w in in
CVIffi
8o(VI M
ffi
cu in m
o8o
TOMMYHOW LAKL
236000 897000 298000 299000 300000 301000 302000 303000
MRCRRFTC-GORG SHORTS SKYVRN
ELECTRQMROCTIC SYSTEMOUESTEM Tim* Oomoin Elwtromogrtetlc System
PULSE WIDTH 2 O msec REPETITION RRTE 180 pulses/sec
RECEIVER COIL Horizontal Rxl* NUMBER OF CHANNELS 18
ORTR HCOUSmON PICOORS P1000 OIGITRL RCQUISITION
RMS GR93 RNRLOCUE RECORDER GEOCRM 35mm CRMERR. INTERVRLOMETER RNO FCUCIRL SYSTEM
FUGHT LtC SPflONC TRRVERSE LINES ISO mtlret
TIE LINES 4 only FUCHT UNE fJRECTON
TRRVERSE LINES 160 - 340 degree* TIE LINES 070 - 250 degree*
SURVEY HEIGHT128 m*tr** - MERN TERRAIN CLERRRNCE
NRVGRTON RND FUGHT PRTH RECOVERYU*lng TRMBLE TRNS navigation *u*tem
2.14143-
TOMMYHQW LRKE RIRBORNE GEDPHY5ICRL SURVEY
BHP - UTRH MINES LIMITED
EM RNQMRLY MRP TDTRL FIELD MRGNETIC CONTOUR MRP
Surv.g*d and compiled bg QUCSTOR SURVEYS LIMITED October 139O - March
Job No 9OO74
Cultural Response
Rnomalu Lsttsr
PoorluDefinedResponse
Hpporent Conductivity Width l Siemens T
Channel 4 Hmplitude l ppm )
S?H14NWiea4 f 1 4113 WHITEBIRCH LAKI 280
ReeociotedMagneticResponse
IBS
INPUT PERK RESPONSE SYMBOLS
SURFICIRL DP-DIP BEDROCK
•jfc: ^1^- f: l chonnel
•ty ^ 4fy- 2 channel
•^ ^- ^- 3 channel
^ - -fy 4 channel
^ ^- ^ B channel
•^- ^- -^- 6 channel-1 x
7 channel
B channel
9 channel
10 channel
11 channel
12 channel
INTERPRETATION
Conductor Aki* (good doflnaon)
Conductor Am (poor drtniton)
V*r0eal Conductor
Conductor Dip(magnitude and direjcaon known)
Conductor Dip (dtocton known)
SHEET l of 2 LOCRTION DIRGRRM
296SOO 303600 311600
6630000
l
(with rvtorenc* numoex)
Surna*! Conducav* Zone
6620000
6631000
6681000
886600 303600 311600
GMO NORTH
TRUE MOUTH
MAGNETIC NORTH
North point retdttonenlos ore ehoMn fer the centre ef the moe Magnetic north le true fer 1880
CmO/MKNCTC HNCLE '4*3*9*CMC) CONVERCOCt 2*7^8.2S*8CCUUW VRMRTION 0*?18" Nest
4- 4- 4 4
44
4444
200Scale l 10 000
200 400 600 800 1000 •B metre*
(60m) ot Conoucor (m UNIVERSHL TRflNSVERSE MERCflTDR MflP GRID
89*44' 89043( 89040' 89039' 89038'
mlO
OJ
w in
ino O)
Omom
304000 305000 306000 307000 308000 309000
MRCRRFTC-CORC SHORTS SKYVRN
CLErnnMRCNrnc SYSTEMOUESTEM Tim* Oomoln Electromagnetic Sg.tom
PULSE WIDTH 2 O ine.c REPETITION RATE ISO putem/MC
RECEIVER COIL Horizontal flxl* NUMBER OF CHANNELS 12
ORTfl RcausrnoNPICOORS P1000 DIGITAL ACQUISITION
RMS CR33 ANALOGUE RECORDER CEOCHM 35mm CAMERA, INTERVALOMETER RNO riOUCIHL SYSTEM
FLIGHT LAC SPHONG TRAVERSE LMES ISO rn.tr*.
Tt LMES 4 only FUGHT UNE HRECTION
TRAVERSE LINES 160 - 340 dogr*m TIE LINES 070 - 2SO d.gr..o
SURVEY HEGHT122 rn.tr.* - MEAN TERRAIN CLEARRNCE
NHVCRTKM RND FUGHT PHTH RECOVERYU.lng TRMBLE TANS navigation tg.twn
2914143EM HNDMRLY MRP
TQTRL FIELD MRGNETIC CONTOUR
TDMMYHOW LHKE flIRBQRNE GEDPHYSICRL SURVEY
BHP - UTRH MINES LIMITED
INPUT PERK
SURFICIRL UP-DIP
Surv*u*d and compllvd bg QUESTOR SURVEYS October 199O - March 1991
Job No 90074
Cultural Reeponee
flnomolu Letter
PoorlyDefinedReeponee
213
fipparonl Conductivity Width l Blemene J
Channel 4 Amplitude ( ppm )
290 V^ReeociotedMagneticReeponee
1654
SYMBOLS
BEDROCK
^ l channel
-^- 2 channel
-^- 3 c hannel
-0- 4 channel
-^- 5 channel
^- 6 channel
7 channel
8 channel
9 channel
10 channel
11 channel
12 channel
INTERPRETATION
Condueor An* (good driMon)
Conductor Am (peer
VwteJ Conductor
Conductor Op(mejgnHid* md Jhecoun IOJMWII)
A4e
310000 311000
SHEET 2 of 2 LDCHTION DIRGRRM
aeeeoo aoaeoo aiisoo
6690000
Conductor Dip (
-r "T 6680000
6681000
seaiooo
Surfa- Condue*. Zoo. 296600 308600 311600
TRUE NORTH
MRCNCTC NORTH
North point retatkmeMpo oro eho*m for the oontre of the mop Magnetic north le tru* fer 1880
GRD/MHCNCTIC ANCLE '4*VO*GRD CONVERGENCE 2*2*52 77*8ECULHR VHRIHTION 0*2*17* Meet per
WVX F*u*Zbne
(60m) Dee* o* Conductor (in m****)
Scale 1 - 10 000
200 O^^^^200_____400_____600_____BOO
UNIVERSAL TRANSVERSE MERCflTOR MRP GRID
1000 •B m.tr.i
89 0 SO' 89 0 49' B9 U 4H' 89 0 47' 89 0 4B'
o oo01 (XI LO LO
OooCD CVI LO LO
O O Ot~~ OJ LO LO
O OoLO CXJ LO LO
O O O LO 01 LO LO
O O O••r(M LO LO
O O OmCVJ LO LO
o o o1X1aiLO LO
o o o1-+01 LO LO
o o o oCVJ LO LO
KASHISHIBOG l AKL
*v
. T1240/8
W'' Nl ;^x:^l os ' -'^ \
TOMMYHOW l AKL
CD LO
en-"T
mLO
oLO
enT
enT
OD
oen
29E.OOO P17000 ,"J8000 r"HHOOO iOOOOO 301000 303000
INTERPRETATION
fllRCRHFTC-GDRG SHOR l S bKYVHN
ELECTROMHGNE TIL' SYSTEMQUESTEM Time Uomain Lleclromagnetn System
PULSE WIDTH ^ O msec REPETITION RRTE Iflo pulses/sec
RECEIVER COIL Horizontal Hxie NUMBER OF PHRNNELS \ S
DflTR RCOUISITIUN PICOORS P100Q tllRITRI FtrQIHSlllUN
RMS GR33 HNHLOGOE RECORDER GEOCflM 35mm CHMEHH. INTERVHLOML ILK HMD FIDULIHL SYbtLM
FLIGHT LINL SPHCINC TRHVEHbE LINES IbO metres
TIE LINES ? per bluuk FLIGHT LINE DIRECTION
TRRVERSE LINES 070 - 250 dagrees TIE l INES 1BO 340 degrees
SURVEY HEIGHT12? metres - MERN TERRRIN CI.EHHHNCE
NRVIGflTION RND FLIGHT PRTH RECOVERYUeing TRIMBLE TRNS nuviyritmn system
2 . M 1434
TOMMYHOW LRKE RIRBORNE GEQPHY5ICRL SURVEY
BHP - UTRH MINES LIMITEDunil i uniplleu by UUULjfUf* L,Uf*Vt-Y', l IMI l H l
l Ir tnhet 1'1'JO Mm i h Kill lulj No HDIJ/M
OI 11-IN* l 004 f M 14J WHITIHIRUI LAKC300
EM HNDMHLY MRP TOTRL FIELD MRGNETIC CONTOUR MRP
b Nanulesla Cnntnur Interval
PulturdlHHh|)llllhH
Hnoinullj Letter
Poorly DHfinHrtHHh|llll)hH
Rnhnrnitnr]
'DI ri l IK lil M M IN 1..L '.YMRDI c.
llppui urit LonductivitL. Width [ siemene T
ChuiiMul 4 Hmplitude l ppm )
SURFiriRl
*
*
*
^
^
*
*1
np-n
)K^4-444
i
HtnunrK
444
#*4)
l channel
d c hunnul
3 channel
4 channel
5 i huiinul
B L.hannnl
l c hunnul
H i hminiil
9 chonnol
10 channel
11 uhunnul
Id c liaiuibl
60'
A4C
•~i t
Conductor Axis (good definition)
Conductor Axis (poor deimiDon)
Vertical Conductor
Conductor Dip(magnitude and direction known)
Conductor Dip (direction known)
Sheered Zone(with referenca numoer)
Surhcial Conductive Zone
Fault Zone
(60m) Depth a t Conductor (in metres)
LLOlllllN DinCRflM303bOO
o oCOm m m in
inL/)
295600
ID O) O O
303500
GRID NORTH
TRUE NORTH
MRGNETIC NORTH
North point relationship* or* ahonn for th* ccntr* of th* map Magnetic north l* tru* for 1990
(-.RID/MHGNLTIC flNGLE GRID CONVERGENCE SECULHR VHRIRTION
-402'57' 2"7'55 28'
p*r u.or
200
Scale l 10 000
O ______r?00 400______600 __ 800
UNIVERGRL TRRNSVERfiE MERHRTOR MRP GRID
1000metres