Technical Report Archive & Image Library (TRAIL) - 10 Matching Results

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Geology and ore deposits of the Freeland-Lamartine district, Clear Creek County, Colorado

Description: A report regarding a geological survey of the geology and ore deposits of the Freeland-Lamartine District, Clear Creek County, Colorado. Concerns work done on behalf of the Division of Raw Materials of the U.S. Atomic Energy Commission.
Date: March 1954
Creator: Harrison, Jack Edward & Wells, J. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Preliminary Report on the Jo Reynolds Area, Lawson-Dumont District, Clear Creek County, Colorado

Description: From abstract: Pitchblende is known to occur in the Jo Reynolds deposit, which was primarily a lead-zinc-silver ore body. The reported production in 1919 of 8 tons of high-grade uranium ore, presumably from the lowest workings of the mine, is still unconfirmed but has a fair degree of credibility.
Date: March 1952
Creator: Harrison, Jack Edward & Leonard, B. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Radioactivity in the Jo Reynolds Mine, Clear Creek County, Colorado

Description: From abstract: Eight tons of high grade pitchblende ore was sold from the Jo Reynolds mine near Lawson, Clear Creek County, Colo., in 1919. The pitchblende occurs with silver, lead, and zinc in carbonate-quartz veins cutting pre-Cambrian schist, granite gneiss, and granite.
Date: January 1951
Creator: King, Robert Ugstad
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Radioactivity Reconnaissance of Part of North-Central Clear Creek County, Front Range, Colorado

Description: Report discussing an investigation of radioactivity in part of Clear Creek County, Front Range, Colorado. The methods and results of the reconnaissance are included. Veins containing chalcopyrite were found to be the best source of radioactivity in the region.
Date: July 1953
Creator: Wells, John D. & Harrison, Jack E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Radioactivity Reconnaissance of Part of North-Central Clear Creek County, Front Range, Colorado

Description: "The purpose of the reconnaissance was to determine the distribution and the economic importance of the radioactive occurrences of the region. The methods, as well as the results, of the investigation, are given in this report."
Date: June 1953
Creator: Wells, John David & Harrison, Jack Edward
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Uranium Occurrences in the Martha E Prospect, Lawson-Dumont District, Clear Creek County, Colorado

Description: From introduction: The Martha E prospect, in Spring Gulch about three and one-half miles southwest of Idaho Springs, Colo. (fig. 1), is on a claim, originally called the Daisy Freese, which was first prospected by the Stanley Mines. The occurrence of radioactive minerals in the adit was called to the attention of the U. S. Geological Survey in 1950 by the owners of the claim. The Survey's Trace Elements Section Washington Laboratory identified metatorbernite, autunite, and sooty pitchblende.
Date: April 1952
Creator: Harrison, Jack Edward
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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