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Illinois Geologic Quadrangle MapIGQ Bandana-G
IGQ Bandana-G
Base map compiled by Illinois State Geological Survey from digital data provided by the United States Geological Survey. Topography of Illinois area by photogrammetric methods from aerial photographs taken 1965. Revised from aerial photographs taken 1978. Map edited 1982.
North American Datum of 1983 (NAD 83)Projection: Transverse Mercator10,000-foot ticks: Illinois State Plane Coordinate system, east and west zones zone (Transverse Mercator)1,000-meter ticks: Universal Transverse Mercator grid system, zone 16
Recommended citation:Nelson, W.J., 2007, Geology of Bandana Quadrangle, Pulaski and Massac Counties,
Illinois: Illinois State Geological Survey, Illinois Geologic Quadrangle Map, IGQ Bandana-G, 1:24,000, report, 8 p.
Geology based on field work and data analysis by J. Nelson and J. Hintz, 1999–2000.
Digital cartography by J. Domier, D. Byers, J. Magnotta, M. Bentley, and S. Geegan, Illinois State Geological Survey.
The Illinois State Geological Survey, the Illinois Department of Natural Resources, and the State of Illinois make no guarantee, expressed or implied, regarding the correctness of the interpretations presented in this document and accept no liability for the consequences of decisions made by others on the basis of the information presented here. The geologic interpretations are based on data that may vary with respect to accuracy of geographic location, the type and quantity of data available at each location, and the scientific and technical qualifications of the data sources. Maps or cross sections in this document are not meant to be enlarged.
GEOLOGY OF BANDANA QUADRANGLEPULASKI AND MASSAC COUNTIES, ILLINOIS
W. John Nelson2007
1°
APPROXIMATE MEANDECLINATION, 2007
MA
GN
ET
IC N
OR
TH
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UE
NO
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H
ADJOINING QUADRANGLES1 Cypress2 Karnak3 Mermet4 Olmsted5 Joppa6 Barlow7 La Center8 Heath
ROAD CLASSIFICATION
Primary highway,hard surface
Secondary highway,hard surface
Light-duty road, hard orimproved surface
Unimproved road
State Route
Illinois Department of Natural ResourcesILLINOIS STATE GEOLOGICAL SURVEY
William W. Shilts, Chief
For more information contact:Illinois State Geological Survey 615 East Peabody Drive Champaign, Illinois 61820-6964 (217) 244-2414 http://www.isgs.uiuc.edu
BASE MAP CONTOUR INTERVAL 10 FEET
SUPPLEMENTARY CONTOUR INTERVAL 5 FEET
NATIONAL GEODETIC VERTICAL DATUM OF 1929
Released by the authority of the State of Illinois: 2007
7000 FEET1000 10000 2000 3000 4000 5000 6000
.5 1 KILOMETER1 0
SCALE 1:24,0001/ 21 0 1 MILE
1 2 3
4 5
6 7 8
Note: Quaternary loess deposits comprising the Peoria, Roxana, and Loveland Silts cover nearly all upland areas to depths as great as 40 feet. These units are not shown on the geologic map.
QTm Mounds Gravel
Qm Metropolis Formation
QceCahokia and EqualityFormations
Qc Cahokia Formation
Msm Salem Limestone
KmpMcNairy and Post CreekFormations
Unconformity
Unconformity
Pleistocene
Pliocene and Miocene
Holocene
Upper Cretaceous
ValmeyeranMississippian
Cretaceous
Tertiary
Quaternary
EXPLANATION
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45
Symbols
Horizontal bedding
Strike and dip of bedding; number indicates degree of dip
Vertical joints or fractures
Outcrop of special note, shown where unitor contact was well exposed during mapping
Active pit or quarry
Abandoned pit or quarry
Drill Holesfrom which subsurface data were obtained
Stratigraphic boring
Water well
Engineering boring
Numeric label indicates total depth of boring in feet.Dot indicates location accurate within 100 feet.
Line Symbols dashed where inferred, dotted where concealed
Contact
Normal fault; bar and ball on downthrown side
Line of seismic reflection profile
Line of cross section
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Enlarged area, Figure 2
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Post CreekCentral
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