Bedrock Geology of Pittsburg Quadrangle, Williamson and Franklin Counties, Illinois

              Illinois Geologic Quadrangle Map
IGQ Pittsburg-BG
Base map compiled by Illinois State Geological Survey from digital data provided by the United States Geological Survey. Topography by photogrammertric methods from aerial photographs taken 1959. Field checked 1963.
North American Datum of 1927 (NAD 27)
Projection: Transverse Mercator
10,000-foot ticks: Illinois State Plane Coordinate system, east zone (Transverse Mercator)
1,000-meter ticks: Universal Transverse Mercator grid system, zone 16
Recommended citation:
Nelson, W.J., 2007, Bedrock Geology of Pittsburg Quadrangle, Williamson and Franklin Counties, Illinois: Illinois State Geological Survey, Illinois Geologic Quadrangle Map, IGQ Pittsburg-BG, 2 sheets, 1:24,000.
Geology based on field work and data analysis by W.J. Nelson, 2001–2003.
Digital cartography and graphics by J. Domier, S. Geegan, T. Goeppinger, and L. Verhelst, 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.
IGQ Pittsburg-BG Sheet 1 of 2
BEDROCK GEOLOGY OF PITTSBURG QUADRANGLE
WILLIAMSON AND FRANKLIN COUNTIES, ILLINOIS
W. John Nelson
20071 / °12APPROXIMATE MEANDECLINATION, 2007MAGNETIC NORTHTRUE NORTHROAD CLASSIFICATIONPrimary highway,hard surfaceSecondary highway,hard surfaceLight-duty road, hard orimproved surfaceUnimproved road
ADJOINING
QUADRANGLES
1 West Frankfort
2 Thompsonville
3 Akin
4 Johnston City
5 Harco
6 Marion
7 Crab Orchard
8 Carrier Mills
BASE MAP CONTOUR INTERVAL 10 FEET
NATIONAL GEODETIC VERTICAL DATUM OF 1929
For more information contact:Illinois State Geological Survey 615 East Peabody Drive
Champaign, Illinois 61820-6964
(217) 244-2414
http://www.isgs.uiuc.edu12345678
Released by the authority of the State of Illinois: 2007
7000
FEET10001000020003000400050006000.51 KILOMETER10SCALE 1:24,0001/2101 MILE
Illinois Department of Natural Resources
ILLINOIS STATE GEOLOGICAL SURVEY
William W. Shilts, Chief
p
h w&sp&b&csmMissourianShelburn and PatokaFormations undivided w, Womac Coal Member p, Piasa Limestone MemberPennsylvanianBond FormationEXPLANATIONCarbondale Formation h, Herrin Coal MemberDesmoinesianSurface mine·)))425425AA􀀁􀅇GH"e"e"ekCSG*"ehgÄkªo20i*'j9459¾½SymbolsAbandoned drift mineAbandoned shaft mineAbandoned slope mineStrike and dip of bedding; number indicates degree of dip.If no number, symbol indicates direction of dip only.Horizontal beddingVertical jointBedrock outcropDrill Holes from which subsurface data were obtainedStratigraphic boringWater wellCoal boringOil wellDry holeDry hole - show of oilDry hole - show of gasDry hole - show of oil and gasGas wellGas well - show of oilOil well - show of gasOil and gas wellOil well - abandonedNumbers indicate total depth of boring in feet.Boring with samples (S), geophysical log (G), or core (C); Dot indicates location accurate within 100 feet.Line Symbols dashed where inferred, dotted where concealed Contact or coal subcropFault, direction of throw unknownNormal fault: bar and ball on downthrown sideFault, type unknown: ticks on downthrown sideHigh-angle reverse fault: sawteeth on upthrown blockStrike-slip faultElevation of top of Herrin Coal; contour interval 25 feetAnticline observed in outcropLine of cross sectionNote: This is a subcrop map, showing bedrock surface with all Quaternary deposits removed. Geology shown as it was prior to surface mining. Faults are shown where they intersect Herrin Coal.Well and boring records are on file at the ISGS Geological Records Unit and are available from the ISGS Web site.))))))))))))))))))))·············))))))))))))))))))··JNJNJN···················JNJNJNJNJNJNJNJNJNJNJNJNJNJN))))))))))))))))))))))))))))))))))))))))))))))))))))····))))))))))))))))))))))))))))))))))))))))JNJNJN)))))))))))))))))))))))))))))))))·········JNJNJNJNJNJNJNJNJN))))))))))))GHA􀀁􀅁A-125-100200275350275250325350225250275300250-25-15030020025030025020025037520025020022525022522520030022520027527522535037537530037532530035035032532540017512510030015015017515175150150175100175125-75-5032512510025025503757575250200200150125754002254250175275150225400275175-50-25025-7550753253002752503252251755025ªG"kCª'GhGkG'G'G'GkGkGªGªG"kC"kChG'GªG"kC"kCªGªªG"e"kkGªG"e"k"kC"kCªG"kC"k"kCªGªG"kCkGkGkG'GªG"kCkGkG"ekG"eªGkGkGhGhGªG'G'G'GjG'GªG"ehGªG"e"kC"eªGªG"kC"k"kCkGkGkG"kC"kC"kC"kCiGiGªGªGSkG"ekGkGªG"kkGgG*GSªGhG"k"kkG"eªG"ekGkG"kCªG"e"kkG*GªG"kSkG"eªGªGªGª99G'Gª9G9G'GªGªGªªkGkG'GkG'G'G'G'G'G'G'G'G*G*G*G*'GªG"kC"k"kC"kC"k"k"kC"k"kC"kCÜiGkGkG"kC"kCªG*G"kCiG"kCªGkG'GgG'G'G'GhG"kCjGkGkGkGkG"kCªG"kC"k"kCkG'G"kkG*ÜGkG"e"CkG"ekGkG'GªGkGkGhGhGhGªGªGªGkGkGkGkGkGªG'G'G'G'G'G'G'G'G'G'G'G'G'G'GjG"eªGªG'G'GkGkGkGjG'GgGkGgGªhG"ekGkG"eªG"e"e"ekGªG"e"e"k"e"eªG'G"e"e"ekG"kªG"e"eªGªGªGSkGkGkGkG"e"ekGkG"e"eªGiG"e"e"e"e"ee2242481952231281984277431029849527792780507458265547302625261285002689278543745830484022826490437426300572504354343193903053073059449279307560283827502932816225028102259282031073080304231143125312531203032290844531553036302230143120305031503018303330879712912290029102980305530053025296030292915308829031375291929152950313027662740478526784962843393317290428352800273265329282813324828002522745277528412860264428730702745264127572750404128033065527610519500304029030727192772459535522472433500445240242385332968286920752065267227482758231722892317289827202800274326962719319334503485368134853142347234803499349435023504348032502092697325802570255570265289750428172790360297235130962821477100283028292823660025027802944284532327202898265028008901334911142303216917289546548255731253118300537493318631704793100355031343155315531183033314630903136314231605503155534305531605783138316531362952965500295030165104682136Madison Coal Co.Hole #2531275545956047003247321267267232323470320872464431553180311557452229942998299429502889288529053000302328932995552299727303540ooeeoooeooeooÄooÄoe¾¾½½½½½½½½½Á½½2331720504025305504475phhwpppp&sp&sp&csmsmsm&sp&sp&sp&sp&sp&sp&sp&sp&sp&bThompsonvilleoil fieldJohnston CityNortheast oil fieldJohnston CityEast oil fieldPittsburggas fieldCorinth Southgas fieldCorinth oil fieldPittsburg Northoil fieldCrab Orchardgas fieldCOTTAGEGROVEFAULTSYSTEMCorinth Northoil field&sp