Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot

This study evaluates a-CI-Br systematic of fluid inclusions in fluorites from "Berbes-La Cabaña" and "La Collada" districts in Asturias (N of Spain). The fluorites were formed as H20-NaCI-Ca2CI fluids represented by primary inclusions (Lwl) showing moderate salini...

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Detalles Bibliográficos
Autores: González Laguna, Ruth, Banks, D., López García, José Ángel, Vindel, E.
Tipo de recurso: artículo
Fecha de publicación:1996
País:España
Institución:Universidad de Huelva (UHU)
Repositorio:Arias Montano. Repositorio Institucional de la Universidad de Huelva
Idioma:español
OAI Identifier:oai:ariasmontano.uhu.es:10272/13277
Acceso en línea:http://hdl.handle.net/10272/13277
Access Level:acceso abierto
Palabra clave:Fluid chemistry
Fluid inclusions
Fluorite
Asturias
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spelling Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quotBerbes-La Cabaña&quoty &quotLa Collada&quot(Asturias)The chemistry and origin of the fluids related to the fluorites from &quotBerbes-La Cabaña&quotand La Collada&quot(Asturias)González Laguna, RuthBanks, D.López García, José ÁngelVindel, E.Fluid chemistryFluid inclusionsFluoriteAsturiasThis study evaluates a-CI-Br systematic of fluid inclusions in fluorites from "Berbes-La Cabaña" and "La Collada" districts in Asturias (N of Spain). The fluorites were formed as H20-NaCI-Ca2CI fluids represented by primary inclusions (Lwl) showing moderate salinity (Tm:-l 2.4° to -6.6°C) and homogenization temperature between 130° to 150°C. Lw2 inclusions are secondary with low salinity (Tm:-2.9 to -2.7°C) and global homogenization ranging between 130° to 135°C. Hypersaline Lw-s inclusions have distinguished in La Collada district. The high salinity of these inclusions could be explained as resulting of reequilibration processes. Comparison ofNa-CI-Br compositions show fundamental differences in halogen chemistry between two regions. Crush-leach extraction ana chemical analysis of the inclusions from "Berbes-La Cabaña fluorites reveals that the fluid chemistry is influenced by the fluid-rock interaction with Na-Ca exchange. The low concentration of Br suggest a brine derived from halite dissolution by reaction with evaporites. In contrast, Cl/ Br and Na/Br decrease strongly In brines from "La Collada" fluorites and are similar to modern seawater. These halogen ratios are consistent with solutes derived from evaporation of seawater.Sociedad Geológica de España19961996-01-0119961996-01-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10272/13277reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelvainstname:Universidad de Huelva (UHU)Españolspaopen accesshttp://purl.org/coar/access_right/c_abf2Atribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:ariasmontano.uhu.es:10272/132772026-06-02T14:58:11Z
dc.title.none.fl_str_mv Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot
Berbes-La Cabaña&quot
y &quot
La Collada&quot
(Asturias)
The chemistry and origin of the fluids related to the fluorites from &quot
Berbes-La Cabaña&quot
and La Collada&quot
(Asturias)
title Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot
spellingShingle Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot
González Laguna, Ruth
Fluid chemistry
Fluid inclusions
Fluorite
Asturias
title_short Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot
title_full Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot
title_fullStr Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot
title_full_unstemmed Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot
title_sort Geoquímica y origen de los fluidos asociados a los yacimientos de fluorita de &quot
dc.creator.none.fl_str_mv González Laguna, Ruth
Banks, D.
López García, José Ángel
Vindel, E.
author González Laguna, Ruth
author_facet González Laguna, Ruth
Banks, D.
López García, José Ángel
Vindel, E.
author_role author
author2 Banks, D.
López García, José Ángel
Vindel, E.
author2_role author
author
author
dc.contributor.none.fl_str_mv
dc.subject.none.fl_str_mv Fluid chemistry
Fluid inclusions
Fluorite
Asturias
topic Fluid chemistry
Fluid inclusions
Fluorite
Asturias
description This study evaluates a-CI-Br systematic of fluid inclusions in fluorites from "Berbes-La Cabaña" and "La Collada" districts in Asturias (N of Spain). The fluorites were formed as H20-NaCI-Ca2CI fluids represented by primary inclusions (Lwl) showing moderate salinity (Tm:-l 2.4° to -6.6°C) and homogenization temperature between 130° to 150°C. Lw2 inclusions are secondary with low salinity (Tm:-2.9 to -2.7°C) and global homogenization ranging between 130° to 135°C. Hypersaline Lw-s inclusions have distinguished in La Collada district. The high salinity of these inclusions could be explained as resulting of reequilibration processes. Comparison ofNa-CI-Br compositions show fundamental differences in halogen chemistry between two regions. Crush-leach extraction ana chemical analysis of the inclusions from "Berbes-La Cabaña fluorites reveals that the fluid chemistry is influenced by the fluid-rock interaction with Na-Ca exchange. The low concentration of Br suggest a brine derived from halite dissolution by reaction with evaporites. In contrast, Cl/ Br and Na/Br decrease strongly In brines from "La Collada" fluorites and are similar to modern seawater. These halogen ratios are consistent with solutes derived from evaporation of seawater.
publishDate 1996
dc.date.none.fl_str_mv 1996
1996-01-01
1996
1996-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10272/13277
url http://hdl.handle.net/10272/13277
dc.language.none.fl_str_mv Español
spa
language_invalid_str_mv Español
language spa
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Sociedad Geológica de España
publisher.none.fl_str_mv Sociedad Geológica de España
dc.source.none.fl_str_mv reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname:Universidad de Huelva (UHU)
instname_str Universidad de Huelva (UHU)
reponame_str Arias Montano. Repositorio Institucional de la Universidad de Huelva
collection Arias Montano. Repositorio Institucional de la Universidad de Huelva
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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