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Uranium Favorability of Tertiary Sedimentary Rocks of the Western Okanogan Highlands and of the Upper Columbia River Valley, Washington

Description: From introduction: This report, one of a series of three reports (Marjaniemi and Robins, 1975a and 1975b) on a study of Tertiary sedimentary rocks in northeastern Washington, presents the results of an investigation of Tertiary sediments of the western Okanogan highlands and upper Columbia River valley. The project was conducted on behalf of the Energy Research and Development Administration (ERDA), formerly the U. S. Atomic Energy Commission.
Date: February 1976
Creator: Marjaniemi, Darwin Keith & Robins, Jerold W.
Partner: UNT Libraries Government Documents Department

Favorability for Uranium in Tertiary Sedimentary Rocks, Southwestern Montana

Description: The objective of the study was to evaluate the favorability for potential uranium resources in Tertiary and related strata. Past studies indicate that the Tertiary basins in southwestern Montana are worthy of further investigation because (1) several basins contain a thick sequence of continental sedimentary rocks, (2) several basins are near possible granitic source rocks that have known uranium occurrences, and (3) some of the Montana basins are geologically similar to basins in Wyoming that are host to important sandstone-type deposits. This study focuses on sedimentary rocks of Tertiary age, but includes some rocks of Late Cretaceous and Pleistocene ages. In some areas only a portion of the total Tertiary sedimentary section could be studied because of poor surface exposures and limited subsurface information.
Date: October 1977
Creator: Wopat, Michael Allen; Curry, William E.; Robins, Jerold W. & Marjaniemi, Darwin Keith
Partner: UNT Libraries Government Documents Department

National Uranium Resource Evaluation: Klamath Falls Quadrangle, Oregon and California

Description: From Introduction: "The Klamath Falls Quadrangle, in south-central Oregon between lat 42º and 43º N. and long 120º and 122º W. (Fig. 1), was evaluated to identify geologic environments and delineate areas with characteristics favorable for the occurrence of uranium deposits."
Date: June 1982
Creator: Castor, Stephen B.; Berry, M. R. & Robins, Jerold W.
Location Info:
Partner: UNT Libraries Government Documents Department

National Uranium Resource Evaluation: Baker Quadrangle, Oregon and Idaho

Description: From Introduction: "The Baker Quadrangle, in east-central Oregon and west-central Idaho (Fig. 1), was evaluated to identify geologic environments and delineate areas that exhibit characteristics favorable for the occurrence of uranium deposits."
Date: April 1982
Creator: Bernardi, M. L. & Robins, Jerold W.
Location Info:
Partner: UNT Libraries Government Documents Department

National Uranium Resource Evaluation: White Sulphur Spring Quadrangle, Montana

Description: From Purpose: "The White Sulphur Springs Quadrangle, in west-central Montana between latitude 46º and 47ºN. and longitude 110º and 112ºW. (Fig. 1), was evaluated to identify geologic environments and delineate areas that exhibit characteristics favorable for uranium deposits. Favorable environments, as determined by surface and subsurface investigations, are those that could contain uranium deposits of at least 100 tons U3O8 at an average not less than 100 ppm U3O8."
Date: February 1982
Creator: Dodd, S. P. & Wopat, Michael A.
Location Info:
Partner: UNT Libraries Government Documents Department

Preliminary Report on Uranium and Thorium Content of Intrusive Rocks in Northeastern Washington and Northern Idaho

Description: From summary: The purpose of this study was to delineate favorable areas for uranium resources in northeastern Washington and northern Idaho by identifying granitic rocks with relatively large amounts of uranium and (or) thorium. Results are based on analyses of 344 rock samples; 230 were collected during this study, and data for the rest were taken from previous publications.
Date: September 1978
Creator: Castor, S. B.; Berry, M. R. & Robins, Jerold W.
Partner: UNT Libraries Government Documents Department

Preliminary Report on Uranium and Thorium Content of Intrusive Rocks in Northeastern Washington and Northern Idaho, Plate 1-4

Description: Supplementary data containing elemental concentration data in rock samples in addition to sample location maps to accompany a report on U.S. uranium resources in Northeastern Washington and Northern Idaho.
Date: September 1978
Creator: Castor, S. B.; Berry, M. R. & Robins, Jerold W.
Partner: UNT Libraries Government Documents Department