Published 1986 | Version v1
Journal article

Loellingite, uraninite and products of its alteration within pegmatite from Corrego do Urucum (Minas Gerais - Brazil)

Description

The zoned Corrego do Urucum granitic pegmatite lies in Governador Valadares, in Minas Gerais State - Brazil. Opaque minerals are described: loellingite, bismuth, tennantite, covellite, hematite, pyrite and uraninite, like that products proceeding from arsenate and phosphate alteration. The minerals were characterized by X-ray fluorescence analysis and chemical analysis. (Author)

Abstract (Portuguese)

Pegmatita granitica do Corrego do Urucum dividido em zonas, encontra-se em Governador Valadares, Estado de Minas Gerais. Descrevem-se os minerais opacos: loelingita, bismuto, tenantita, covelita, hematita, pirita e uraninita, assim como os minerais provenientes da alteracao dos arseniatos e fosfatos. Os minerais foram caracterizados atraves de analise de fluorescencia de raios-X e analise quimica. (M.C.K.)

Additional details

Additional titles

Original title (French)
Loellingite, uraninite et produits de leur alteration dans la pegmatite de l'Urucum (Minas Gerais)

Publishing Information

Journal Title
An. Acad. Bras. Cienc.
Journal Volume
58
Journal Issue
2
Series
An. Acad. Bras. Cienc.
Journal Page Range
249-266
ISSN
0001-3765
CODEN
AABCA