Clastic Pipes of Probable Solution-Collapse Origin in Jurassic Rocks of the Southern San Juan Basin, New Mexico (open access)

Clastic Pipes of Probable Solution-Collapse Origin in Jurassic Rocks of the Southern San Juan Basin, New Mexico

A report about pipes which contain downdropped strata located in the southwestern part of the San Jun Basin, New Mexico.
Date: 1992
Creator: Hunter, Ralph E.; Gelfenbaum, Guy & Rubin, David M.
Object Type: Report
System: The UNT Digital Library
The 1992 Eruptions of Crater Peak Vent Mount Spurr Volcano, Alaska (open access)

The 1992 Eruptions of Crater Peak Vent Mount Spurr Volcano, Alaska

A report which provides an overview of eruptions from Mount Spurr and the Alaska Volcano Observatory's response to them.
Date: 1995
Creator: Keith, Terry E. C.
Object Type: Report
System: The UNT Digital Library
Patterns of Diagenesis in Lower and Middle Pennsylvania Sandstones of the Illinois Basin, Illinois, Indiana, and Kentucky. (open access)

Patterns of Diagenesis in Lower and Middle Pennsylvania Sandstones of the Illinois Basin, Illinois, Indiana, and Kentucky.

This following report discusses the study of Lower and Middle Pennsylvanian sandstones of the Illinois Basin examined for evidence of regional diagenetic and fluid-flow patterns.
Date: 1996
Creator: Hansley, Paula L.
Object Type: Report
System: The UNT Digital Library
Geologic, Geochemical, and Isotopic Studies of a Carbonate- and Siliciclastic-Hosted Pb-Zn Deposit at Lion Hill, Vermont (open access)

Geologic, Geochemical, and Isotopic Studies of a Carbonate- and Siliciclastic-Hosted Pb-Zn Deposit at Lion Hill, Vermont

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.
Object Type: Report
System: The UNT Digital Library
Chloride Flux and Surface Water Discharge Out of Yellowstone National Park, 1982-1989 (open access)

Chloride Flux and Surface Water Discharge Out of Yellowstone National Park, 1982-1989

A report about the chloride flux from Yellowstone National Park (the Park) and the major rivers draining the Park.
Date: 1991
Creator: Norton, Daniel R. & Friedman, Irving
Object Type: Report
System: The UNT Digital Library
Laccolith Complexes of Southeastern Utah: Time of Emplacement and Tectonic Setting - Workshop Proceedings (open access)

Laccolith Complexes of Southeastern Utah: Time of Emplacement and Tectonic Setting - Workshop Proceedings

This report summarizes much of the materials presented at the workshop and provides an extensive list of selected references pertaining to geochronology and tectonics of the Colorado Plateau to facilitate further research.
Date: 1998
Creator: Friedman, Jules D. & Huffman, A. Curtis, Jr.
Object Type: Report
System: The UNT Digital Library
Quaternary Stratigraphy and Paleoceanography of the Canada Basin, Western Arctic Ocean (open access)

Quaternary Stratigraphy and Paleoceanography of the Canada Basin, Western Arctic Ocean

A report about lithologic, paleontologic, and paleomagnetic analyses of sediment cores from Northwind Ridge in the western Canada Basin which provides a stratigraphic framework for interpreting the upper Quaternary paleoceanographic records of the western Arctic Ocean.
Date: 1994
Creator: Poore, Richard Z.; Ishman, Scott E.; Phillips, R. Lawrence & McNeil, David H.
Object Type: Report
System: The UNT Digital Library
The Chemical Analysis of Argonne Premium Coal Samples (open access)

The Chemical Analysis of Argonne Premium Coal Samples

A report about methods used to determine concentrations of 67 elements in 8 argonne premium coal samples.
Date: 1997
Creator: Palmer, Curtis A.
Object Type: Report
System: The UNT Digital Library
40Ar/39Ar Age Spectra and Total-Fusion Ages of Tektites from Cretaceous-Tertiary Boundary Sedimentary Rocks in the Beloc Formation, Haiti (open access)

40Ar/39Ar Age Spectra and Total-Fusion Ages of Tektites from Cretaceous-Tertiary Boundary Sedimentary Rocks in the Beloc Formation, Haiti

A report about Haitian tektites at the paleontological K-T boundary along with an Ir abundance anomaly and shocked quartz.
Date: 1993
Creator: Dalrymple, G. Brent; Izett, Glen A.; Snee, Lawrence W. & Obradovich, John D.
Object Type: Report
System: The UNT Digital Library
Gazetteer of Planetary Nomenclature 1994 (open access)

Gazetteer of Planetary Nomenclature 1994

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.
Object Type: Report
System: The UNT Digital Library
The Sedimentary Carbonate-Hosted Giant Bayan Obo REE-Fe-Nb Ore Deposit of Inner Mongolia, China: A Cornerstone Example for Giant Polymetallic Ore Deposits of Hydrothermal Origin (open access)

The Sedimentary Carbonate-Hosted Giant Bayan Obo REE-Fe-Nb Ore Deposit of Inner Mongolia, China: A Cornerstone Example for Giant Polymetallic Ore Deposits of Hydrothermal Origin

A report which describes the overall characteristics of Bayan Obo ore deposit. The paper examines Bayan Obo as a cornerstone example of giant ore deposits of hydrothermal origin.
Date: 1997
Creator: Chao, E. C. T.
Object Type: Report
System: The UNT Digital Library
Geologic Studies in Alaska by the U.S. Geological Survey, 1990 (open access)

Geologic Studies in Alaska by the U.S. Geological Survey, 1990

A collection of papers which report on the geologic investigations in Alaska. It represents the broad range of U.S. Geologic Survey research activities carried out in Alaska.
Date: 1992
Creator: Bradley, Dwight C. & Ford, Arthur B.
Object Type: Report
System: The UNT Digital Library
The Seaman Volcanic Center—A Rare Middle Tertiary Stratovolcano in Southern Nevada (open access)

The Seaman Volcanic Center—A Rare Middle Tertiary Stratovolcano in Southern Nevada

A report about the Seaman volcanic center which is a composite, middle Tertiary stratovolcano in southern Nevada.
Date: 1993
Creator: Du Bray, Edward A.
Object Type: Report
System: The UNT Digital Library
Geologic Processes at the Land Surface (open access)

Geologic Processes at the Land Surface

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
Object Type: Report
System: The UNT Digital Library
Problems with Applying Topographically Driven Flow to Genesis of the Upper Mississippi Valley Zinc-Lead District and to Fluid Flow in the Illinois Basin (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

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.
Object Type: Report
System: The UNT Digital Library
Engineering Geology Applied to the Design and Operation of Underground Coal Mines (open access)

Engineering Geology Applied to the Design and Operation of Underground Coal Mines

A report which discusses in detail how the disciplines of geology and geotechnology, also known as engineering geology, apply to exploration, design, and operation of underground coal mines.
Date: 1998
Creator: Dunrud, Richard C.
Object Type: Report
System: The UNT Digital Library
Paleocene Vertebrates from Jabal Umm Himar, Kingdom of Saudi Arabia (open access)

Paleocene Vertebrates from Jabal Umm Himar, Kingdom of Saudi Arabia

A report which records the Paleocene vertebrates, stratigraphy, and environment of deposition in the Jabal Umm Himar area.
Date: 1995
Creator: Whitmore, Frank C., Jr. & Madden, Cary T.
Object Type: Report
System: The UNT Digital Library
Distribution of Benthic Foraminifers (>125 µm) in the Surface Sediments of the Arctic Ocean (open access)

Distribution of Benthic Foraminifers (>125 µm) in the Surface Sediments of the Arctic Ocean

A report which discusses the distribution of benthic foraminifers in surface sediment samples from 49 box cores collected by the U.S. Geological Survey.
Date: 1999
Creator: Osterman, Lisa E.; Poore, Richard Z. & Foley, Kevin M.
Object Type: Report
System: The UNT Digital Library
Comparison of the Cretaceous-Tertiary Boundary Impact Events and the 0.77-Ma Australasian Tektite Event: Relevance to Mass Extinction (open access)

Comparison of the Cretaceous-Tertiary Boundary Impact Events and the 0.77-Ma Australasian Tektite Event: Relevance to Mass Extinction

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.
Object Type: Report
System: The UNT Digital Library
Feasibility Study of Material-Balance Assessment of Petroleum from the New Albany Shale in the Illinois Basin (open access)

Feasibility Study of Material-Balance Assessment of Petroleum from the New Albany Shale in the Illinois Basin

A report about which intends to determine the feasibility of conducting a material-balance assessment of petroleum within a sedimentary basin.
Date: 1995
Creator: Lewan, M.D.; Comer, J. B.; Hamlton-Smith, T.; Hasenmueller, N. R.; Guthrie, J. M.; Hatch, J. R. et al.
Object Type: Report
System: The UNT Digital Library
An Overview of Pleistocene and Holocene Inland Dunes in Georgia and the Carolinas--Morphology, Distribution, Age, and Paleoclimate (open access)

An Overview of Pleistocene and Holocene Inland Dunes in Georgia and the Carolinas--Morphology, Distribution, Age, and Paleoclimate

A report about dunes which are vegetated, inactive, and are made of quartz.
Date: 1994
Creator: Markewich, H. W. & Markewich, William
Object Type: Report
System: The UNT Digital Library
Petrologic Characterization of Pelitic Schists in the Western Metamorphic Belt, Coast Plutonic-Metamorphic Complex, Near Juneau, Southeastern Alaska (open access)

Petrologic Characterization of Pelitic Schists in the Western Metamorphic Belt, Coast Plutonic-Metamorphic Complex, Near Juneau, Southeastern Alaska

A report about metamorphic rocks exposed near Juneau, Alaska. The belt they are in had a complex history of deformation, metamorphism, and plutonism.
Date: 1994
Creator: Himmelberg, Glen R.; Brew, David A. & Ford, Arthur B.
Object Type: Report
System: The UNT Digital Library
Paleomagnetic and 40Ar/39Ar Results from the Grant Intrusive Breccia and Comparison to the Permian Downeys Bluff Sill—Evidence for Permian Igneous Activity at Hicks Dome, Southern Illinois Basin (open access)

Paleomagnetic and 40Ar/39Ar Results from the Grant Intrusive Breccia and Comparison to the Permian Downeys Bluff Sill—Evidence for Permian Igneous Activity at Hicks Dome, Southern Illinois Basin

A report about applying 40Ar/39Ar dating methods, along with other rock techniques, to determine the age of emplacement and the cooling history of the Grant intrusive breccia at Hicks dome in Illinois.
Date: 1997
Creator: Reynolds, Richard L.; Goldhaber, Martin B. & Snee, Lawrence W.
Object Type: Report
System: The UNT Digital Library
Chronology of Late Cretaceous Igneous and Hydrothermal Events at the Golden Sunlight Gold-Silver Breccia Pipe, Southwestern Montana (open access)

Chronology of Late Cretaceous Igneous and Hydrothermal Events at the Golden Sunlight Gold-Silver Breccia Pipe, Southwestern Montana

A report about gold mineralization at the Golden Sunlight breccia pipe, southwestern Montana, is related to emplacement of Late Cretaceous alkali-calcic rhyolite and subsequent collapse of the Belt Supergroup wallrock and rhyolite in the pipe.
Date: 1996
Creator: DeWitt, Ed; Foord, Eugene E.; Zartman, Robert E.; Pearson, Robert C. & Foster, Fess
Object Type: Report
System: The UNT Digital Library