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Wyoming Geological Association Forty-Seventh Field Conference Guidebook 1996 Resources of The Bighorn Basin Editors Charles E. Bowen, Steve C. Kirkwood, Terry SS. Miller Casper, Wyoming
EDITORS: Charles E. Bowen, Steve C. Kirkwood, Terry S. Miller 358 pages, 25 papers TABLE OF CONTENTS HISTORICAL Bighorn Basin Archaeology in Review - James E. Chase and John L. Montgomery...1 OIL & GAS Petroleum Geology of the Bighorn Basin, North-Central Wyoming and South-Central Montana - J.E. Fox and G.L. Dolton...19 Thermal Effects of Rapid Sedimentation and Uplift on the Maturation of Hydrocarbons in the Bighorn Basin, Wyoming - Henry P. Heasler, Nick Visser, Natalya A. Kharitonova and Ronald C. Surdam...41 The Tertiary and Upper Cretaceous Potential in the Bighorn Basin - Curt Talbot...59 Surface Indications of En-Enchelon Closures at the Reservoir Horizons in the Bighorn Basin - Monty E. Hoffman and Raina R. Powell...63 Fourbear Field: An Eocene Laccofold, Western Bighorn Basin - Donald S. Stone...69 Discovery of Enigma Field, Washakie County, Wyoming - Walter K. Arbuckle and Elliott A. Riggs...93 STRATIGRAPHY Revised Stratigraphy of Eocene Volcanic Rocks in the Lower North and South Fork Shoshone River Valleys, Wyoming - David H. Malone...109 Silicified Stromatolites, Paleokarst and Diagetic Overprinting Along Sequence Boundary Beds, Madison/Darwin Contact, Bighorn Basin, Wyoming - A Tool for Low-Stand Carbonate Deposystem Investigation? - C. Enzl, J. Trappe and C.F. Vondra...137 Sedimentation and Early Diagenesis on the Mississippian Mission Canyon Platform in the Northern Bighorn Basin Region - Mari A. Vice and John E. Utgaard...145 Stratigraphy at the Boundary of the Tensleep Sandstone and Park City/Goose Egg Formations in the Southern Big Horn Mountains and Eastern Owl Creek Mountains, Wyoming - Lucas Todd...159 STRUCTURE Evidence for Right-Oblique-Slip on a Northern Segment of the Big Trails Fault System, Southern Big Horn Mountains, Wyoming - Alan J. Ver Ploeg and Phillip L. Greer...179 Kinematics of the Eastern Flank of the Beartooth Mountains, Montana and Wyoming - Patrick James O'Connell ...189 Basement Backthrusts and Thin-Skinned Detachments in Gooseberry Field, Western Bighorn Basin, Wyoming - Peter H. Hennings and Richard C. Hager...221 Structural Interpretation of Sheep Mountain Anticline, Bighorn Basin, Wyoming - Astrid Forster, Anton P. Irmen and Carl Vondra...239 MINING AND MINERALS Industrial Minerals and Radioactive Minerals of the Bighorn Basin - Ray Harris...253 Geology and AU-CU-AG Skarn and Replacement Mineralization in the New World District, Park County, Montana - Todd Johnson...263 Placers and Paleoplacers, Bighorn Basin - W. Dan Hausel and William H. Graves...273 Geology and Mineralogy of the Devil Canyon/Little Mountain Area, Northern Big Horn Mountains, Wyoming - Gretchen Hurley...281 PALEONTOLOGY A Summary of Morrison Formation (Jurassic: Kimmeridgian-Tithonian) Geology and Paleontology, with Notice of a New Dinosaur Locality in the Bighorn Basin (USA) - Cheryl A. Bjoraker and Michael T. Naus...297 The Discovery of a Nearly Complete Allosaurus from the Jurassic Morrison Formation, Eastern Bighorn Basin, Wyoming - Brent H. Breithaupt...309 A Local Chronostratigraphy for the Morrison Formation, Northeastern Bighorn Basin, Wyoming - James E. Swierc and Gary D. Johnson...315 GENERAL INTEREST Late Pleistocene Air Temperatures in the Bighorn Basin, Wyoming: Inferences from Periglacial Ice-Wedge Casts and the Numerical Modeling of Near-Surface Ground Temperatures - Nick Visser, Henry P. Heasler and Brainerd Mears, Jr...329 Use of Global Positioning Systems (GPS) and Geographic Information Systems (GIS) for Geological Applications in the Bighorn Basin, Wyoming - Gretchen Hurley and Jodee Cole...339 Reconaissance of Radon in Soil-Gas and Water in Yellowstone National Park - Cheryl Jaworowski, J.C. Case, L. Larson, G.M. Reimer, S.L. Szarzi, J.M. Been, B. Crysdale, M.A. Brown, M. Jacobs, R. Martineau, and J. Wood...347 |
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