Geochemistry of gold in Archean granulite facies terrains

Detalhes bibliográficos
Autor(a) principal: Sighinolfi, G.Paolo
Data de Publicação: 1976
Outros Autores: Santos, Adelaide M.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/9979
Resumo: Texto completo. Acesso restrito. p. 113–123
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spelling Sighinolfi, G.PaoloSantos, Adelaide M.Sighinolfi, G.PaoloSantos, Adelaide M.2013-04-22T19:33:19Z2013-04-22T19:33:19Z19760009-2541http://www.repositorio.ufba.br/ri/handle/ri/9979v. 17Texto completo. Acesso restrito. p. 113–123Gold distribution in Archean--Precambrian granulite facies terrains from Bahia state, Brazil, is investigated by means of flameless A.A. spectroscopy. The average Au content for 105 samples is 1.51 ppb, which is appreciably lower than normal values for intermediate- mafic igneous and sedimentary rocks. Gold distribution is discussed in terms of the possible effects of high-grade metamorphism and the composition of the initial material. Compositional patterns suggest that metamorphism had little influence on primary Au distribution. Alternatively, if Au was mobilized in the fluids generated by dehydration reactions, most of it would have been reprecipitated not far from the starting point. Acidintermediate igneous and non-mature sediments predominate within the initial material of the Archean granulites.Submitted by Santiago Fabio (fabio.ssantiago@hotmail.com) on 2013-03-04T18:56:05Z No. of bitstreams: 1 444.pdf: 1219822 bytes, checksum: 173472f434ba249a61ec053161db0aba (MD5)Approved for entry into archive by Rodrigo Meirelles(rodrigomei@ufba.br) on 2013-04-22T19:33:19Z (GMT) No. of bitstreams: 1 444.pdf: 1219822 bytes, checksum: 173472f434ba249a61ec053161db0aba (MD5)Made available in DSpace on 2013-04-22T19:33:19Z (GMT). No. of bitstreams: 1 444.pdf: 1219822 bytes, checksum: 173472f434ba249a61ec053161db0aba (MD5) Previous issue date: 1976SalvadorChemical Geologyhttp://dx.doi.org/10.1016/0009-2541(76)90025-5reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAGeochemistry of gold in Archean granulite facies terrainsChemical Geologyinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleenginfo:eu-repo/semantics/openAccessORIGINAL444.pdf444.pdfapplication/pdf1219822https://repositorio.ufba.br/bitstream/ri/9979/1/444.pdf173472f434ba249a61ec053161db0abaMD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/9979/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXT444.pdf.txt444.pdf.txtExtracted texttext/plain11https://repositorio.ufba.br/bitstream/ri/9979/3/444.pdf.txtb308b7fe5c1c2bbdc0cb686d451b84aaMD53ri/99792022-08-08 13:20:16.072oai:repositorio.ufba.br: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Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-08-08T16:20:16Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false
dc.title.pt_BR.fl_str_mv Geochemistry of gold in Archean granulite facies terrains
dc.title.alternative.pt_BR.fl_str_mv Chemical Geology
title Geochemistry of gold in Archean granulite facies terrains
spellingShingle Geochemistry of gold in Archean granulite facies terrains
Sighinolfi, G.Paolo
title_short Geochemistry of gold in Archean granulite facies terrains
title_full Geochemistry of gold in Archean granulite facies terrains
title_fullStr Geochemistry of gold in Archean granulite facies terrains
title_full_unstemmed Geochemistry of gold in Archean granulite facies terrains
title_sort Geochemistry of gold in Archean granulite facies terrains
author Sighinolfi, G.Paolo
author_facet Sighinolfi, G.Paolo
Santos, Adelaide M.
author_role author
author2 Santos, Adelaide M.
author2_role author
dc.contributor.author.fl_str_mv Sighinolfi, G.Paolo
Santos, Adelaide M.
Sighinolfi, G.Paolo
Santos, Adelaide M.
description Texto completo. Acesso restrito. p. 113–123
publishDate 1976
dc.date.issued.fl_str_mv 1976
dc.date.accessioned.fl_str_mv 2013-04-22T19:33:19Z
dc.date.available.fl_str_mv 2013-04-22T19:33:19Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/9979
dc.identifier.issn.none.fl_str_mv 0009-2541
dc.identifier.number.pt_BR.fl_str_mv v. 17
identifier_str_mv 0009-2541
v. 17
url http://www.repositorio.ufba.br/ri/handle/ri/9979
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Chemical Geology
publisher.none.fl_str_mv Chemical Geology
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1016/0009-2541(76)90025-5
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
instacron:UFBA
instname_str Universidade Federal da Bahia (UFBA)
instacron_str UFBA
institution UFBA
reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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