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Home , Cave Run Lake, Geology of Kentucky, Jackson Purchase, Lake Barkley, Lake Beshear

GEOLOGICAL SURVEY MAP AND CHART 26 James C. Cobb, State Geologist and Director Series XII, 2001 UNIVERSITY OF KENTUCKY, LEXINGTON

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Newport sg COVINGTON

275 sg s 471 39° 39° sg sg sg Licking Burlington 275 MINERAL AND FUEL RESOURCES MAP OF KENTUCKY s sg 71 Alexandria s Warren H. Anderson and Garland R. Dever Jr. c OHIO s 75 KENTON BOONE CAMPBELL With contributions by Richard A. Smath, Bart Davidson, Brandon C. Nuttall, Gerald A. Weisenfluh, Kx, Pb R * ive ls lime plant Terry Hounshell, William M. Andrews Jr., and John K. Hiett ls Bullock r sg Pen Warsaw ls 2001 71 Lake sg Kincaid GALLATIN Eagle Creek * Lake (abandoned) PENDLETON sg sg Williamstown OHIO sg Boltz Brooksville s RIVE Scale: 1:1,000,000 CARROLL Lake Lake Falmouth s R 1 inch equals approximately 16 miles Carroll- sg Zn BRACKEN Maysville sg ton * * Zn ss d 10 0 10 20 30 40 Miles K GRANT Williamstown* lime Vanceburg e * ls s ss Greenup N n rth Fork plant t N o ts ss ss u Area of narrow out- Zn Fn sg Bedford c Kx, Ba, Zn ss k crops of construction ss GREENUP 10 0 10 20 30 40 50 Kilometers y * TRIMBLE Kx, Zn, Pb along the Mt. Olivet and its MASON Greenbo * Owenton forks ss Ashland ls Lake ROBERTSON Kx, Zn LEWIS Kx, Zn South * Fn Catletts- © 2001 by Kentucky Geological Survey, HENRY OWEN Fn Fn University of Kentucky sg ls Fe ls s burg Kx, Zn, Ba, Pb Kx, Ba, Zn HARRISON ls Fn 71 Fork Flemingsburg River Fn oc7 New Castle Kx, Ba, B sg La Grange Cynthiana F Big d Lic ls FLEMING 64 kin CARTER H(u) Ballardsville (abandoned) NICHOLAS g F, Ba, Fe y Grayson 75 d dol R BOYD 23 * SCOTT ss n ue3 S A i v ls a a

B n OLDHAM e Carlisle iver ss ROWAN S N dol r phosphate ls R d A LOUISVILLE FRANKLIN area sis B ss Fe y WEST I Tar sis R SHELBY i 264 dol, sand Fe v D Guist Creek 64 Grayson e N ls Lake Kx, F BOURBON Fe r VIRGINIA I 64 Shelbyville Georgetown BATH d Morehead Lake Fe R d Frankfort E ls ls Paris IV ls 64 ss kiln e sg Owingsville tl ELLIOTT Western Kentucky Fluorspar R JEFFERSON it Louisa ls 265 Kx, Cu, F Kx, Zn, Fe ss L LAWRENCE District s 65 F, Ba MONTGOMERY Fn ss Fe sis EXPLANATION ls c dol ls Zn, Ba k Po Po SYSTEM Sandy r Union sg LEXINGTON d o B d Hook F Outline of area of known ls NA SPENCER WOODFORD Mt. Sterling Fe 38° 38° fluorspar deposit cement c Lawrenceburg ls 64 CLARK ls plant ea Taylorsville sg Taylorsville Versailles Fn 0 4 8 mi dol Kx, F 4 FAYETTE NA s Structural arch MEADE sg F, Zn d Lake ls Winchester NA Fe OHIO dol River FAU SYSTEM 0 4 8 12 km sg ls Shepherdsville LT Fe Fe 23 Mafic dike or sill Salt Kx, Zn, Cu Fn MORGAN Brandenburg ls Fe a Salt Kx, Zn, Ba s BULLITT ANDERSON i s Tug Fault v Doe Run R * Kx, Fe, F d Frenchburg West Liberty Paintsville d River Muldraugh ls RIVER ls Le tile plant * iv Zn, F, Ba Li Lake JOHNSON er ls MENIFEE ck G Hawesville Ohio s sg d geodal/siderite nodules Parkway ls m ls Ba in Inez TOLU r sg M, Gyp sd Ba Rothwell g Fe s ARCH e sis rass Ba JESSAMINE River e Ba, Zn, Sr Kx, R G * (abandoned) Tar n ls ss ss Ba SYSTEM sg ol Nicholasville * Ba, Red B sand sis Fork SYSTEM li * KENTUCKY R sg sg n F, ek SYSTEM Henderson g T Stanton r re E iv BRECKINRIDGE Blue Ba, Pb, L Rive R Paintsville n R e sg sis * Cc Zn MARTIN e Crittenden Audubon r Bon Harbor and dol MERCER U 75 POWELL ss ls U iv d ss b O dg Flaherty Zn A e ra D FAULT sg y ESTILL ss r ock C Owensboro West F k SYSTEM R G O dg Hardinsburg (proposed) Bardstown Herrington c Pa Salyersville M ts 65 F u rkway o t Kx, Pb, tain FAULT M Parkway B r ls Lake n Fn Moun sis d O HENDERSON ts HARDIN ls k WASHINGTON Harrodsburg e Cu Richmond g C Owensboro ls K Fn Livingston SPRINGS HANCOCK s Campton SYSTEM ss Zn * Kx, Ba MAGOFFIN sis ISR C, O, zinc, NELSON FAULT Prestonsburg FAULT Morganfield ss Kx, Cu, F ls Fe WOLFE HILL SYSTEM calcium, lead, DAVIESS Springfield Kx, F, Ba, Pb Irvine 114 K F * s ss Dixie molybdenum, Grandview MADISON Hickory School Rough M, Gyp, F Elizabeth- Kx, Fe Zn, Pb Ba, Zn, Pb, Mn cobalt, nickel, s Cecilia ls Danville GARRARD CREEK 23 ss FAULT CLAYLIC River town S silver Zn T LEE S, Zn N Le 460 CREEK Lake ts ls IN or FLOYD vi HILL I Zn, ls ls NA Lancaster PA th sa LEVIAS–CRITTENDEN Natcher BOYLE ls geodal/siderite O ROUGH sis Pb MARION – UNION ISR C, O, ss Hodgenville E Berea nodules Fe, Ba, Zn DYERS N sis N Kx, Zn, Ba, F N MOORE I ch ugh M, Gyp olin Kx, Fe, Dix I ls Beattyville M Jackson cobalt, barium, o r Lebanon V i F F L R ive sg R Kx, Cu, Fe Zn, Pb d BREATHITT o R d o Caldwell dg Calhoun ts Cu I l r PIKE L lead T ts Flint Hill River ls Ba d Zn, e r k Pb, F k TABB F I FAUL ts AU s Pond (abandoned) * Stanford Ba Pb S Pikeville LT A Dixon SYSTEM sg o SYSTEM p McLEAN ls River u p ls t F r T Zn, Pb Leitchfield h o Hanson NA ls o 80 x r LARUE Booneville r i a OHIO Zn, Pb Ba Ba m d g Pa ls Kx, Pb, NA k a e r LEXINGTON millerite

te w WEBSTER k ts Zn, Cu a y w ls Lake d

b ter NA McKee a * ls o ss s a Magnolia OWSLEY s Fe u River Hartford y Kx, Cu, Linville n w GRAYSON ROCKCASTLE CRITTENDEN d k Barnsley ay NA Zn, F JACKSON KNOTT ISR, M r a Parkw ts * Pc TAYLOR d r (modified from Trace and Amos, 1984) a copper, y Gr ls ls ss P e Nolin LINCOLN 23 W e Mt. Vernon ss lead, ss n sg nitrates Hindman Marion e Lake sg Campbellsville CASEY d Ba ss PERRY s zinc t Buckhorn 119 e East sg ls ss r River Madisonville Tar sand Fn sis n * Lake sis K Diamond Midland resource area Liberty ss Fork ss ss en HOPKINS sg ky Fe ss ls sis M tu ss uc ts GREEN Green Kx, Ba, F Carr Fork Lake c ent Fn ts k White K BUTLER Canmer River LIVINGSTON y R ts Graham Lake i Hazard * C Kirkwood Plains ve (abandoned) Lake o r sg Greensburg Kx, F * ss a Springs Morgantown Munfordville ls geodal/siderite OHIO ls ss l R iver Wood Creek CLAY F Greenville * ls nodules Zn, Pb, Jenkins ls R Fe ie Western * fluorite Lake LETCHER CALDWELL ld ts Parkway IV Cumberland Luzurne ts G reen nitrates HART Ba e ss ER ss SYSTEM ts 65 n Hyden c ss Fe ls West Greenville PULASKI ls ss oo Whitesburg Smithland St. Charles ss ts Brownsville ls * ls 80 Manchester B Fe Fe FAULT Fe ts Daniel sg McCRACKEN PADUCAH ADAIR ls Fe sis Fn ls EDMONSON LAUREL 24 ISR, O Eddyvillle Center ls London ss sg sg zinc, lead Princeton MUHLENBERG LESLIE R Fn PENNYRILE Columbia BALLARD i. sis FAULT sg dg Fn ls Crofton East ls ls y Rive ss Judges wa Somerset d 37° 37° dg ee r ls Park ss Fe Chapel RUSSELL Laurel River ls Tenne ss ls land ls sis sg ls ber Lake ST sis sis Fn Fe Pb Glasgow ls um d RU Wickliffe sis M, Cu, Ch ls B C Jamestown TH sis Mayfield E a ER C a LYON ts ts rre m V ss reek s Ti CHRISTIAN Bowling n Lake O t Fn Edmonton ss River ls KNOX sg Fk. sis Fe Cc, F ss ts Green Kx, Pb, Zn Cumberland d West ls VIRGINIA Bardwell sg Fe BARREN M, Gyp B Pennyrile WARREN sis TODD ts METCALFE sd ld s Ti Fn r ie Ti Ba, F, Zn, Pb e F Barbourville s c Kx, Gyp Riv l Fork Benton Cadiz nd oa sg Barren River rla C MOUNTAIN Harlan MARSHALL Hopkinsville e Monticello ky Kettle Island CARLISLE Clarks ls Lake b c m tu 75 u n d MISSOURI eek ls ls Russellville e HARLAN Cr Parkway ISR M, 24 F Kx, Gyp anhydrite C ls K ls n WHITLEY Ti F, Gyp ls Elkton Gas-producing r WAYNE d GRAVES e an Pineville ls Burkesville ss t erl c area boundary s Cumb ch 65 ls a River TRIGG r Mayfield M, Gyp Zn Zn E McCREARY Rive ls ss For information on obtaining copies of this map c e M ry s Scottsville Ba, a Williamsburg and other Kentucky Geological Survey maps a LOGAN Franklin d sis HICKMAN h CLINTON n Whitley City c Ti ls Pb, S u BELL and publications call: Obion r River ALLEN Ba, Sr o Canada Clinton u sg F M, Gyp Ba Zn Zn ls b c P SIMPSON CUMBERLAND te Mountain Publication Sales c Albany a PINE CALLOWAY Red MONROE Tompkinsville (proposed) im (859) 257-3896 sg Zn x Kentucky * o r Murray * ss p RIVER Lake Zn p Middlesboro View the KGS World Wide Web site at c c sis A Hickman ISR M, zinc www.uky.edu/kgs sg c c Dale Hollow c FULTON sis Lake MISSISSIPPI c Ti sis TENNE S SEE Cartography by Terry Hounshell

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EXPLANATION Selected References LIMESTONE, SAND and GRAVEL, and CLAY PRODUCTION Minerals and Fuels of Kentucky gas are produced from and rocks. In Greb, S.F, Williams, D.A., and Williamson, A.D., 1992, Geology and stratigraphy 60 of the Western Kentucky Coal Field: Kentucky Geological Survey, ser. 11, LIMESTONE CLAY and eastern Kentucky, oil and natural gas are produced from Amaral, E.J., with contributions by Anderson, W.H., 1994, Sand and gravel MINERAL DEPOSITS The production of minerals and fuels in Kentucky is a resources along the Valley in Boone, Gallatin, and Carroll Counties: Bulletin 2, 77 p. Silurian, , , and rocks. 50 multibillion dollar industry. Historically, coal, oil, natural Kentucky Geological Survey, ser. 11, Report of Investigations 8, 59 p. Hutcheson, D.W., ed., 1974, A symposium on the geology of fluorspar (proceedings Construction limestone New Providence Shale Iron ore gas, limestone, sand and gravel, clay, fluorite, barite, lead, In the past, a variety of ore minerals, including fluorite, Anderson, W.H., with contributions by Price, P., 1991, Mineralization and of the Ninth Forum on Geology of Industrial Minerals): Kentucky Geological sphalerite, galena, and barite, were mined in Kentucky. At Survey, ser. 10, Special Publication 22, 107 p. 40 * Area of Porters Creek Clay iron, phosphate, zinc, and brines have been produced in hydrocarbon emplacement in the Cambrian–Ordovician Mascot Dolomite of Narrow outcrop of construction lime- Abandoned iron mine the time of its peak production during World War II and in the Knox Group in south-central Kentucky: Kentucky Geological Survey, ser. MacFarlan, A.C., 1943, The : Lexington, University of Limestone Fe the state. These resources have greatly influenced the 30 stone; noted on the map by asterisk and Mapped Porters Creek Clay 11, Report of Investigations 4, 31 p. Kentucky, 433 p. leader ( ) the mid-1960’s, the Western Kentucky Fluorspar District Po Abandoned phosphate mine development of Kentucky by providing raw materials for * Anderson, W.H., 1994, Rocks and minerals of Kentucky: Kentucky Geological Million Tons Area of ceramic clay was one of the world’s largest producers of these minerals. McGrain, P., 1956, Recent investigation of silica sands of Kentucky No. 2: 20 Abandoned vein mineral mine the early settlers who settled the state and for current Survey, ser. 11, Special Publication 20, 82 p. Kentucky Geological Survey, ser. 9, Report of Investigations 11, 32 p. Industrial and construction Monroe, Cumberland, and Clinton Counties of the South- Sand and Mapped ceramic clay industrial and economic development. Electrical power for Anderson, W.H., and Barron, L.S., 1995, High-carbonate, low-silica, high-calcium McGrain, P., and Kendall, T.A., 1972, Miscellaneous analyses of Kentucky clays Gravel limestone Fn Abandoned iron furnace Central Kentucky Mineral District are known to have stone in the High Bridge Group (Upper Ordovician), Mason County, north- 10 Olive Hill clay bed homes, businesses, and factories; materials for constructing and for 1960–1970: Kentucky Geological Survey, ser. 10, Report of mineral deposits that contain zinc. The Central Kentucky central Kentucky: Kentucky Geological Survey, ser. 11, Information Circular Investigations 12, 62 p. Clay Narrow outcrop of industrial and con- Fluorite (shown on Western houses, buildings, automobiles, and roads; and products 53, 33 p. 0 Hitchins clay bed Mineral District has produced barite, sphalerite, fluorite, Miller, A.M., 1919, The geology of Kentucky: Kentucky Geological Survey, ser. 1955 1960 1965 1970 1975 1980 1985 1990 1995 struction limestone; occurs along the bluffs Kentucky Fluorspar District we consume in everyday life come from the earth’s mineral Anderson, W.H., Trace, R.D., and McGrain, P., 1982, Barite deposits of Kentucky: of the in central Kentucky, inset map only: no deposits calcite, and galena. Although there is no mining activity 5, Bulletin 2, 392 p. Year Source: U.S. Bureau of Active clay pit and fuel resources. Kentucky Geological Survey, ser. 11, Bulletin 1, 56 p. Mines and U.S. Geological along Pine Mountain Overthrust Fault in shown on main map) in any of the districts at the present time, mining companies Noger, M.C., comp., 1988, Geologic map of Kentucky: U.S. Geological Survey, Survey southeastern Kentucky, and near Kentucky The ability to locate and efficiently use raw materials is Brant, R.A., 1983a, Coal resources of the Princess District, Kentucky: University scale 1:500,000. Lake, Lake Barkley, and the Cumberland Abandoned clay pit continue to explore these areas for economic deposits. Iron of Kentucky Institute for Mining and Minerals Research, Energy Resource River in western Kentucky Mineral occurrence (Ba, Cc, important in virtually all economic activity in the state. Series, 61 p. Nuttall, B.C., comp., 1989, Index to oil and gas fields of Kentucky: Kentucky Clay deposit (common clay) F, Pb, or Zn unless noted The purpose of this 1:1,000,000-scale map is to show the ores and phosphate minerals were mined in Kentucky before Geological Survey, ser. 11, Information Circular 27, 267 p. c–clay noted in core Brant, R.A., 1983b, Coal resources of the Southwestern District, Kentucky: Dolomite otherwise) general locations of the principal mineral and fuel resources higher grade deposits were discovered elsewhere in the Olive, W.W., and Finch, W.I., 1969, Stratigraphic and mineralogic relations and COAL PRODUCTION s–structural clay United States. University of Kentucky Institute for Mining and Minerals Research, Energy 180 M–Mississippian underclay Ba–Barite Pb–Galena in Kentucky. The “Geologic Map of Kentucky” (Noger, Resource Series, 89 p. ceramic properties of clay deposits of Eocene age in the Cc–Calcite Po–Phosphate Region, Kentucky, and in adjacent parts of : U.S. Geological Survey 160 Limestone quarry or underground mine ea–expanded aggregate A variety of minerals classified as clay materials are Brant, R.A., Chesnut, D.R., Frankie, W.T., and Portig, E.R., 1983a, Coal resources Total Coal ls Ch–Chalcopyrite minerals 1988) has additional geologic information about these Bulletin 1282, 35 p. NA–New Albany Shale pit of the Big Sandy District, Kentucky: University of Kentucky Institute for 140 Cu–Copper Sr–Strontium minerals resources. For detailed information about geology and mined in Kentucky, including common clay, ceramic and Dolomite quarry or underground mine uc3–underclay, under Princess Mining and Minerals Research, Energy Resource Series, 47 p. Patterson, S.H., and Hosterman, J.W., 1960, Geology of the clay deposits in the dol F–Fluorite S–Native sulfur ball clays, refractory clay, and shale. These materials are Olive Hill District, Kentucky: Kentucky Geological Survey, ser. 10, Reprint 120 No. 3 coal mineral resources, consult the 7.5-minute geologic Brant, R.A., Chesnut, D.R., Frankie, W.T., and Portig, E.R., 1983b, Coal resources oc7–overclay, over Princess No. Fe–Iron minerals Ti–Titanium minerals used in the manufacture of brick, tile, sanitary ware, china, 5, 23 p. Eastern Gyp–Gypsum U–Uranium quadrangle maps for Kentucky. of the Hazard District, Kentucky: University of Kentucky Institute for Mining 100 7 coal Sable, E.G., and Dever, G.R., Jr., 1990, Mississippian rocks in Kentucky: U.S. Kentucky Mn–Pyrolusite Zn–Sphalerite and pottery, and have been used as industrial absorbents and Minerals Research, Energy Resource Series, 49 p. Coal Field H(u)–Hitchins underground mine Coal occurs in two regions of Kentucky: the Eastern Geological Survey Professional Paper 1503, 125 p. 80 and lightweight aggregate. Brant, R.A., Chesnut, D.R., Frankie, W.T., and Portig, E.R., 1983c, Coal resources SAND and GRAVEL Kentucky Coal Field (a part of the Appalachian Basin) and Million Tons Sand and gravel are mined in Kentucky and are used of the Licking River District, Kentucky: University of Kentucky Institute for Smith, G.E., and Brant, R.A., 1978, Western Kentucky coal resources: University 60 Residual clay Mineral occurrence in core the Western Kentucky Coal Field (a part of the Illinois Mining and Minerals Research, Energy Resource Series, 57 p. of Kentucky Institute for Mining and Minerals Research, Energy Resource Rockcastle Sandstone 40 ISR M ISR–Insoluble residue in Basin). Kentucky has been among the top three coal- extensively as construction materials and aggregate for Series, 148 p. B Brick plant Brant, R.A., Chesnut, D.R., Portig, E.R., and Smath, R.A., 1983, Coal resources Western Kentucky roads and buildings. Common and silica sands have been 20 Quaternary sand and gravel well sample producing states for more than 50 years. Kentucky’s of the Upper Cumberland District, Kentucky: University of Kentucky Institute Trace, R.D., and Amos, D.H., 1984, Stratigraphy and structure of the Sand and gravel Q–Quaternary mined for concrete and glassmaking, respectively. Sands for Mining and Minerals Research, Energy Resource Series, 41 p. Kentucky Fluorspar District: U.S. Geological Survey Professional Paper 1151- M–Mississippian remaining coal resources, estimated at 90 billion short tons, D, 41 p. 0 OIL and GAS bearing titanium minerals are found in the Jackson Purchase Chesnut, D.R., Jr., 1992, Stratigraphic and structural framework of the Carboniferous 1900 1920 1940 1960 1980 2000 Sand and gravel, glacial outwash S–Silurian are also among the largest deposits in the United States. Weisenfluh, G.A., Cobb, J.C., Ferm, J.C., and Ruthven, C.L., 1998, Kentucky’s Year O–Ordovician Region of western Kentucky. Tar sands (asphaltic sandstone) rocks of the central Appalachian Basin in Kentucky: Kentucky Geological Source: Kentucky Geological Alluvium Limestone and dolomite are mined in Kentucky for a Survey, ser. 11, Bulletin 3, 42 p. coal industry: Historical trends and future opportunities: Kentucky Geological Survey Major oil-producing area; C–Cambrian mined in west-central Kentucky have been used as road Survey, ser. 11, Information Circular 59, 9 p. dashed green line is used to Kx–Knox Group variety of products, including construction aggregate, lime, Cobb, J.C., and Dever, G.R., Jr., 1994, Limestone and lime for SO2 and pollutant Active sandstone quarry aggregate and are also a potential source of petroleum. ss continue the outline of oil- cement, and agricultural limestone. Coal-related industries control in the Ohio Valley: Kentucky Geological Survey, ser. 11, Information producing area through areas Circular 49, 5 p. Abandoned sandstone quarry Chemical elements noted in core Geologists at the Kentucky Geological Survey have VALUE ss indicating the presence of other use limestone for controlling acid drainage, mine investigated the mineral and fuel resources of Kentucky Cobb, J.C., and Eble, C.F., 1992, Sulfur in Kentucky coal and the Clean Air Act 300 4.50 OIL and NATURAL GAS PRODUCTION resources Barium Molybdenum reclamation, explosion abatement in underground mines, 30 90 d Abandoned dimension stone quarry Amendments of 1990: Kentucky Geological Survey, ser. 11, Information Coal Major gas-producing area Calcium Nickel and in scrubbers at coal-burning power plants to reduce for more than 150 years, as mandated by Kentucky Revised Circular 38, 14 p. Abandoned millstone quarry Cobalt Silver Statute. Questions concerning the mineral and fuel resources 250 3.75 m sulfur emissions entering the atmosphere. One of the largest Dever, G.R., Jr., 1980, High-carbonate and low-silica stone in the High Bridge 25 75 Copper Zinc Limestone Natural Gas Active sand pit Luzurne Gas-storage field Lead operating limestone quarries in the United States is located of Kentucky should be directed to the Director, Kentucky Group (Middle Ordovician), Fayette County, central Kentucky: Kentucky s 200 Geological Survey, 228 Mining and Mineral Resources Geological Survey, ser. 11, Information Circular 4, 45 p. 3.00 20 60 Active sand and gravel pit in Kentucky. sg Tar sand resource area Kimberlite dikes (in Elliott County) Kentucky has an estimated original petroleum resource Building, University of Kentucky, Lexington, KY 40506- Dever, G.R., Jr., and McGrain, Preston, 1969, High-calcium and low-magnesium Abandoned sand pit limestone resources in the region of the lower Cumberland, Tennessee, and 150 2.25 15 45 s 0107. The Kentucky Geological Survey maintains the Natural Gas ts Tar sand occurrence Zinc deposit of 2.3 billion barrels of mobile oil, 3.4 billion barrels of Ohio Valleys, western Kentucky: Kentucky Geological Survey, ser. 10, Bulletin Oil Oil Active river dredge Zn official State repository of oil and natural gas drilling 5, 192 p.

dg heavy oil, and more than 100 trillion cubic feet of natural (Million Dollars) 100 1.50 10 30 Coal (Billion Dollars)

Dever, G.R., Jr., Robl, T.L., Moody, J.R., Walker, F.H., Ellsworth, G.W., Jr., and Oil (Million Barrels) Abandoned silica sand pit Zinc exploration shaft gas resources. At least 0.75 billion barrels of oil and 4.7 records, the official Ground-Water Data Repository, the sis COAL Zn Kentucky Well Sample and Core Library, and other Barron, L.S., 1993, Low-silica and high-calcium stone in the Newman Limestone Feet) Cubic (Billion Gas

trillion cubic feet of natural gas have been produced in (Mississippian) on Pine Mountain, Letcher County, southeastern Kentucky: Limestone, Natural Gas, and Oil 50 0.75 5 15 s Deposit; s–sand; sis–silica sand; Red dashed line indicates area databases on coal, minerals, geology, maps, and Kentucky Geological Survey, ser. 11, Information Circular 41, 73 p. g–gravel; sg–sand and gravel; of fluorite occurrence Kentucky. In western Kentucky, oil and some natural gas ss–sandstone; ch–chert; Major coal-producing area paleontology. This information is used by thousands of Foerste, A.E., 1913, The phosphate deposits in the upper Trenton of are produced primarily from Mississippian and 0 0 0 0 d–dimension stone; citizens each year. central Kentucky: Kentucky Geological Survey, ser. 4, v. 1, p. 391–439. 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 18801900 1920 1940 1960 1980 2000 Pc–Pennsylvanian conglomerate Coal field boundary Faults Pennsylvanian rocks. In central Kentucky, oil and natural Year Year Source: Kentucky Geological Source: Kentucky Department of Revenue–Severence Tax Division; data on file at Kentucky Geological Survey Survey, U.S. Bureau of Mines, and U.S. Geological Survey