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Carnotite Deposits in Craven and Coal Canyons, Fall River County, South Dakota

Description: From introduction: This report presents, in tabular form, the results of radiometric and geologic reconnaissance made in the Craven and Coal Canyon areas during the period November 27 to December 7, 1951, in accordance with plans outlined in Trace Elements Memorandum Report 152, "The carnotite prospects of the Craven Canyon area, Fall River County, South Dakota." Assay data from the claims examined by L. R. Page and J. A. Redden are not included in this report. This work was done on behalf of the Division of Raw Materials of the U.S. Atomic Energy Commission.
Date: March 1952
Creator: Bales, W. E. & Erickson, Ralph Leroy

Carnotite Deposits near Edgemont, South Dakota

Description: From introduction: This report describes briefly the deposits of uranium ore discovered in June 1951 near Edgemont, Fall River County, South Dakota. It is a preliminary report, based upon rapid reconnaissance of a small area around the original discovery. It is intended for those who may be interested in further prospecting a large potential area and in developing and mining the deposits.
Date: February 1952
Creator: Baker, K. E.; Smith, L.E. & Rapaport, I.

Uranium Deposits in Fall River County, South Dakota

Description: From abstract: In 1951 uranium deposits containing carnotite were discovered in the southern Black Hills near Edgemont, Fall River County, S. Dak. Many carnotite deposits have since been found in sandstones in the Inyan Kara group of Early Cretaceous age, and uranium-bearing material has been discovered in the Minnelusa sandstone of Pennsylvanian age and the Deadwood formation of Cambrian age in the southern Black Hills. Ore has been produced only from the Inyan Kara group, mostly within an area of about 30 square miles along the southwest flank of the Black Hills uplift between Dewey and Hot Springs, in Custer and Fall River Counties. In addition, occurrences of uranium in other parts of the Black Hills and the surrounding area are known or reported in sedimentary, igneous, and metamorphic rocks of pre-Cambrian to Tertiary age.
Date: 1955
Creator: Bell, Henry & Bales, W. E.