Airborne Radiometric Reconnaissance in the Wind River Basin, Wyoming Page: 5
34 p. : maps (some folded) ; 28 cm.View a full description of this report.
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AIRBORNE RADIOMETRIC RECONNAISSANCE
IN THE WIND RIVER BASIN, WYOMING, 1954
ABSTRACT
A program of airborne radiometric reconnaissance for uranium
was conducted in eastern Fremont and western Natrona Counties, in
central Wyoming, during the summer and fall of 1954, by the U. S.
Atomic Energy Commission.
Rocks ranging in age from Precambrian to Quaternary were sur-
veyed for radioactivity. The upper part of the Wind River forma-
tion of Eocene age was found to be the most favorable for uranium
deposits. Uranium minerals found at the anomalies included meta-
autunite, autunite, phosphuranylite, uraniferous opal, torbernite,
uraniferous carbonate-flucrapatite, uraniferous asphaltite, urano-
phane, dewindtite, and renardite.
Over 350 flying hours were logged by the Commission aircraft.
A total of 204 anomalies was reported by the aircrew. Drilling on
two of these anomalies discovered ore which is being mined. Surface
features which may indicate other ore bodies warrant further inves-
tigations.
INTRODUCTION
Geography
The Wind River Basin (fig. 1) is located in parts of Fremont,
Natrona, and Hot Springs Counties of central Wyoming. The area is
served by U. S. Highway Nos. 20 and 26 which connect several of the
major cities in the State. County roads and numerous ranch roads
make most of the area accessible by car. Railroads provide freight
and passenger service to several of the towns. Riverton, the
largest town in the basin, is also served by Frontier Airlines.
The basin, a northwest-trending structure nearly surrounded
by mountains, comprises an area of 7,800 square miles. Relief is
moderate in the central parts and becomes greater near the margins.
Beaver Rim, the southern edge of the basin, is a well-defined
erosional escarpment ranging from 300 to 1,000 feet in relief. Rock
outcrops are plentiful along the basin margins, around the major
structures, and in areas which have been deeply incised by erosion.
This semiarid region has short dry summers and long cold
winters. Strong southwest winds prevail throughout the year.
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Loomis, Tom H. W. & Blair, Robert G. Airborne Radiometric Reconnaissance in the Wind River Basin, Wyoming, report, June 1957; Washington, D.C.. (https://digital.library.unt.edu/ark:/67531/metadc783658/m1/7/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.