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Upper Cretaceous Stratigraphy of the Uinta Basin, Utah

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Upper Cretaceous Stratigraphy of the Uinta Basin, Utah BULL. GEOL. SOC. AM., VOL. 55 WALTON, PL. 1 ^ UPPER CRETACEOUS STRATIGRAPHY OF THE UINTA BASIN, UTAH Downloaded from http://pubs.geoscienceworld.org/gsa/gsabulletin/article-pdf/55/1/91/3431325/BUL55_1-0091.pdf by guest on 29 September 2021 BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA VOL. 55, PP. 91-130, 10 PLS., 1 FIG. JANUARY 1, 1944 GEOLOGY OF THE CRETACEOUS OF THE UINTA BASIN, UTAH BY PATJL T. WALTON CONTENTS - Page Abstract.................................................................................................................................................................... 92 Introduction............................................................................................................................................................ 93 General features of the area...................................................................................................................... 93 Previous geologic work................................................................................................................................ 94 Present investigation.................................................................................................................................... 94 Acknowledgements....................................................................................................................................... 95 Stratigraphy............................................................................................................................................................ 95 Jurassic system....................................................................................................................................................... 96 Upper Cretaceous system.................................................................................................................................... 96 Dakota (?) sandstone................................................................................................................................... 96 Mancos shale.................................................................................................................................................. 100 Mesaverde group........................................................................................................................................... 105 General statement.......................................... ................................................................................. 105 Tabby Mountain area......................................................................................................................... 105 Vernal region......................................................................................................................................... 109 Asphalt Ridge sandstone.................................................................................................................... HO Rim Rock sandstone........................................................................................................................... H I Williams Fork formation.................................................................................................................... 114 Cretaceous (?) system.......................................................................................................................................... 117 Currant Creek formation............................................................................................................................ 117 Tertiary system...................................................................................................................................................... 120 Eocene series................................................................................................................................................... 120 Wasatch formation.............................................................................................................................. 120 Green River formation....................................................................................................................... 121 Uinta formation.................................................................................................................................... 121 Uinta (?) formation............................................................................................................................. 122 Oligocene series.............................................................................................................................................. 122 Duchesne River formation................................................................................................................ 122 Miocene (?) series......................................................................................................................................... 123 Bishop conglomerate........................................................................................................................... 123 Quaternary system................................................................................................................................................ 123 Igneous rocks.......................................................................................................................................................... 123 Structure.................................................................................................................................................................. 124 General features............................................................................................................................................ 124 Folding............................................................................................................................................................. 124 General considerations........................................................................................................................ 124 Vernal Valley trough........................................................................................................................... 124 Rangely anticline................................................................................................................................. 124 Neal nose............................................................................................................................................... 125 Deep Creek n ose.................................................................................................................................. 125 Whiterocks River nose...................................................................................................................... 125 Transverse folding................................................................................................................................ 125 Faulting............................................................................................................................................................ 125 91 Downloaded from http://pubs.geoscienceworld.org/gsa/gsabulletin/article-pdf/55/1/91/3431325/BUL55_1-0091.pdf by guest on 29 September 2021 92 WALTON'— GEOLOGY OF CRETACEOUS OF UINTA BASIN, UTAH Structural history................................................................................................................................................ 125 General statement...................................................................................................................................... 125 Disturbance in the Tabby Mountain area.......................................................................................... 125 Folding of the Uinta Mountain anticline............................................................................................ 126 First uplift of the Uinta Mountains..................................................................................................... 127 Second uplift of the Uinta Mountains................................................................................................. 127 Movement of post-Duchesne River age............................................................................................... 127 Subsidence of the Uinta anticline.......................................................................................................... 127 Continental uplift....................................................................................................................................... 128 Migration of the synclinal axis............................................................................................................... 128 Summary of conclusions.................................................................................................................................... 128 References cited................................................................................................................................................... 129 ILLUSTRATIONS Figure Page 1. Index map showing location of Uinta Basin, Utah....................................................................................... 93 Plate Facing page 1. Upper Cretaceous stratigraphy of the Uinta Basin, Utah............................................................... 91 2. Geologic map and sections of the Uinta Basin, Utah...................................................................... 98 3. Regional Cretaceous
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