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5th April 2013 Company Announcements Platform Australian Securities Exchange
Diamond Drilling Commences at Sorpresa Gold Project Fifield NSW - Parallel RC Drill program also begins
The new programs for Diamond Drilling (approx. 1,300m) and RC Percussion Drilling (approx. 2,500m) have now commenced at the Sorpresa Project, Fifield NSW. This is the first Diamond Drilling program to be conducted at Sorpresa and also the deepest planned drilling to date at the project.
Diamond drilling commenced on schedule 4th April The first hole, Dia4, has commenced drilling, to a notional depth of 150m at Trench 31 Area 3 locations in all have been selected for the diamond drilling program
Trench 31, Boundary Gate (SE) and Roadside locations The total diamond program is notionally 1,300m The core should give structural and geological information, and also provide a view of the mineralization in
greater context
* note this hole is subject to change, as information is gathered on precursor holes
The Next Stage RC Percussion Drilling at Sorpresa has also commenced This includes RC holes ranging 60m~150m depths in step out delineation drilling extensions Locations include Roadside, Boundary Gate and Trench 31 areas Approx. 2,500m in total drilling is planned
See Appendices for all details.
JOHN KAMINSKY Executive Chairman
The information in the report to which this statement is attached that relates to Exploration Results is compiled by Mr Colin Plumridge, who is a Member of The Australian Institute of Mining and Metallurgy, with over 40 years experience in the mineral exploration and mining industry. Mr Plumridge is employed by Plumridge & Associates Pty. Ltd. and is a consulting geologist to the Company. He has sufficient experience, which is relevant to the style of mineralization and type of deposit under consideration and to the activity, which is being undertaken to qualify as Competent Persons as defined in the 2004 edition of the “Australian Code for Reporting of Mineral Resources and Ore reserves”. Mr Plumridge consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.
Diamond Hole Program Sorpresa Project
Planned Diamond Hole North East Depth Dip Azimuth
Dia1 6368733 543105 250 -50 334
Dia2 6368505 543175 300 -60 300
Dia3 6369225 543165 150 -50 180
Dia4 6368266 542483 150 -50 165
Dia5* 6368450 543295 450 -60 270
rimfire pacific mining nl a.c.n. 006 911 744
Exchange Tower Suite 411 530 Little Collins Street Melbourne Victoria Australia. 3000 Telephone 61 3 9620 5866 Facsimile 61 3 9620 5822 e-mail: [email protected] website: www.rimfire.com.au
Dia4 underway at Trench 31 area
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APPENDIX 1
Diamond Drill Hole Locations Sorpresa – Shown on Integrated Gravity Survey
3km
June 2012 - Fi 160
14m @ 21.9g/t Au from 34m
AND
6m @ 94g/t Ag from 34m
Feb 2013 - Fi 275
30m @ 2.39g/t Au from 10m
Oct 2010 – Trench 31
9m @ 4.9g/t Au at 2m
(channel sample)
Oct 2012 - Fi 212
14m @ 24.4g/t Au from 26m
AND
26m @ 155g/t Ag from 14m
Dia 4
Dia 5
Dia 2
Dia 1
Dia 3
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APPENDIX 2
Plan View Drilling Collar Hole Locations at “Roadside” and “Boundary Gate North” - Sorpresa Project
(Recently drilled holes and new planned RC holes (ResDev) are shown)
300m
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Appendix 3
Sorpresa District Geological Concept Model – Syncline Rift Basin in Plan View
(Note that the IP survey chargeable response at approx. 100m depth is overlaid)
Dec 2012 - Fi 221
10m @ 0.67g/t Au from 24m
AND
12m @ 394g/t Ag from 24m
Dec 2012 - Fi 241
10m @ 1.01g/t Au from 70m
AND
10m @ 535g/t Ag from 70m
Boundary Gate North
Feb 2013 - Fi 275
30m @ 2.39g/t Au from 10m
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