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Uranium and Thorium Deposits in East-Central Idaho and Southwestern Montana
From transmittal letter: This report contains the results of radiometric examinations of 39 mines and prospects, and a detailed description of the properties examined.
Date:
March 1952
Creator:
Trites, Albert F., Jr. & Tooker, Edwin Wilson
System:
The UNT Digital Library
Reconnaissance Investigations for Uranium in Black Shale Deposits of the Western States during 1951 and 1952
Report discussing investigations seeking uranium in deposits of black shale around the geographical areas of the Western States
Date:
September 1953
Creator:
Duncan, Donald Cave
System:
The UNT Digital Library
Preliminary Report of Reconnaissance for Uraniferous Granitic Rocks in Montana, Idaho, Oregon, Washington, and California
From abstract: A reconnaissance to determine the uranium content of granitic rocks in the western states was made during parts of October and November 1951. The paucity of our knowledge of the granitic rocks that are most likely to contain significant quantities of uranium has prevented all but a very general isolation of areas or types of granitic rocks for reconnaissance examination.
Date:
April 1952
Creator:
Coats, Robert Roy
System:
The UNT Digital Library
Reconnaissance for Radioactive Minerals in Washington, Idaho, and Western Montana, 1952-1955
From abstract: Approximately fifty radioactive deposits and nearly fifty properties not abnormally radioactive were examined during a geologic reconnaissance for radioactive minerals in Idaho, Washington, and western Montana during the period July 1952 -- June 1955. The most important uranium deposits are in or near granitic to quartz monzonitic intrusions of probable Cretaceous age in central and northern Idaho, westernmost Montana, and northeastern Washington.
Date:
May 1957
Creator:
Weis, Paul L.; Armstrong, Frank C. & Rosenblum, Samuel
System:
The UNT Digital Library
Geology and Thorium-Bearing Deposits of the Lemei Pass Area, Lemhi County, Idaho, and Beaverhead County, Montana
A report about the Lemhi Pass area in the Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana, which was undertaken to determine the area as a potential source of thorium.
Date:
July 1959
Creator:
Sharp, William N. & Cavender, Wayne S.
System:
The UNT Digital Library
Preliminary Report on Geology of the Phosphate Deposits in the Centennial Range, Montana - Idaho
Report discussing an investigation of the Centennial Range of Montana and Idaho, and the phosphate deposits of this area. Information on the geology of the area and deposits are given as well as information regarding the quality and location of phosphate deposits.
Date:
May 1953
Creator:
Honkala, Fred S.
System:
The UNT Digital Library
Uranium and Thorium Deposits in East-Central Idaho and Southwestern Montana: Part 1
Report discussing a radiometric examination that took place in 1950 to determine the grade, reserves, and mode of occurrence of uranium and thorium in east-central Idaho and south-western Montana.
Date:
March 1952
Creator:
Trites, Albert F., Jr. & Tooker, Edwin W.
System:
The UNT Digital Library
The Permian Phosphorite Deposits of Western United States
Report describing the phosphorite deposits of the western United States with the objective of outlining features that are common to both the Kara Tau phosphorite deposits of Russia and the western United States deposits in an effort to define their origin.
Date:
October 1952
Creator:
McKelvey, V. E.; Swanson, R. W. & Sheldon, R. P.
System:
The UNT Digital Library
Relation of Uranium and Phosphate in the Phosphoria Formation
Report discussing investigation of the relation of uranium and phosphate in the Phosphoria formation and its close stratigraphic equivalents.
Date:
January 1950
Creator:
McKelvey, V. K.
System:
The UNT Digital Library
Mineralogy and Geochemistry of Some Belt Rocks, Montana and Idaho
A report which compares 20,000 feet of Belt rocks in the Mission Mountains Primitive Area in Montana with 40,000 feet of Belt rocks in the Pend Oreille area in Idaho and Montana.
Date:
1970
Creator:
Harrison, J. E. & Grimes, D. J.
System:
The UNT Digital Library
Geology of the Clark Fork Quadrangle Idaho-Montana
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.
System:
The UNT Digital Library
Shorter Contributions to the Stratigraphy and Geochronology of Upper Cretaceous Rocks in the Western Interior of the United States
The following report presents measured sections and lithostratigraphic correlations of the units in the order to document a syntectonic unconformity in order to understand the tectonic history of the area.
Date:
1995
Creator:
Geological Survey (U.S.)
System:
The UNT Digital Library
Geology of the Clark Fork Quadrangle Idaho-Montana
This report gives a brief geological description of the Clark Fork quadrangle on the Idaho-Montana border.
Date:
1963
Creator:
Harrison, Jack Edward & Jobin, Daniel A.
System:
The UNT Digital Library
The Columbia River Basalt Group in the Spokane Quadrangle, Washington, Idaho, and Montana
This report studies the several aspects of the basalts in the Columbia River Basalt Group in the Spokane quadrangle, Washington, Idaho, and Montana.
Date:
1976
Creator:
Griggs, Allan B. & Swanson, Donald A.
System:
The UNT Digital Library
Preliminary report on geology of the phosphate deposits in the Centennial Range, Montana-Idaho
A preliminary report on the geology of the phosphate deposits located in the Centennial Range in Montana and Idaho.
Date:
May 1953
Creator:
Honkala, Fred S.
System:
The UNT Digital Library