Uraniferous Coal and Carbonaceous Shale in Northeast Paraná, Brazil

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Description

From abstract: Uraniferous coal has been found in northeast Parana', Brazil, in the Rio Bonito formation of Pennsylvanian age. In the majority of coal samples taken the uranium oxide content ranges from 0.005 to 0.030 percent, but selected screened samples have contained as much as 0.45 percent uranium oxide. The sampled thickness of the coal seam ranges from 17 to 54 centimeters and averages 31 centimeters. Channel samples across the entire thickness of the coal zone were taken in two places. All other samples were taken as grab samples from either mine waste dumps or coal zones that had high … continued below

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

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Haynes, Donald D. & Pierson, Charles Thomas January 1957.

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  • Geological Survey (U.S.)
    Publisher Info: U.S. Department of the Interior, Geological Survey
    Place of Publication: Washington D.C.

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  • Main Title: Uraniferous Coal and Carbonaceous Shale in Northeast Paraná, Brazil
  • Added Title: Trace Elements Memorandum Report 1097
  • Series Title: United States Geological Survey Reports
  • Added Title: United States Geological Survey Report 1097

Description

From abstract: Uraniferous coal has been found in northeast Parana', Brazil, in the Rio Bonito formation of Pennsylvanian age. In the majority of coal samples taken the uranium oxide content ranges from 0.005 to 0.030 percent, but selected screened samples have contained as much as 0.45 percent uranium oxide. The sampled thickness of the coal seam ranges from 17 to 54 centimeters and averages 31 centimeters. Channel samples across the entire thickness of the coal zone were taken in two places. All other samples were taken as grab samples from either mine waste dumps or coal zones that had high radioactivity.

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

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  • OCLC: 948763614
  • SuDoc Number: Y 3.At 7:22/TEM-1097
  • Report No.: TEM-1097
  • Archival Resource Key: ark:/67531/metadc784313

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Technical Report Archive and Image Library

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  • January 1957

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  • March 30, 2017, 11:32 p.m.

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  • April 6, 2017, 8:22 a.m.

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Haynes, Donald D. & Pierson, Charles Thomas. Uraniferous Coal and Carbonaceous Shale in Northeast Paraná, Brazil, report, January 1957; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc784313/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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