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Showing 1 to 16 of 16 for “"Formations (Geology)"”.
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The geological formation in the vicinity of Golden, Colorado
Made available in DSpace on 2016-11-09T23:48:10Z (GMT). No. of bitstreams: 2 5938503_opt.pdf: 6554019 bytes, checksum: d8e743b55bf28be7bd1def686267a1fe (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1894
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On the lower Paleozoic stratigraphy of the northern peninsula of Michigan
Made available in DSpace on 2016-11-09T23:47:14Z (GMT). No. of bitstreams: 2 5995795_opt.pdf: 42541915 bytes, checksum: e95ebf47a8740ec998bed87a6af04327 (MD5) license.txt: 4183 bytes, checksum: 1dcc2037833d76bede73d5717587543b (MD5) Previous issue date: 1917
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A geophysical investigation of large-scale glaciotectonic deformation, Ludington Ridge, Michigan
Thesis (M.S.)--Michigan State University. Dept. of Geological Sciences, 2008
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Conodont biostratigraphy of the Bakken and lower Lodgepole Formations (Devonian and Mississippian), Williston Basin, North Dakota
… biozonation of the Bakken and basal Lodgepole Formations in the Williston Basin in North Dakota. The Bakken Formation of Devonian and Mississippian age and the Lodgepole Formation, entirely of Mississippian age, are subsurface units in North Dakota. The Bakken Formation (44 metres thick) …
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A high resolution gravity survey of the Lake St. Martin impact structure, Manitoba, Canada
<p> There are roughly 160 known impact craters listed in the Cratering Database (Earth Impact Database, 2002) of these approximately 20% are buried structures. Geophysical methods of investigation are used to study buried impact structures and add to the growing knowledge base of crater properties. …
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Depositional history, environments of deposition, and hydrocarbon potential of the Newcastle Formation (Lower Cretaceous) of eastern North Dakota
<p>The Newcastle Formation (Albian) in North Dakota is composed primarily of fine grained sandstone, mudstone and shale. This study examined the Newcastle within the eastern two thirds of North Dakota, with the goal of determining the various depositional environments, the depositional history, and …
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Paleontology and stratigraphy of the Niobrara Formation (Upper Cretaceous) of eastern North Dakota with emphasis on the calcareous nannoplankton
<p>The Upper Cretaceous Niobrara Formation in eastern North Dakota consists of calcareous shales, chalks, and shaly chalks. The formation was studied from surface exposures, cores, and well logs. The Niobrara is 62 feet (19m) to 272 feet (83 m) and is thickest to the northeast, in a central linear …
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The Spearfish Formation in the Williston Basin of western North Dakota
<p>The Spearfish Formation of the Black Hills has been traced into the Williston Basin of western North Dakota. In the basin, the formation can be divided into three members. In ascending order these are: (1) a lower gray shale and red siltstone unit herein named the Belfield Member, (2) a middle …
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The Broom Creek Formation (Permian), in southwestern North Dakota: depositional environments and nitrogen occurrence
… generation in the underlying Amsden and/or Tyler Formations. </p>
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Depositional environments and sandstone diagenesis in the Tyler Formation (Pennsylvanian), western North Dakota
<p>Thirty-three oil well cores were examined and approximately 3,100 oil well logs were used to determine the depositional environments of the Tyler Formation (Pennsylvanian) in northwestern North Dakota. Ninety sandstone thin-sections were described and twenty-nine sandstone samples were analyzed …
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Regional stratigraphy of the Newcastle Formation (Lower Cretaceous) in eastern Montana and western North Dakota
… Mowry, Newcastle, Skull Creek, and Inyan Kara Formations. The log character of the Newcastle Formation was also described for all gamma-ray logs. All well logs and formation tops were exported from a LogSleuth TM program and imported into Petra TM for Windows where unit thicknesses were …
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Hydrogeology and recharge of the Split Rock Creek Aquifer, southeastern South Dakota
<p> The rapid growth of the city of Sioux Falls, South Dakota, has created a great demand for additional sources of ground water. Due to limited information on the buried, confined Split Rock Creek aquifer near Sioux Falls, a detailed hydrogeologic assessment of the aquifer was conducted to …
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Depositional and diagenetic controls on porosity evolution in the "C" zone, Red River Formation (Upper Ordovician), Divide County, North Dakota
<p> Carbonates and evaporites in the "C" zone c: the Red River Formation (Upper Ordovician) in the subsurface of Divide County, North Dakota, were studied in order to determine the geologic framework of porosity evolution in this important hydrocarbon-producing formation. Examination of 28 cores, …
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Soft-sediment Deformation and Dune Collapse in the Navajo Sandstone
<p>The Canyon Overlook Trail of Zion National Park follows an outcrop of Navajo Sandstone, which displays a uniquely well-exposed assemblage of features associated with failure of the lee face of a large eolian dune, and run-out over an expanse of interdune sediments downwind of that bedform. …
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Taphonomy of Sediments: Bioturbation in the Triassic Moenkopi Formation in Southwestern Utah
<p>Measurement of bioturbation reflects physical and biological processes operating over time and can be used to reveal information about paleo-environments. The purpose of this study was to determine the intensity of bioturbation in Triassic Moenkopi Formation at Hurricane Mesa in Southwestern …