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WYOMING FUEL COMPANY <br />GENERALIZED STFiATIGRAPHIC COLUMN <br />of the <br />NORTH PARK AREA <br />SYSTEM FORMATION CHARACTER THICKNESS <br /> Od ALLUVIUM 0~-30~ <br /> Od DUNE SANG 0' -50' <br /> Olc LANDSLIDE, COLLUVIUM VARIABLE <br />QUATERNARY - -_. . _.__. .. - .-. -_ _.. --- . <br /> Ot TERRACE GRAVEL VARIABLE <br /> Oot OLDER TERRACE GRAVEL VARIABLE <br /> Om GLACIAL MATERIAL VARIABLE <br /> <br />Tnp NORTH PARK SHALE, SANDSTONE, VOLCANIC ASH, <br />600 <br /> FORMATION TUTF AND CONGLOMERATE <br /> -UNCONFORMITY- <br />TERT 14RY --.....----- -- --_ ..._ <br /> GLOMERATE, SHALE <br />14~0~-6000 <br />Tca F <br />A <br />~ <br />D <br />E <br /> - <br />ORM <br />ON <br />ANO <br />COAL <br />BEDS <br />L <br /> -UNCONFORMITY- <br /> <br />Kpss UPPER SANDY MEMBER <br />2200 <br /> PIERRE INTERBEDDED SANDSTONE, MUDSTONE ~ SHALE <br /> SHALE SHALEY MEMBER <br />' <br /> Kpsh DK.GRAY FOSSILIFEROUS MARINE SHALE 2200 <br />UPPER <br />Kn NIOBRARA CALCAREOUS GRAY AND DARK SHALE; <br />600 <br />CRETACEOUS FORMATION TH{N BEDS OF LIMESTONE <br /> Kb BENTON <br />SHALE SHALE AND SANDSTONE 165 <br /> Kd DAKOTA <br />SANDSTONE SANDSTONE, CONGLOMERATE, SHALE() 300 <br /> <br />JURASSIC <br />~'^ MORRISON JNAROON GREENISH, AND DOVE-COLORED <br />MARL A~JD SHALE W/SOME INTERBEDDED <br />260 <br /> FORMATION LIMESTONE 4ND SAf~OSTONE BEDS <br /> <br />TRIASSIC <br />~c CHUGWATER <br />FORMATION BRICK-RED SANDSTONE t1ND SHALE, WITH <br />SOME INTERBEDDED CLAY AND LIME- <br />1350 <br /> STONE BEDS <br />PRECAMBRIAN pEg GRANITE, GNEISS, 4N0 SCHIST <br />FIGURE 2 <br />(from Vol. I of the permit application) <br />_22_ <br />