Thallium in deep-seated crustal rocks

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Campo DC	Valor	Idioma
dc.contributor.author	Sighinolfi, G.Paolo	-
dc.contributor.author	Santos, Adelaide M.	-
dc.creator	Sighinolfi, G.Paolo	-
dc.creator	Santos, Adelaide M.	-
dc.date.accessioned	2013-04-20T15:06:39Z	-
dc.date.available	2013-04-20T15:06:39Z	-
dc.date.issued	1974	-
dc.identifier.issn	0016-7037	-
dc.identifier.uri	http://www.repositorio.ufba.br/ri/handle/ri/9943	-
dc.description	Texto completo. Acesso restrito. p. 641–646	pt_BR
dc.description.abstract	A Precambrian granulite terrain of the Brazilian shield presents an average Tl content of 350 ppb, very near to Shaw’s figure for the lower continental crust. Thallium, &8 in other rock types, shows close coherence with Rb and K. The mean Rb/Tl value (193 for 53 samples) falls in the range of the ‘normal’ crustal values, while the K/T1 values (145,000 average) are higher than values for igneous rocks, aa are the values for K/Rb. The results support the authors’ hypothesis that granulitic rocks have undergone partial melting with contemporaneous depletion of Rb and Tl in relation to K.	pt_BR
dc.language.iso	en	pt_BR
dc.publisher	Geochimica et Cosmochimica Acta	pt_BR
dc.source	http://dx.doi.org/10.1016/0016-7037(74)90047-7	pt_BR
dc.title	Thallium in deep-seated crustal rocks	pt_BR
dc.title.alternative	Geochimica et Cosmochimica Acta	pt_BR
dc.type	Artigo de Periódico	pt_BR
dc.description.localpub	Salvador	pt_BR
dc.identifier.number	v. 38, n. 4	pt_BR
Aparece nas coleções:	Artigo Publicado em Periódico (IGEO)

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