Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia

[eng] The Santa Fe mining district is located in the Central Andean tin belt of Bolivia and contains several Sn-Zn-Pb-Ag deposits. From the economic point of view, the most important deposits of the district are Japo, Santa Fe and Morococala. Beyond the traditional metal commodities, the Central And...

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Autores: Jiménez Franco, Ma. Abigail, Alfonso Abella, María Pura, Canet i Miquel, Carles, Lunario, Elvys Trujillo
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2018
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/188558
Acceso en línea:https://hdl.handle.net/2445/188558
Access Level:acceso abierto
Palabra clave:Indi (Metall)
Mines
Química mineralògica
Bolívia
Indium
Mines and mineral resources
Mineralogical chemistry
Bolivia
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spelling Mineral chemistry of In-bearing minerals in the Santa Fe mining district, BoliviaJiménez Franco, Ma. AbigailAlfonso Abella, María PuraCanet i Miquel, CarlesLunario, Elvys TrujilloIndi (Metall)MinesQuímica mineralògicaBolíviaIndiumMines and mineral resourcesMineralogical chemistryBolivia[eng] The Santa Fe mining district is located in the Central Andean tin belt of Bolivia and contains several Sn-Zn-Pb-Ag deposits. From the economic point of view, the most important deposits of the district are Japo, Santa Fe and Morococala. Beyond the traditional metal commodities, the Central Andean Tin Belt could become an exploration target for indium, owing to the potential of the ore-bearing paragenesis with high concentrations of this technology-critical element. In the Santa Fe mining district, the ore occurs as two main types: (a) Sn-rich cassiterite-quartz veins, and (b) Zn-Pb-Ag veins with sphalerite, galena and stannite mineral phases. The In content in igneous rocks is between 1.5 and 2.5 ppm, whereas in the ore concentrate it attains up to 200 ppm. The 1,000×In/Zn ratio in concentrate ranges from 25 up to 4,000. Exceptionally high In values were found in sakuraiite from Morococala deposit (2.03 wt%). Sakuraiite in this deposit shows evidences for a link between stannite and kësterite trend of solid solutions. There is a noteworthy exploration potential for strategic metals in this district and even in similar deposits elsewhere in the Central Andean tin belt.[spa] El distrito minero Santa Fe se encuentra ubicado en la Faja Estannífera de la cordillera Central Andina de Bolivia, que aloja diversos depósitos de Sn-Zn-Pb-Ag. Desde el punto de vista económico, los depósitos más importantes en este distrito son los de Japo, Santa Fe y Morococala. Más allá de los productos metálicos tradicionales, la Faja Estannífera podría convertirse en un blanco de exploración para elementos como el indio, por el potencial de su paragénesis mineral con altas concentraciones de este elemento, crítico para el desarrollo de tecnología. Los yacimientos minerales del distrito de Santa Fe se presentan en dos tipos principales: (a) depósitos ricos en Sn, constituidos por vetas de cuarzo con casiterita, y (b) depósitos diseminados de Zn-Pb-Ag, con esfalerita, galena y estannita. El contenido de In en las rocas ígneas del distrito, varía entre 1,5 y 2,5 ppm, mientras que en el concentrado de los minerales de mena alcanza hasta 200 ppm de In. Asimismo, la razón 1.000×In/Zn en concentrados de mineral oscila entre 25 y 4.000. Fases de sakuraiíta del yacimiento de Morococala contienen valores excepcionales de In (hasta 2.03% en peso). La sakuraiíta en el distrito minero de Santa Fe muestra evidencia de ser el vínculo mineralógico entre la tendencia general de las soluciones sólidas de estannita y kësterita. Existe un potencial de exploración obvio para metales estratégicos en este distrito e incluso en depósitos similares en otras zonas de la Faja Estannífera en la cordillera Central Andina.Servicio Nacional de Geología y Minería2018info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/188558Articles publicats en revistes (Història i Arqueologia)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció del document publicat a: https://doi.org/10.5027/andgeoV45n3-3052Andean Geology, 2018, vol. 45, num. 3, p. 410-432https://doi.org/10.5027/andgeoV45n3-3052cc-by (c) Jiménez Franco, Ma. Abigail et al., 2018https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/1885582026-05-27T06:46:51Z
dc.title.none.fl_str_mv Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia
title Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia
spellingShingle Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia
Jiménez Franco, Ma. Abigail
Indi (Metall)
Mines
Química mineralògica
Bolívia
Indium
Mines and mineral resources
Mineralogical chemistry
Bolivia
title_short Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia
title_full Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia
title_fullStr Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia
title_full_unstemmed Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia
title_sort Mineral chemistry of In-bearing minerals in the Santa Fe mining district, Bolivia
dc.creator.none.fl_str_mv Jiménez Franco, Ma. Abigail
Alfonso Abella, María Pura
Canet i Miquel, Carles
Lunario, Elvys Trujillo
author Jiménez Franco, Ma. Abigail
author_facet Jiménez Franco, Ma. Abigail
Alfonso Abella, María Pura
Canet i Miquel, Carles
Lunario, Elvys Trujillo
author_role author
author2 Alfonso Abella, María Pura
Canet i Miquel, Carles
Lunario, Elvys Trujillo
author2_role author
author
author
dc.subject.none.fl_str_mv Indi (Metall)
Mines
Química mineralògica
Bolívia
Indium
Mines and mineral resources
Mineralogical chemistry
Bolivia
topic Indi (Metall)
Mines
Química mineralògica
Bolívia
Indium
Mines and mineral resources
Mineralogical chemistry
Bolivia
description [eng] The Santa Fe mining district is located in the Central Andean tin belt of Bolivia and contains several Sn-Zn-Pb-Ag deposits. From the economic point of view, the most important deposits of the district are Japo, Santa Fe and Morococala. Beyond the traditional metal commodities, the Central Andean Tin Belt could become an exploration target for indium, owing to the potential of the ore-bearing paragenesis with high concentrations of this technology-critical element. In the Santa Fe mining district, the ore occurs as two main types: (a) Sn-rich cassiterite-quartz veins, and (b) Zn-Pb-Ag veins with sphalerite, galena and stannite mineral phases. The In content in igneous rocks is between 1.5 and 2.5 ppm, whereas in the ore concentrate it attains up to 200 ppm. The 1,000×In/Zn ratio in concentrate ranges from 25 up to 4,000. Exceptionally high In values were found in sakuraiite from Morococala deposit (2.03 wt%). Sakuraiite in this deposit shows evidences for a link between stannite and kësterite trend of solid solutions. There is a noteworthy exploration potential for strategic metals in this district and even in similar deposits elsewhere in the Central Andean tin belt.
publishDate 2018
dc.date.none.fl_str_mv 2018
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/188558
url https://hdl.handle.net/2445/188558
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.5027/andgeoV45n3-3052
Andean Geology, 2018, vol. 45, num. 3, p. 410-432
https://doi.org/10.5027/andgeoV45n3-3052
dc.rights.none.fl_str_mv cc-by (c) Jiménez Franco, Ma. Abigail et al., 2018
https://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by (c) Jiménez Franco, Ma. Abigail et al., 2018
https://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Servicio Nacional de Geología y Minería
publisher.none.fl_str_mv Servicio Nacional de Geología y Minería
dc.source.none.fl_str_mv Articles publicats en revistes (Història i Arqueologia)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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