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D/H and 18O/16O Ratios in Waters Contained in Geodes from the Basaltic Province of Rio Grande do Sul, Brazil

1974; Geological Society of America; Volume: 85; Issue: 4 Linguagem: Inglês

10.1130/0016-7606(1974)85 2.0.co;2

ISSN

1943-2674

Autores

Eiichi Matsui, Enéas Salati, Onildo João Marini,

Tópico(s)

Radioactive contamination and transfer

Resumo

Research Article| April 01, 1974 D/H and 18O/16O Ratios in Waters Contained in Geodes from the Basaltic Province of Rio Grande do Sul, Brazil EIICHI MATSUI; EIICHI MATSUI 1Centro de Energia Nuclear na Agricultura, Caixa Postal 96,13.400 Piracicaba, S.P. Brasil Search for other works by this author on: GSW Google Scholar ENEAS SALATI; ENEAS SALATI 1Centro de Energia Nuclear na Agricultura, Caixa Postal 96,13.400 Piracicaba, S.P. Brasil Search for other works by this author on: GSW Google Scholar O. J. MARINI O. J. MARINI 2Departamento de Geociéncias da Universidade de Brasília, D.F. Brasil Search for other works by this author on: GSW Google Scholar Author and Article Information EIICHI MATSUI 1Centro de Energia Nuclear na Agricultura, Caixa Postal 96,13.400 Piracicaba, S.P. Brasil ENEAS SALATI 1Centro de Energia Nuclear na Agricultura, Caixa Postal 96,13.400 Piracicaba, S.P. Brasil O. J. MARINI 2Departamento de Geociéncias da Universidade de Brasília, D.F. Brasil Publisher: Geological Society of America First Online: 01 Jun 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Geological Society of America GSA Bulletin (1974) 85 (4): 577–580. https://doi.org/10.1130/0016-7606(1974)85 2.0.CO;2 Article history First Online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation EIICHI MATSUI, ENEAS SALATI, O. J. MARINI; D/H and 18O/16O Ratios in Waters Contained in Geodes from the Basaltic Province of Rio Grande do Sul, Brazil. GSA Bulletin 1974;; 85 (4): 577–580. doi: https://doi.org/10.1130/0016-7606(1974)85 2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract Analyses of the 18O and deuterium (D) concentrations in water contained in chalcedony and quartz geodes of Salto do Jacui, in Rio Grande do Sul, Brazil, indicate small variation in the isotopic concentrations of fluid, averaging about − 5.0‰ (per mille) for δ18O and −27‰ or δD relative to Standard Mean Ocean Water (SMOW). The geodes studied were collected in primary or sedimentary clay soil resulting from the decomposition of Cretaceous basalt. Comparisons with postulated juvenile and meteoric waters are made in an attempt to obtain further information on the genesis of the studied geodes. The isotopic concentrations indicate that the waters contained in these geodes are meteoric. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.

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