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Geologic Processes at the Land Surface

Description: A report about erosion, deposition, soil formation, and water flow. It discusses hazards such as landslides, dust storms, floods, topsoil loss, ecosystem change, water contamination, and soil contamination.
Date: 1996
Creator: Wilshire, Howard G.; Howard, Keith A.; Wentworth, Carl M. & Gibbons, Helen
Partner: UNT Libraries Government Documents Department
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Problems with Applying Topographically Driven Flow to Genesis of the Upper Mississippi Valley Zinc-Lead District and to Fluid Flow in the Illinois Basin

Description: A report about how topographically driven ground-water flow and other processes that involve dewatering of basins fail to account for the temperatures indicated by fluid inclusion and sulfur isotope studies in the Upper Mississippi Valley zinc-lead district on the northern edge of the Illinois Basin.
Date: 1995
Creator: Spirakis, Charles S.
Partner: UNT Libraries Government Documents Department
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Geology of the Lost Creek Schroeckingerite Deposits Sweetwater County, Wyoming

Description: 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.
Partner: UNT Libraries Government Documents Department
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The Mechanism of Solid Viscosity

Description: A report about about the viscosity of solids which have an immediate bearing on the molecular mechanism by which viscous motion in solids is promoted.
Date: 1892
Creator: Barus, Carl
Partner: UNT Libraries Government Documents Department
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Earthquakes in California in 1890 and 1891

Description: A paper which records all of the shocks observed or felt on Mount Hamilton, and all of those reported to the Lick Observatory by letter; as well as newspaper reports of such earthquakes as occurred in the state during that year.
Date: 1892
Creator: Holden, Edward Singleton
Partner: UNT Libraries Government Documents Department
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Contributions to Economic Geology 1955

Description: A report about phosphates found in the Permian Phosphoria formation of the Rocky Mountains. This area constitutes one of the worlds largest reserves of phosphate.
Date: 1956
Creator: Cressman, Earle R.
Partner: UNT Libraries Government Documents Department
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Geology of the Clark Fork Quadrangle Idaho-Montana

Description: 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.
Partner: UNT Libraries Government Documents Department
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Comparison of the Cretaceous-Tertiary Boundary Impact Events and the 0.77-Ma Australasian Tektite Event: Relevance to Mass Extinction

Description: A report that discusses the interpretation of impact shock evidence found in the K-T boundary sections and discusses the constraints imposed by the Australasian tektites and microtektites on the role of the 180-km Chicxulub crater in mass extinction.
Date: 1993
Creator: Chao, E. C. T.
Partner: UNT Libraries Government Documents Department
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Copper Mosses as Indicators of Metal Concentrations

Description: 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.
Partner: UNT Libraries Government Documents Department
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