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Base- and Precious-Metal Concentrations of Early Proterozoic Massive Sulfide Deposits in Arizona- Crustal and Thermochemical Controls of Ore Deposition

Description: A report about early proterozoic massive sulfide deposits associated with submarine mafic to felsic metavolcano rocks are present throughout central, west-central, and northwestern Arizona. Also, production data for copper, lead, zinc, gold, and silver for most of the known deposits and prospects in 13 metallic mineral districts are summarized.
Date: 1995
Creator: DeWitt, Ed
Partner: UNT Libraries Government Documents Department
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Geologic, Geochemical, and Isotopic Studies of a Carbonate- and Siliciclastic-Hosted Pb-Zn Deposit at Lion Hill, Vermont

Description: A report about the potential for Irish-type Pb-Zn deposits in a platform rocks of western Vermont; however, at Lion Hill they contain enrichments of Pb, Zn, and Cu rather than a Pb, Zn, and Ag association.
Date: 1995
Creator: Foley, Nora K.; Clark, Sandra H. B.; Woodruff, Laurel G. & Mosier, Elwin L.
Partner: UNT Libraries Government Documents Department
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Gazetteer of Planetary Nomenclature 1994

Description: A report about nomenclature related to planets in the solar system. It contains detailed information about all names of topographic and albedo features on planets and satellites.
Date: 1995
Creator: Batson, Raymond M. & Russell, Joel F.
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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Imaging the Sea Floor

Description: A report that provides examples of 1990's sonar advances that help map the sea floor. Two specific devices are focused on, these are the Sea Beam bathymetric mapping system and the GLORIA sidescan-sonar imaging system.
Date: 1995
Creator: Schlee, John S.; Karl, Herman A. & Torresan, M. E.
Partner: UNT Libraries Government Documents Department
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Guide to the Volcanoes of the Western Wrangell Mountains, Alaska

Description: A report that describes the geologic history of various landscapes viewed from major roadways in and around Wrangell-St. Elias National Park and Preserve.
Date: 1995
Creator: Richter, Donald H.; Rosenkrans, Danny S. & Steigerwald, Margaret J.
Partner: UNT Libraries Government Documents Department
open access

Paleocene Vertebrates from Jabal Umm Himar, Kingdom of Saudi Arabia

Description: A report about fossils in Saudi Arabia. The report discusses locality, higher taxon, and specimens within the taxon from a given locality.
Date: 1995
Creator: Whitmore, Frank C., Jr.; Madden, Cary T.; Schmidt, Dwight L. & Naqvi, Ibne Mohammed
Partner: UNT Libraries Government Documents Department
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Lead Isotopes from the Upper Mississippi Valley District: A Regional Perspective

Description: A report about new lead isotopic data on galena from within and peripheral to the Upper Mississippi Valley which make it possible to trace a pathway traversed by the mineralizing fluids beyond the boundary of the main district.
Date: 1995
Creator: Millen, Timothy M.; Zartman, Robert E. & Heyl, Allen V.
Partner: UNT Libraries Government Documents Department
open access

Geology and Mineral Deposits of the Venezuelan Guayana Shield

Description: Abstract: The U.S. Geological Survey and the Corporación Venezolana de Guayana, Técnica Minera, C.A., conducted a cooperative mapping, exploration, and mineral resource estimation study in Venezuela from 1987 to 1992. The work was conducted in the Venezuelan Guayana Shield, an Archean to Early and Middle Proterozoic craton in southern and eastern Venezuela of almost 415,000 km2 that is mostly covered by jungle and savanna. Results obtained from this project contribute a new understanding of the… more
Date: 1995
Creator: Sidder, Gary B.; García Gerdes, Andrés E. & Stoeser, J. W.
Partner: UNT Libraries Government Documents Department
open access

Sedimentological Descriptions and Depositional Interpretations, in Sequence Stratigraphic Context, of Two 300-Meter Cores from the Upper Cretaceous Straight Cliffs Formation, Kaiparowits Plateau, Kane County, Utah

Description: The following report provides detailed analyses of two 300-meter cores from upper Turonian to lower Campanian strata of the Straight Cliffs Formation, Kaiparowits Plateau, Kane County, Utah.
Date: 1995
Creator: Hettinger, Robert D.
Partner: UNT Libraries Government Documents Department
open access

Fluvial Architecture of the Lower Cretaceous Lakota Formation, Southwestern Flank of the Black Hills Uplift, South Dakota

Description: From introduction This report describes large-scale depositional units referred to as architectural elements, interpreted from outcrops of three distinct fluvial sandstone units of the Lakota Formation in the southwestern Black Hills area of Custer and Fall River Counties, South Dakota. These fluvial deposits formed near the end of an episode of continental deposition that began when the Jurassic Sundance sea regressed from the region and ended when the Early Cretaceous Skull Creek sea encroach… more
Date: 1995
Creator: Dahlstrom, David J. & Fox, James E.
Partner: UNT Libraries Government Documents Department
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Carbon Dioxide in Mississippian Rocks of the Paradox Basin and Adjacent Areas, Colorado, Utah, New Mexico, and Arizona

Description: From abstract: This report is about six gas samples that were obtained from the Mississippian Leadville Limestone in the McElmo field, Colorado, and the Lisbon field, Utah. These samples were recorded to contain a high reading of carbon dioxide and the report investigates these results.
Date: 1995
Creator: Cappa, James A. & Rice, Dudley D.
Partner: UNT Libraries Government Documents Department
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