Bedrock Geology of Johnston City Quadrangle, Williamson and Franklin Counties, Illinois

              Illinois Geologic Quadrangle Map
IGQ Johnston City-BG
Base map compiled by Illinois State Geological Survey from digital data provided by the United States Geological Survey. Topography by photogrammetric methods from aerial photographs taken 1959. Field checked 1963. Photoinspected 1976; no major changes.
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 Johnston City Quadrangle, Williamson and Frank­lin Counties, Illinois: Illinois State Geological Survey, Illinois Geologic Quadrangle Map, IGQ Johnston City-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, T. Goeppinger, M. Bentley, L. Verhelst, and M. Widener, 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 Johnston City-BG Sheet 1 of 2
BEDROCK GEOLOGY OF JOHNSTON CITY QUADRANGLE
WILLIAMSON AND FRANKLIN COUNTIES, ILLINOIS
W. John Nelson
2007MAGNETIC NORTHAPPROXIMATE MEANDECLINATION, 2007TRUE NORTH / °12ROAD CLASSIFICATIONPrimary highway,hard surfaceSecondary highway,hard surfaceLight-duty road, hard orimproved surfaceUnimproved roadInterstate RouteState Route
ADJOINING
QUADRANGLES
1 Christopher
2 West Frankfort
3 Thompsonville
4 Herrin
5 Pittsburg
6 Crab Orchard Lake
7 Marion
8 Crab Orchard
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
&sp&csmp s h Carbondale Formation h, Herrin Coal Member s, Springfield Coal MemberShelburn and PatokaFormations undivided p, Piasa Limestone MemberEXPLANATIONPennsylvanianDesmoinesianSurface mine·)))425425AA"e"ekCSG*"ehgkª(92620»¿Note: This subcrop map shows the bedrock surface with all Quaternary deposits removed. Geology shown as it was prior to surface mining. Except for the southern edge of the White Ash Fault Zone, faults are shown where they intersect Herrin Coal. Well and boring records are on file at the ISGS Geological Records Unit and are available online from the ISGS Web site.SymbolsDrift mineShaft mineSlope mineDrill Holes From which subsurface data were obtainedWater wellCoal boringOil wellDry holeDry hole - show of oilDry hole - show of oil and gasGas wellGas well - show of oilOil well - abandonedWater injection wellNumeric label indicates 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 All faults are shown where they intersect the Herrin Coal.Contact or bed 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 feetLine of cross sectionppppphhhhsspshshJNJNJNJNJNJNJNJNJNJNJN··JNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJNJN···············)))))))))))))JNJNJNJNJN····················································JNJNJN))))))))))))))))))))····················································)))))))))·······················JN·······))))))))))))))))))))))))))))))))))))))))))················35040037517520042512515025450125250150125375400300175325225275475250-50300-2520012527532517550250-2515020015015050175125225125325275300450175250125275150017535022517575255025100150225200250175751753751501004001754750504251501575200125225100150125125175425375200150225325450225225225100400450425017515050753752001007575-502502252502522510020025350751755025200350350150-50175200175200175150200225-50125752001751501501751501251252001752751503001001255075125100225200150White AshOil FieldWHITE ASH FAULT ZONEEnergy Oil Field325200AA􀀁􀅂BB􀀁􀆿¿»»»»»»»»»»¿»»»»»»»»»¿»»»»»»»»»»¿¿¿¿¿¿¿¿¿¿À¿¿¿¿¿»¿¿¿¿¿¿¿¿»»»¿¿»¿»¿¿»¿¿¿¿»»»»»»¿»»»»¿»¿»»¿¿¿¿¿¿»»¿"e'G'S'G"k"k"kGkGkGkGkGkGkGkGªGSkGkG*"k"kkGªG**kGªªGSªGªGkªG"kC"kCkG"kC"kC"kCkGkGkG'GkG'G"ekG"k"e"e"k"k"e"k"k"k"k"e"k"k"ekG"kªG"ekG'G'GkGkGkG*GgGªG'GkGhG'G'G'G'G'G'G'G'G"e"eªGªG*'G'G'G'G'GkGkG"k"e"eª'G'G'G'ªªG"e*kGªGªGkGS"ekGgG"e"e"k"k"k"k"kkGkGkG'G"e'G'G'G'G'G'G'GkGkGkGkGªGªG"CªGªkGkGkGkGkG'G'G'G'G'G'G'GkGkGSkGkG"eªG*GkGkGkGkG"e"e"e"e"e"e"e"eªG"e"e"e"e"eªGSkGªGkG"k"kkGkGSkGª*ªGªG'G9Gª"eª'GªGªª'G'G'GªGªG'Gª9GªG9G"e"e"k"k"eªkG"eªG"kC"kC*"e"kC"kC"e"eªGkG"kC"kC"kC"kC"kC"kCªG"kC"e"e"e"e"e"e"e"e'G"e"e"e"e"e"ekG"ekGkG'G'GkGkGkGkG'G'GkG'GªG"eªGhGhGhG"e"ekG"eªGkG"e"e"k"e*GªG*G*GkGkG"e"e"e'G8(,GªGª*e479316730002859392511378137272525721904257520102016267269302128265027502552664128144265026002555260015025792525270026512537248252525112700248525392460257323225781061051101084990268216612327713616121427135829326583704022992882912912771277030931431432832836239206221277620527492772226218206202279029553000279628422995323429522813284028072773484329003140420298429504871305330144333202528168918075762702580255026332642429058131902685626711912310611411553254426702692270025562556217257526952777466925552580255727027252756264527952781272627742762264041427372740291427452790275027452702261826842625261747125592495252525841018159101794733761501600441507256024252894244628251613792350235724332396241551354826002447242524262422241524303992200232735238524422500244224302432440247524804414246524682502156615662611254524702475248024804442450116257092135136500625170543914864131792620500252925862531270282232530144925522994296029402723300248030004204432212295425132833228362779276527952745263226842577268225732572742282550250027421333627025382755492645PittsburgGas FieldPITTSBURG ANTICLINECOTTAGE GROVE FAULT SYSTEMJohnston City EastOil FieldStiritz Oil FieldFreeman SpurOil FieldWest Frankfort Consolidated Oil Field&sp&c&c&c&sp&sp&sp&sp&sp&sp&sp&sp&sp&csmsmsmsmsmsmsmsmsmsmsmsmsmsmsm&c