Reconnaissance for uranium in the coal of Sao Paulo, Santa Catarina, and Rio Grande do Sul, Brazil
Trace Elements Memorandum
943
By: Donald D. Haynes, Charles T. Pierson, and Max G. White
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Abstract
Uranium-bearing coal and carbonaceous shale of the Rio Bonito formation of Pennsylvanian age have been found in the States of Sao Paulo, Santa Catarlna and Rio Grande do Sul, Brazil. The uranium oxide content of the samples collected in the State of Sao Paulo ranges from 0.001 percent to 0.082 percent. The samples collected in Santa Catarina averaged about 0.002 percent uranium oxide; those collected in Rio Grande do Sul, about 0.003 percent uranium oxide.
Since the field and laboratory investigations are still in their initial stages, only raw data on the radioactivity and uranium content of Brazilian coals are given in this report.
Suggested Citation
Haynes, D., Pierson, C., and White, M., 1958, Reconnaissance for uranium in the coal of Sao Paulo, Santa Catarina, and Rio Grande do Sul, Brazil: U.S. Geological Survey Trace Elements Memorandum 943, 19 p.; 1 plate, 2 tables, https://doi.org/10.3133/tem943.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Reconnaissance for uranium in the coal of Sao Paulo, Santa Catarina, and Rio Grande do Sul, Brazil |
| Series title | Trace Elements Memorandum |
| Series number | 943 |
| DOI | 10.3133/tem943 |
| Year Published | 1958 |
| Language | ENGLISH |
| Description | 19 p.; 1 plate, 2 tables |