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<br /> <br /> <br />WYOMING FUEL COMPANY <br />GENERALIZED STf;ATIGRAPHIC COLUMN <br />of the <br />NORTH PARK AREA , <br />SYSTEM FORMATION CHARACTER THICKNESS <br /> Oa ALLUVIUM 0~-30~ <br /> Od DUNE SAND 0 -50~ <br /> Qlc LANOSIIDE, COLLUVIUM VARIABLE <br />QUATERNARY --- - - - --- - <br /> Ot TERRACE GRAVEL VARIABLE <br /> Qot OLDER TERRACE GRAVEL VARIABLE <br /> Om GLACIAL MATERIAL VARIABLE <br /> NORTH PARK SHALE, SANDSTONE, VOLCANIC ASH, <br />Tnp <br />600 <br /> FORMATION TUTF AND CONGLOMERATE <br /> -UNCONFORMITY- <br />TERT 14RY' -- - - - - <br /> GLOMERATE, SHALE <br />14000 -6000 <br />Tco I <br />O <br />~ <br />D <br />E <br /> - <br />FORMAT <br />ON <br />4ND <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 /> Kp;h DK.GRAY FOSSILIFEROUS MARINE SHALE 2200 <br />UPPER <br />Kn NIOBRARA CALCAREOUS GRAY AND DARK SHALE', <br />800 <br />CRETACEOUS FORMATION THIN BEDS OF LIMESTONE <br /> Kb BENTON <br />SHALE SHALE AND SANDSTONE 165 <br /> Kd DAKOTA <br />SANDSTONE SANDSTONE, CONGLOMERATE,SHALE(~) 300 <br /> <br />J <br />R MORRISON MAROON r,REENISH, AP~1D DOVE-COLORED <br />~ <br />2 <br />0 <br />U <br />ASSIC Jm FORIdATION MARL A <br />VD SHnLE W/SOME INTERBEDDED <br />N 5 <br /> LIMESTONE APJD SA <br />DSTONE BEDS <br /> CHUG WATER ET <br />D A <br />g <br />' <br />E <br />H <br />N <br />TRIASSIC 1;c <br />FORMATION CLAY <br />ND <br />OME IN <br />ERB <br />EDDED <br />LIME 1350 <br /> STONE BEDS <br />PRECAtw1ARIAN pCg GRANITE, GNEISS, AND SCHIST <br />FIGURE 2 <br />-3- <br />