Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks

Detalhes bibliográficos
Autor(a) principal: Argollo, R. de
Data de Publicação: 1978
Outros Autores: Schilling, J. G.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/13751
Resumo: Texto completo. Acesso restrito. p. 623–630
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spelling Argollo, R. deSchilling, J. G.Argollo, R. deSchilling, J. G.2013-11-19T20:03:06Z19780016-7037http://repositorio.ufba.br/ri/handle/ri/13751v. 42, n. 6Texto completo. Acesso restrito. p. 623–630Ge and Ga abundances in 19 petrologically and geochemically well-documented Hawaiian volcanic rocks were determined simultaneously by radiochemical neutron activation analysis. The data demonstrate a close affinity of Ga for AI and Ge for Si over the entire range of the nephelinitic, alkalic and tholeiitic lava series studied. Ga and Ge become progressively enriched in the final products of crystallization of the alkali series. No systematic pressure effect on the Ga/Al and Ge/Si ratios could be detected over the pressure range at which nephelinites, alkali olivine basalts and tholeiites have presumably been generated. Ga/Al ratio varies by less than 62% within the three Hawaiian series, and decrease slightly toward residual melts of the alkali series. Ge/Si ratio varies generally by less than 20% within the three Hawaiian series, and can, within experimental errors, be considered independent of degree of partial melting and extent of fractional crystallization effective in the generation of these lavas. We suggest that the Ge/Si ratio in basalts may be a useful mantle source indicator and should help mapping mantle heterogeneities.Submitted by Santiago Fabio (fabio.ssantiago@hotmail.com) on 2013-10-02T19:08:17Z No. of bitstreams: 1 2222222ss.pdf: 1582991 bytes, checksum: 1ed51d7bd7b1146ed1c871384934b68d (MD5)Approved for entry into archive by Rodrigo Meirelles (rodrigomei@ufba.br) on 2013-11-19T20:03:06Z (GMT) No. of bitstreams: 1 2222222ss.pdf: 1582991 bytes, checksum: 1ed51d7bd7b1146ed1c871384934b68d (MD5)Made available in DSpace on 2013-11-19T20:03:06Z (GMT). No. of bitstreams: 1 2222222ss.pdf: 1582991 bytes, checksum: 1ed51d7bd7b1146ed1c871384934b68d (MD5) Previous issue date: 1978SalvadorGeochimica et Cosmochimica ActaBrasilhttp://www-sciencedirect-com.ez10.periodicos.capes.gov.br/science/article/pii/0016703778900078reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAGe-Si and Ga-Al fractionation in Hawaiian volcanic rocksGeochimica et Cosmochimica Actainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengORIGINAL2222222ss.pdf2222222ss.pdfapplication/pdf1582991https://repositorio.ufba.br/bitstream/ri/13751/1/2222222ss.pdf1ed51d7bd7b1146ed1c871384934b68dMD51LICENSElicense.txtlicense.txttext/plain1365https://repositorio.ufba.br/bitstream/ri/13751/2/license.txt5371a150bdc863f78dcf39281543bd86MD52TEXT2222222ss.pdf.txt2222222ss.pdf.txtExtracted texttext/plain8https://repositorio.ufba.br/bitstream/ri/13751/3/2222222ss.pdf.txt8d1b69dd9bdc9df4a8073c7a8193c7afMD53ri/137512022-08-08 13:17:33.792oai:repositorio.ufba.br:ri/13751VGVybW8gZGUgTGljZW7vv71hLCBu77+9byBleGNsdXNpdm8sIHBhcmEgbyBkZXDvv71zaXRvIG5vIFJlcG9zaXTvv71yaW8gSW5zdGl0dWNpb25hbCBkYSBVRkJBLg0KDQogUGVsbyBwcm9jZXNzbyBkZSBzdWJtaXNz77+9byBkZSBkb2N1bWVudG9zLCBvIGF1dG9yIG91IHNldSByZXByZXNlbnRhbnRlIGxlZ2FsLCBhbyBhY2VpdGFyIA0KZXNzZSB0ZXJtbyBkZSBsaWNlbu+/vWEsIGNvbmNlZGUgYW8gUmVwb3NpdO+/vXJpbyBJbnN0aXR1Y2lvbmFsIGRhIFVuaXZlcnNpZGFkZSBGZWRlcmFsIGRhIEJhaGlhIA0KbyBkaXJlaXRvIGRlIG1hbnRlciB1bWEgY++/vXBpYSBlbSBzZXUgcmVwb3NpdO+/vXJpbyBjb20gYSBmaW5hbGlkYWRlLCBwcmltZWlyYSwgZGUgcHJlc2VydmHvv73vv71vLiANCkVzc2VzIHRlcm1vcywgbu+/vW8gZXhjbHVzaXZvcywgbWFudO+/vW0gb3MgZGlyZWl0b3MgZGUgYXV0b3IvY29weXJpZ2h0LCBtYXMgZW50ZW5kZSBvIGRvY3VtZW50byANCmNvbW8gcGFydGUgZG8gYWNlcnZvIGludGVsZWN0dWFsIGRlc3NhIFVuaXZlcnNpZGFkZS4NCg0KIFBhcmEgb3MgZG9jdW1lbnRvcyBwdWJsaWNhZG9zIGNvbSByZXBhc3NlIGRlIGRpcmVpdG9zIGRlIGRpc3RyaWJ1ae+/ve+/vW8sIGVzc2UgdGVybW8gZGUgbGljZW7vv71hIA0KZW50ZW5kZSBxdWU6DQoNCiBNYW50ZW5kbyBvcyBkaXJlaXRvcyBhdXRvcmFpcywgcmVwYXNzYWRvcyBhIHRlcmNlaXJvcywgZW0gY2FzbyBkZSBwdWJsaWNh77+977+9ZXMsIG8gcmVwb3NpdO+/vXJpbw0KcG9kZSByZXN0cmluZ2lyIG8gYWNlc3NvIGFvIHRleHRvIGludGVncmFsLCBtYXMgbGliZXJhIGFzIGluZm9ybWHvv73vv71lcyBzb2JyZSBvIGRvY3VtZW50bw0KKE1ldGFkYWRvcyBlc2NyaXRpdm9zKS4NCg0KIERlc3RhIGZvcm1hLCBhdGVuZGVuZG8gYW9zIGFuc2Vpb3MgZGVzc2EgdW5pdmVyc2lkYWRlIGVtIG1hbnRlciBzdWEgcHJvZHXvv73vv71vIGNpZW5077+9ZmljYSBjb20gDQphcyByZXN0cmnvv73vv71lcyBpbXBvc3RhcyBwZWxvcyBlZGl0b3JlcyBkZSBwZXJp77+9ZGljb3MuDQoNCiBQYXJhIGFzIHB1YmxpY2Hvv73vv71lcyBzZW0gaW5pY2lhdGl2YXMgcXVlIHNlZ3VlbSBhIHBvbO+/vXRpY2EgZGUgQWNlc3NvIEFiZXJ0bywgb3MgZGVw77+9c2l0b3MgDQpjb21wdWxz77+9cmlvcyBuZXNzZSByZXBvc2l077+9cmlvIG1hbnTvv71tIG9zIGRpcmVpdG9zIGF1dG9yYWlzLCBtYXMgbWFudO+/vW0gYWNlc3NvIGlycmVzdHJpdG8gDQphbyBtZXRhZGFkb3MgZSB0ZXh0byBjb21wbGV0by4gQXNzaW0sIGEgYWNlaXRh77+977+9byBkZXNzZSB0ZXJtbyBu77+9byBuZWNlc3NpdGEgZGUgY29uc2VudGltZW50bw0KIHBvciBwYXJ0ZSBkZSBhdXRvcmVzL2RldGVudG9yZXMgZG9zIGRpcmVpdG9zLCBwb3IgZXN0YXJlbSBlbSBpbmljaWF0aXZhcyBkZSBhY2Vzc28gYWJlcnRvLg==Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-08-08T16:17:33Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false
dc.title.pt_BR.fl_str_mv Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks
dc.title.alternative.pt_BR.fl_str_mv Geochimica et Cosmochimica Acta
title Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks
spellingShingle Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks
Argollo, R. de
title_short Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks
title_full Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks
title_fullStr Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks
title_full_unstemmed Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks
title_sort Ge-Si and Ga-Al fractionation in Hawaiian volcanic rocks
author Argollo, R. de
author_facet Argollo, R. de
Schilling, J. G.
author_role author
author2 Schilling, J. G.
author2_role author
dc.contributor.author.fl_str_mv Argollo, R. de
Schilling, J. G.
Argollo, R. de
Schilling, J. G.
description Texto completo. Acesso restrito. p. 623–630
publishDate 1978
dc.date.issued.fl_str_mv 1978
dc.date.accessioned.fl_str_mv 2013-11-19T20:03:06Z
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://repositorio.ufba.br/ri/handle/ri/13751
dc.identifier.issn.none.fl_str_mv 0016-7037
dc.identifier.number.pt_BR.fl_str_mv v. 42, n. 6
identifier_str_mv 0016-7037
v. 42, n. 6
url http://repositorio.ufba.br/ri/handle/ri/13751
dc.language.iso.fl_str_mv eng
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dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.publisher.none.fl_str_mv Geochimica et Cosmochimica Acta
dc.publisher.country.fl_str_mv Brasil
publisher.none.fl_str_mv Geochimica et Cosmochimica Acta
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