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90U~G CG~L F'RCPERTY <br />S1, SE', sec. 7, hJl~, iJE•, sac. 19, T S 1?, ~ 7c L', Jackson Co., Colc. <br />.Summary <br />In P!orth Park, Colorado about 5,000 faat of silty, nar'_r.e <br />shale and siltstone of the Lata Cretaceous =ierre Shat= is <br />unconformably overlain by about 4,SOC feat of t;~pical littoral <br />to continental elastics cf the Paleocen=_-Eocene Coalmont For- <br />mation. The Sudduth coal seam is the basal unit cf the Ccal- <br />Wont Foraatipn. ~t the Eourg Mine it is on the aver=_ge 25 <br />'~~ feet thick, Eighty feet higher a seam, call=_~ here the <br />Hoyle Seam, that averages 16 feet thick uas f[•und at the <br />5ourg property. Pleistocene pediment eravels venear the nesas <br />and buttes near the Bourg f•iine and Recent alluvium mantles <br />P1ann Draw and its tributary dry ;ulches cn the Bourg property, <br />Fierre Shale <br />2eneath the coal <br />Pierre Shale. Eaekly <br />North Park, Colorado: <br />estimated the thickne <br />Wined at the 5ourg property is the <br />(1S15, Geology =-nd coal resources of <br />U. S. Geological Survey Eulletin 596) <br />ss as 5,000 feet. The upper part of <br />this formation, which crops cut in the vicinity of the Eourg <br />f•1ine, is "interbedded brown to gray calcareous sands one, silt- <br /> stone, and shale; a minor amount of cloy-gabble conolcmarate <br /> <br />~ and sc <br />1968 attered cal <br />of <br />Geolo careous concretionary m_sses." (Hail, '=. G., Jr. <br />southwestern North -ark = <br />nd vicinit <br />clcr <br />do: <br /> , gy _ <br />y, :. <br />a <br /> U. S. Geological Survey -culletin 1257, ;,. ~;. <br /> <br /> r,-F <br />