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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.
Item Type: Refine your search to only Report
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.
Item Type: Refine your search to only Report
open access

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.
Item Type: Refine your search to only Report
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.
Item Type: Refine your search to only Report
open access

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.
Item Type: Refine your search to only Report
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