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The Bisbee Group of the Tombstone Hills, Southeastern Arizona: Stratigraphy, Structure, Metamorphism, and Mineralization
From introduction: The purpose of this study is to establish a stratigraphic framework of the Bisbee Group in the Tombstone Hills, and to use this stratigraphy to unravel the complex history of folding, faulting, intrusion, and mineralization.
Date:
1996
Creator:
Force, Eric R.
System:
The UNT Digital Library
Burial and Thermal History of the Paradox Basin, Utah and Colorado, and Petroleum Potential of the Middle Pennsylvanian Paradox Formation
From abstract: This is a report on the burial and thermal history of the Paradox basin in Utah and Colorado, and the petroleum potential of the middle Pennsylvanian Paradox Formation.
Date:
1996
Creator:
Nuccio, Vito F. & Condon, Steven M.
System:
The UNT Digital Library
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
System:
The UNT Digital Library
Geology of Part of the Nelchina River Gabbronorite and Associated Rocks, South-Central Alaska
The following report analyzes the geological features of a 6-km by 0.3-km strip of glacially polished rocks of the Nelchina River Gabbronorite located in the eastern part of the Anchorage quadrangle.
Date:
1996
Creator:
Burns, Laurel E.
System:
The UNT Digital Library
Geology of the Harpers Ferry Quadrangle, Virginia, Maryland, and West Virginia
The following report documents the geological mapping of the Harpers Ferry quadrangle, Virginia, Maryland, and West Virginia, from between 1989 and 1990.
Date:
1996
Creator:
Southworth, Scott & Brezinski, David K.
System:
The UNT Digital Library
Gold Placers of the Historical Fortymile River Region, Alaska
From introduction: This report focuses on the placer geology of individual creeks; mining, history of the area, high terrace gravels, and the gold source of the Fortymile River area in Alaska.
Date:
1996
Creator:
Yeend, Warren E.
System:
The UNT Digital Library
Mineral Resource Potential and Geology of Coronado National Forest, Southeastern Arizona and Southwestern New Mexico
The following report is a mineral resource assessment of Coronado National Forest of southeastern Arizona and southwestern New Mexico, formed by geologic, geochemical, and geophysical data.
Date:
1996
Creator:
Du Bray, Edward A.
System:
The UNT Digital Library
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.
System:
The UNT Digital Library
The Slumgullion Earth Flow: A Large-Scale Natural Laboratory
A report about the Slumgullion slide and landslides. It discusses climate changed and how landslides are measured.
Date:
1996
Creator:
Varnes, D. J. & Savage, W. Z.
System:
The UNT Digital Library
Subdivision, Subsurface Stratigraphy, and Estimated Age of Fluvial-Terrace Deposits in Northwestern Tennessee
This report studies the fluvial-terrace deposits in northwestern Tennessee with the intention of establishing a means of correlating disjunct terrace segments along the Obion River that is independent of terrace height, to document the stratigraphy of selected terrace deposits, and to estimate their numerical ages.
Date:
1996
Creator:
Rodbell, Donald T.
System:
The UNT Digital Library
Thermal Evolution of Sedimentary Basins in Alaska
This report covers the study of thermal maturity of sedimentary basins in Alaska taken place in the early 1990s.
Date:
1996
Creator:
Johnsson, Mark J. & Howell, Douglas G.
System:
The UNT Digital Library
Timing and Effect of Detachment-Related Potassium Metasomatism on 40Ar/39Ar Ages from the Windous Butte Formation, Grant Range, Nevada
A report about studying volcanic rocks. It discusses faults, thermal, and chemical problems.
Date:
1996
Creator:
Brooks, William E. & Snee, Lawrence W.
System:
The UNT Digital Library
Uranium Provinces of North America: Their Definition, Distribution, and Models
This report follows the study of the plate tectonic history of North America and provides a model format of the uranium provinces of North America. The format is designed to provide the major characteristics of the province in brief concise descriptions.
Date:
1996
Creator:
Finch, Warren Irvin
System:
The UNT Digital Library