Geology and Uranium Evaluation of the Precambrian Quartz-Pebble Conglomerates of the Needle Mountains, Southwest Colorado: Final Report

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Description

From purpose of study: The Vallecito Conglomerate of the Needle Mountains area in southwestern Colorado was studied to evaluate the uranium potential of the unit and to test the applicability of the uraniferous Precambrian pebble-conglomerate exploration model in this area. The main thrust of this project is the Vallecito Conglomerate, but the Uncompahgre Formation, which is also in the Needle Mountains area has basal conglomerate that was investigated in a reconnaissance mode. Five specific objectives have been formulated to meet the overall purpose of this project, and these include: a) Determine the uranium distribution in the Vallecito Conglomerate and the … continued below

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161 p. : ill., maps ; 28 cm.

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Burns, L. K.; Ethridge, Frank G.; Tyler, N.; Gross, A. S. & Campo, A. M. May 1980.

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  • Main Title: Geology and Uranium Evaluation of the Precambrian Quartz-Pebble Conglomerates of the Needle Mountains, Southwest Colorado: Final Report
  • Series Title: GJBX
  • Series Title: Atomic Energy Commission Reports
  • Added Title: United States Department of Energy Grand Junction Office Report GJBX 118(80)

Description

From purpose of study: The Vallecito Conglomerate of the Needle Mountains area in southwestern Colorado was studied to evaluate the uranium potential of the unit and to test the applicability of the uraniferous Precambrian pebble-conglomerate exploration model in this area. The main thrust of this project is the Vallecito Conglomerate, but the Uncompahgre Formation, which is also in the Needle Mountains area has basal conglomerate that was investigated in a reconnaissance mode. Five specific objectives have been formulated to meet the overall purpose of this project, and these include: a) Determine the uranium distribution in the Vallecito Conglomerate and the basal conglomerate of the Uncompahgre Formation. b) Evaluate the uranium resources of the area to the degree possible utilizing available information and personal field investigations. c) Test the validity of application of the Precambrian quartz-pebble conglomerate model to this area. d) Recommend detailed studies and delineate drilling sites in the area to further evaluate the uranium resources if warranted. e) Recommend additional geologic, geophysical and geochemical studies which would bear directly on evaluation of uranium resources of the Precambrian pebble conglomerates in the Needle Mountains area.

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161 p. : ill., maps ; 28 cm.

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  • OCLC: 965552328
  • SuDoc Number: E 1:28/GJBX-118(80)
  • Report No.: GJBX 118(80)
  • Grant Number: DE-AC13-76GJ01664
  • Grant Number: 79-304-E
  • Archival Resource Key: ark:/67531/metadc784568

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  • May 1980

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  • Sept. 7, 2017, 9:54 p.m.

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  • March 15, 2018, 1:09 p.m.

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Burns, L. K.; Ethridge, Frank G.; Tyler, N.; Gross, A. S. & Campo, A. M. Geology and Uranium Evaluation of the Precambrian Quartz-Pebble Conglomerates of the Needle Mountains, Southwest Colorado: Final Report, report, May 1980; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc784568/: accessed June 16, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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