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Preliminary Report on the Rimini Area, Jefferson City Quadrangle, Jefferson County and Lewis and Clark County, Montana
Abstract: A number of radioactivity anomalies and secondary uranium minerals have been found in the Rimini area near the northwestern margin of the Boulder batholith. Most of the anomalies are associated with chalcedonic vein zones that consist of one or more veins of cryptocrystalline and fine-grained quartz in silicified quartz monzonite and alaskite. Seventeen of the anomalies were found along veins that contain base and precious metals; nine were along veins in the vicinity of the village of Rimini from which there has been production of lead, silver, zinc, and gold.
Date:
August 1954
Creator:
Becraft, George E.; Pinckney, Darrell M. & Rosenblum, Samuel
System:
The UNT Digital Library
Uranium-Bearing Lignite and its Relation to the White River and Arikaree Formations in Northwestern South Dakota and Adjacent States
From introduction: The purpose of the study is to evaluate the economic possibilities of radioactive lignites and to determine the geologic factors controlling the accumulation of uranium in lignite.
Date:
September 1954
Creator:
Denson, N. M.; Bachman, G. O. & Zeller, H. D.
System:
The UNT Digital Library
Reconnaissance for Uranium-Bearing Lignite in the Ekalaka Lignite Field , Carter County, Montana
A report about uranium bearing lignite beds which are 1.5 to 8 feet thick that occur in the Fort Union formation of the southern part of the Ekalaka Hills, Carter County, Montana.
Date:
July 1954
Creator:
Gill, James R.
System:
The UNT Digital Library
Age of the Boulder Batholith and Other Batholiths of Western Montana
Report presenting new data on the age of the Boulder, Philipsburg, and Idaho batholiths of western Montana.
Date:
May 1954
Creator:
Chapman, Randolph W.; Gottfried, David & Waring, Claude L.
System:
The UNT Digital Library