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The Helderberg Group and the Position of the Silurian-Devonian Boundary in North America
A paper that reviews the Helderberg Group and its relation to the Silurian-Devotion boundary.
Date:
1964
Creator:
Berdan, Jean M.
System:
The UNT Digital Library
Coal Resources of Lawrence County Pennsylvania
A report about the coal-bearing rocks found in Lawrence County, Pennsylvania. Lawrence County is in west-Central Pennsylvania in the northern part of the Appalachian coal field.
Date:
1964
Creator:
Van Lieu, J. A. & Patterson, Elmer D.
System:
The UNT Digital Library
Selenium in Some Oxidized Sandstone-type Uranium Deposits
A report about selenium and other trace metals in samples from some oxidized sandstone-type uranium deposits that demonstrate that concentrations of as much as 0.1 percent selenium are not uncommon in the immediate vicinity of uranium concentrations.
Date:
1963
Creator:
Davidson, D. F.
System:
The UNT Digital Library
Split Rock Formation (Miocene) and Moonstone Formation (Pliocene) in Central Wyoming
A paper about Split Rock formation of Miocene age in central Wyoming. It contains mostly consolidated quartz sandstone with lesser amounts of tuff, pumicite, limestone, and claystone.
Date:
1961
Creator:
Love, J. D.
System:
The UNT Digital Library
Cenozoic Geology in the Mammoth Area Pinal County, Arizona
A report about the lower San Pedro Valley in Arizona. This report shows how mapping discrete units of the valley may lead to a broadened understanding of Cenozoic history of intermontane basins in Arizona.
Date:
1963
Creator:
Heindl, L. A.
System:
The UNT Digital Library
Geology of the Duck Creek Pass Quadrangle Montana
A report about the Duck Creek Pass quadrangle which forms a large part of the bedrock of western Montana and adjoins other areas in which geologic studies are already completed or in progress.
Date:
1963
Creator:
Nelson, Willis H.
System:
The UNT Digital Library
Distribution and Thickness of Devonian Rocks in Williston Basin and in Central Montana and North-Central Wyoming
A report which includes 200,000 square miles in the southern part of the Williston basin of North Dakota, South Dakota, and Montana. The Devonian rocks consist mostly of marine carbonate, evaporite, and shale beds.
Date:
1961
Creator:
Sandberg, Charles A.
System:
The UNT Digital Library
Minerals of Colorado: A 100-Year Record
A report about the known facts about the minerals that make up the rocks, soils, and ore deposits of Colorado.
Date:
1961
Creator:
Eckel, Edwin B.
System:
The UNT Digital Library
Geology of the Lost Creek Schroeckingerite Deposits Sweetwater County, Wyoming
A report which presents the geologic results of an exploration program in the Lost Creek area by the U.S. Geological Survey in 1951-52 on behalf of the Division of Raw Materials of the U.S. Atomic Energy Commission.
Date:
1961
Creator:
Sheridan, Douglas M.; Maxwell, Charles H. & Collier, John T.
System:
The UNT Digital Library
Construction of Pressure-Temperature Diagrams for Multicomponent Systems After the Method of Schreinemakers--A Geometric Approach
A report about the Schreinemakers method and the creation of pressure temperature diagrams for multicomponent systems.
Date:
1966
Creator:
Zen, E-an
System:
The UNT Digital Library
Geology of the Clark Fork Quadrangle Idaho-Montana
A report about the Clark Fork quadrangle which is underlain by more than 38,000 feet of low-grade metasedimentary rocks of the Precambrian Belt series. The quadrangle has both metallic and nonmetallic mineral deposits of considerable value.
Date:
1963
Creator:
Harrison, J. E. & Jobin, D. A.
System:
The UNT Digital Library
Copper Mosses as Indicators of Metal Concentrations
A report that analyses samples of copper mosses and their substrates and compares these analyses with those published elsewhere.
Date:
1967
Creator:
Shacklette, Hansford T.
System:
The UNT Digital Library
A Preliminary Report on the Precambrian Iron Deposits Near Atlantic City, Wyoming
A report about 100 square miles of metamorphosed Precambrian sedimentary and volcanic rocks in Wyoming. The district in which they are located is known for its gold, but iron deposits of high economic potential are being developed in the northwest part.
Date:
1963
Creator:
Bayley, Richard W.
System:
The UNT Digital Library
Terrestrial Impact Structures—A Biography 1965-68
A bibliography on impact structures by that supplements the U.S. Geological Survey Bulletin 1220 by citing literature published or reviewed since 1964.
Date:
1969
Creator:
unknown
System:
The UNT Digital Library
The Foote Creek and Dutton Creek Formations, Two New Formations in the North Part of the Laramie Basin, Wyoming
A report about two new geologic formations in Wyoming. The Foote Creek Formation consists of beds of fine-grained sandstone with shale, siltstone, and coal beds. The Dutton Creek Formation consists of beds of coarse-grained locally conglomeratic sandstone.
Date:
1965
Creator:
Hyden, Harold J.; McAndrews, Harry & Tschudy, Robert H.
System:
The UNT Digital Library
Geology and Uranium Deposits of the Southern Part of the Powder River Basin, Wyoming
A report about the Powder River Basin in northeastern Wyoming which is a physiographic unit bounded on the west by the Bighorn Mountains. There are sedimentary rocks which range in age from Cambrian to Oligocene.
Date:
1964
Creator:
Sharp, William N. & Gibbons, Anthony B.
System:
The UNT Digital Library
Nomenclature and Correlation of Lithologic Subdivisions of the Jefferson and Three Forks Formations of Southern Montana and Northern Wyoming
A report about the Jefferson Formation and the Three Forks Formation. Both of them constitute a sequence of dominantly marine rocks.
Date:
1965
Creator:
Sandberg, Charles A.
System:
The UNT Digital Library
Uranium Content of Ground and Surface Waters in a Part of the Central Great Plains
A report about the uranium content of water from various rock units and geologic terrains. Rocks of uranium might indicate which underground water sources contain uranium.
Date:
1960
Creator:
Landis, E. R.
System:
The UNT Digital Library
Geologic Reconnaissance of the Antelope-Ashwood Area North-Central Oregon
A report describing the geology of a few counties in Oregon. Strata is exposed that ranges in age from pre-Tertiary to Quaternary.
Date:
1964
Creator:
Peck, Dallas L.
System:
The UNT Digital Library
Uranium-bearing Coal in the Great Divide Basin Sweetwater County Wyoming
A report about 24 townships in Wyoming which were geographically mapped. Fourteen of them contain uranium-bearing coal. There are 30 coal beds in these locations and seven of them contain the uranium-bearing coal.
Date:
1961
Creator:
Pipiringos, George N.
System:
The UNT Digital Library
Nonopaque Heavy Minerals in Sandstone of Jurassic and Cretaceous Age in the Black Hills Wyoming and South Dakota
A report about sandstone in the black hills of Wyoming and South Dakota. It discusses the nonopaque heavy minerals found within it.
Date:
1964
Creator:
Mapel, W. J.; Chisholm, W. A. & Bergenback, R. E.
System:
The UNT Digital Library
Geology of Franklin, Webster, and Nuckolls Counties, Nebraska
A report about the Geology of three locations in Nebraska. Each location primarily are made up of Shale and chalk of Late Cretaceous age.
Date:
1964
Creator:
Miller, Robert D.; Van Horn, Richard; Dobrovolny, Ernest & Buck, Laurence P.
System:
The UNT Digital Library
Changes in Stratigraphic Nomenclature by the U.S. Geological Survey, 1963
A report that fits in a series of reports that are about changes in stratigraphic nomenclature and that will list publications in which the changes have been describes. It deals with stratigraphy, including those defining changes in stratigraphic nomenclature in reports of the U.S. Geological Survey.
Date:
1965
Creator:
Cohee, George V. & West, Walter S.
System:
The UNT Digital Library
Bentonite Deposits of the Northern Black Hills District Wyoming, Montana, and South Dakota
From abstract: The northern Black Hills bentonite mining district includes parts of Crook County, Wyo., Carter County, Mont., and Butte County, S. Dak. Within this district, many beds of bentonite occur interspersed with sedimentary strata of Cretaceous age that have an average total thickness of about 3,000 feet and consist chiefly of marine shale, marl, and argillaceous sandstone. The bentonite beds occur in formations ranging upward from the Newcastle sandstone to the lower part of the Mitten black shale member of the Pierre shale. Tertiary (?) and Quaternary deposits of gravel, sand, and silt are present on extensive terraces, and deposits of such materials also extend along stream courses in all parts of the district.
Date:
1962
Creator:
Knechtel, Maxwell M. & Patterson, Sam H.
System:
The UNT Digital Library