Published 1980
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Preliminary studies on fluid inclusions in metasomatic albite grains from Lagoa Real, Caetite, Ba, Brazil
Description
Preliminary fluid inclusion studies in metasomatic albite grains from the Lagoa Real uranium deposit pointed out to mixing of strong brines (23 wt% NaCl equivalent) with low salinity fluids (2.3 wt% NaCl equivalent). Microthermometry and crushing tests indicated elevated pressures and the presence of hidrocarbons in larger amount than CO2. The remobilization of uranium as uranyl carbonate complexes and its precipitation, reducing U6+ to U4+ by CH4, is considered as a possibility. (Author)
Availability note (English)
MF available from INIS under the Report Number.Abstract (Portuguese)
Estudos preliminares de inclusoes fluidas contidas em graos de albita metassomatica, proveniente do deposito de uranio da Lagoa Real conduzem a uma mistura de elevada saturacao (23% em peso de equivalente em NaCl) com fluidos de baixa salinidade (2,3% em peso de equivalente em NaCl). Os testes de microtermometria e esmagamento indicam elevadas pressoes e a presenca de hidrocarbonetos em quantidades maiores que CO2. (A.R.)Files
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Additional details
Additional titles
- Original title (Portuguese)
- Estudos preliminares de inclusoes fluidas em albita dos albititos do projeto Lagoa Real, Caetite, Ba, Brasil
Publishing Information
- Imprint Pagination
- 12 p.
- Report number
- INIS-BR--04
Conference
- Title
- 31. Brazilian Congress of Geology.
- Dates
- 19 - 25 Oct 1980.
- Place
- Camboriu, Santa Catarina (Brazil).
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 14754443
- Subject category
- S58: GEOSCIENCES; S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- CARBONATES; METAMORPHIC ROCKS; MINERALOGY; MINERALS; PRECIPITATION; SALINITY; URANIUM; URANYL COMPLEXES
- Descriptors DEC
- ACTINIDE COMPLEXES; ACTINIDES; CARBON COMPOUNDS; COMPLEXES; ELEMENTS; METALS; OXYGEN COMPOUNDS; ROCKS; SEPARATION PROCESSES; URANIUM COMPLEXES