Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia

Detalhes bibliográficos
Autor(a) principal: Dias, Carlos Augusto Tavares [UNESP]
Data de Publicação: 2013
Outros Autores: Leite Junior, Washington Barbosa [UNESP], Muzzolon, Renato, Bettencourt, Jorge Silva
Tipo de documento: Artigo
Idioma: eng
por
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://hdl.handle.net/11449/227612
Resumo: Bom Futuro Mine is located in the center-north region of Rondônia and it includes two hills named Palanqueta and Bom Futuro and the adjacent flattened areas as well. The main extraction areas of cassiterite occur in the surrounding placers of Bom Futuro hill, also in the primary deposits located in the hill itself. Such primary deposits are restricted to the bodies of pegmatite, which were formed in at least two distinct events. The Cascavel pegmatite belongs to the older event and it is composed by the main lenses and a swarm of dikes, veins and veinlets with NNW/35oENE general attitude. The bodies are massif or zoned and in the main lenses, three distinct zones were recognized under the form of sub-parallel layers among themselves and the walls of the lenses. From the wall to the roof there are: quartz and topaz zone, alkaline feldspar and Li-mica, and granitic zone. The main minerals of Cascavel pegmatite are quartz, alkaline feldspar, topaz, and Li-mica, and the subordinate minerals are cassiterite, sulfides (sphalerite, chalcopyrite, pyrite, galena, stannite), zircon, monazite, wolframite, uraninite, columbite-tantalite, and niobian rutile. The Cascavel pegmatite is a complex rare-element pegmatite belonging to LCT family and is spatially and temporally related to the late-stage peraluminous A-type granites of the Younger Granites of Rondônia.
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spelling Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, RondôniaGeology and mineralogy of rattlesnake pegmatite tinny, mine good future, RondôniaBom Futuro MineCassiteritePegmatiteRondôniaTinBom Futuro Mine is located in the center-north region of Rondônia and it includes two hills named Palanqueta and Bom Futuro and the adjacent flattened areas as well. The main extraction areas of cassiterite occur in the surrounding placers of Bom Futuro hill, also in the primary deposits located in the hill itself. Such primary deposits are restricted to the bodies of pegmatite, which were formed in at least two distinct events. The Cascavel pegmatite belongs to the older event and it is composed by the main lenses and a swarm of dikes, veins and veinlets with NNW/35oENE general attitude. The bodies are massif or zoned and in the main lenses, three distinct zones were recognized under the form of sub-parallel layers among themselves and the walls of the lenses. From the wall to the roof there are: quartz and topaz zone, alkaline feldspar and Li-mica, and granitic zone. The main minerals of Cascavel pegmatite are quartz, alkaline feldspar, topaz, and Li-mica, and the subordinate minerals are cassiterite, sulfides (sphalerite, chalcopyrite, pyrite, galena, stannite), zircon, monazite, wolframite, uraninite, columbite-tantalite, and niobian rutile. The Cascavel pegmatite is a complex rare-element pegmatite belonging to LCT family and is spatially and temporally related to the late-stage peraluminous A-type granites of the Younger Granites of Rondônia.Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, IGCE/UNESP, Avenida 24-A, 1515, Bela Vista, CEP 13506-900. Rio Claro, SPDepartamento de Petrologia e Metalogenia, Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, IGCE/UNESP, Avenida 24-A, 1515, Bela Vista, CEP 13506-900. Rio Claro, SPAVISTAR Engenharia, Avenida Visconde de Guarapuava, 1891, CEP 80060-060. Curitiba, PRInstituto de Geociências, Universidade de São Paulo, Rua do Lago, 562, Cidade Universitaria. CEP 05508-080. Sao Paulo, SPInstituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, IGCE/UNESP, Avenida 24-A, 1515, Bela Vista, CEP 13506-900. Rio Claro, SPDepartamento de Petrologia e Metalogenia, Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, IGCE/UNESP, Avenida 24-A, 1515, Bela Vista, CEP 13506-900. Rio Claro, SPUniversidade Estadual Paulista (UNESP)AVISTAR EngenhariaUniversidade de São Paulo (USP)Dias, Carlos Augusto Tavares [UNESP]Leite Junior, Washington Barbosa [UNESP]Muzzolon, RenatoBettencourt, Jorge Silva2022-04-29T07:14:14Z2022-04-29T07:14:14Z2013-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article731-745Geociencias, v. 32, n. 4, p. 731-745, 2013.1980-900X0101-9082http://hdl.handle.net/11449/2276122-s2.0-84896299470Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengporGeocienciasinfo:eu-repo/semantics/openAccess2022-04-29T07:14:15Zoai:repositorio.unesp.br:11449/227612Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:26:12.800792Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia
Geology and mineralogy of rattlesnake pegmatite tinny, mine good future, Rondônia
title Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia
spellingShingle Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia
Dias, Carlos Augusto Tavares [UNESP]
Bom Futuro Mine
Cassiterite
Pegmatite
Rondônia
Tin
title_short Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia
title_full Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia
title_fullStr Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia
title_full_unstemmed Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia
title_sort Geologia e mineralogia do pegmatito estanífero cascavel, mina bom futuro, Rondônia
author Dias, Carlos Augusto Tavares [UNESP]
author_facet Dias, Carlos Augusto Tavares [UNESP]
Leite Junior, Washington Barbosa [UNESP]
Muzzolon, Renato
Bettencourt, Jorge Silva
author_role author
author2 Leite Junior, Washington Barbosa [UNESP]
Muzzolon, Renato
Bettencourt, Jorge Silva
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (UNESP)
AVISTAR Engenharia
Universidade de São Paulo (USP)
dc.contributor.author.fl_str_mv Dias, Carlos Augusto Tavares [UNESP]
Leite Junior, Washington Barbosa [UNESP]
Muzzolon, Renato
Bettencourt, Jorge Silva
dc.subject.por.fl_str_mv Bom Futuro Mine
Cassiterite
Pegmatite
Rondônia
Tin
topic Bom Futuro Mine
Cassiterite
Pegmatite
Rondônia
Tin
description Bom Futuro Mine is located in the center-north region of Rondônia and it includes two hills named Palanqueta and Bom Futuro and the adjacent flattened areas as well. The main extraction areas of cassiterite occur in the surrounding placers of Bom Futuro hill, also in the primary deposits located in the hill itself. Such primary deposits are restricted to the bodies of pegmatite, which were formed in at least two distinct events. The Cascavel pegmatite belongs to the older event and it is composed by the main lenses and a swarm of dikes, veins and veinlets with NNW/35oENE general attitude. The bodies are massif or zoned and in the main lenses, three distinct zones were recognized under the form of sub-parallel layers among themselves and the walls of the lenses. From the wall to the roof there are: quartz and topaz zone, alkaline feldspar and Li-mica, and granitic zone. The main minerals of Cascavel pegmatite are quartz, alkaline feldspar, topaz, and Li-mica, and the subordinate minerals are cassiterite, sulfides (sphalerite, chalcopyrite, pyrite, galena, stannite), zircon, monazite, wolframite, uraninite, columbite-tantalite, and niobian rutile. The Cascavel pegmatite is a complex rare-element pegmatite belonging to LCT family and is spatially and temporally related to the late-stage peraluminous A-type granites of the Younger Granites of Rondônia.
publishDate 2013
dc.date.none.fl_str_mv 2013-01-01
2022-04-29T07:14:14Z
2022-04-29T07:14:14Z
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 Geociencias, v. 32, n. 4, p. 731-745, 2013.
1980-900X
0101-9082
http://hdl.handle.net/11449/227612
2-s2.0-84896299470
identifier_str_mv Geociencias, v. 32, n. 4, p. 731-745, 2013.
1980-900X
0101-9082
2-s2.0-84896299470
url http://hdl.handle.net/11449/227612
dc.language.iso.fl_str_mv eng
por
language eng
por
dc.relation.none.fl_str_mv Geociencias
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 731-745
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
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