Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)

Detalhes bibliográficos
Autor(a) principal: Vieira, Ana Carolina Batista
Data de Publicação: 2020
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Institucional da UFVJM
Texto Completo: http://acervo.ufvjm.edu.br/jspui/handle/1/2434
Resumo: Textos da obra em outro idioma: (Ingl?s) p. 39-52, p. 85-100.
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spelling Vieira, Ana Carolina BatistaAlmeida Abreu, Pedro ?ngeloViana, R?bia RibeiroGervasoni, FernandaBattilani, Gislaine Amor?sUniversidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)Almeida Abreu, Pedro ?ngelo2021-02-26T20:52:33Z2021-02-26T20:52:33Z20202020-08-03VIEIRA, Ana Carolina Batista. Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG). 2020. 100 p. Disserta??o (Mestrado em Geologia) ? Programa de P?s-gradua??o em Geologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2020.http://acervo.ufvjm.edu.br/jspui/handle/1/2434Textos da obra em outro idioma: (Ingl?s) p. 39-52, p. 85-100.A mina de diamante da ?gua Suja ? a mais antiga do Tri?ngulo Mineiro, sendo explorada desde 1888 em dep?sitos aluvionares. A presen?a de grandes diamantes nas drenagens da regi?o motivou os primeiros trabalhos de prospec??o de fontes prim?rias do diamante na regi?o, como em Coromandel, Carmo do Parana?ba, e Abaet?. Embora os estudos na regi?o venham de longa data, nota-se uma car?ncia de informa??es sobre a fonte prim?ria do diamante de Romaria, principalmente devido ao intenso intemperismo e aus?ncia de rochas frescas pr?ximas ao dep?sito diamant?fero. O objetivo deste trabalho consiste na caracteriza??o geol?gica do dep?sito diamant?fero de Romaria com base na qu?mica mineral de minerais sat?lites do diamante e levantamentos de campo que buscam caracterizar os ambientes sedimentares e associa??es faciol?gicas dos n?veis diamant?feros. As rochas kimberl?ticas e lampro?ticas na ?rea pertencem a Prov?ncia ?gnea do Alto Parana?ba (PIAP) e s?o correlacionadas ao soerguimento do Arco do Alto Parana?ba, com magmatismo atribu?do ? intera??o das plumas mant?licas Trist?o da Cunha e Trindade durante a abertura do Atl?ntico Sul, com magmas de afinidade alcalina. Gr?os de granada, ilmenita e turmalina foram separados da brecha diamant?fera de Romaria denomidada ?Tau?? e foram analisados em microssonda eletr?nica. As composi??es de granada s?o compat?veis com os tipos G10, G9 e G5. Os gr?os de ilmenita apresentam alto teor de Mg e Mn, ao passo que os gr?os de turmalina s?o do tipo dravita, rara associa??o com diamante em rochas de afinidade lampro?tica. A sucess?o vulcanocl?stica da Mina da ?gua Suja tem sido correlacionada ? Forma??o Mar?lia ou ? Forma??o Uberaba, com ambiente clim?tico das bacias deposicionais reportado como ?rido a semi-?rido, enquanto as rochas de Romaria indicam ambiente clim?tico ?mido devido ? presen?a de clastos de caulim e a intercala??o de pelitos e n?veis conglomer?ticos. A escassez de rocha fresca nas proximidades do dep?sito diamant?fero de Romaria dificulta a interpreta??o e caracteriza??o faciologica, habitualmente usada para rochas kimberl?ticas e lampro?ticas. As diferen?as nas colunas litoestratigr?ficas e, possivelmente, na idade de deposi??o e caracter?sticas clim?ticas dos respectivos meios sedimentares, inviabiliza correla??o entre a sucess?o de Romaria com as Forma??es Mar?lia e Uberaba. A assembleia mineral?gica descrita permite associar o dep?sito a uma poss?vel fonte lampro?tica.Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2021-02-26T20:52:00Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) ana_carolina_batista_vieira.pdf: 6760131 bytes, checksum: 531c595f6f84194d54ea40fe2a08a32a (MD5)Approved for entry into archive by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2021-02-26T20:52:33Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) ana_carolina_batista_vieira.pdf: 6760131 bytes, checksum: 531c595f6f84194d54ea40fe2a08a32a (MD5)Made available in DSpace on 2021-02-26T20:52:33Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) ana_carolina_batista_vieira.pdf: 6760131 bytes, checksum: 531c595f6f84194d54ea40fe2a08a32a (MD5) Previous issue date: 2020Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)Disserta??o (Mestrado) ? Programa de P?s-gradua??o em Geologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2020.The ?gua Suja diamond mine is the oldest in the Tri?ngulo Mineiro, and has been explored since 1888 in alluvial deposits. The presence of large diamonds in the region's drainages motivated the first prospecting works for primary diamond sources in the region, such as in Coromandel, Carmo do Parana?ba, and Abaet?. Although studies in the region have been going on for a long time, there is a lack of information on the primary source of the Romaria diamond, mainly due to the intense weathering and absence of fresh rocks near the diamond deposit. The objective of this work is the geological characterization of the diamond deposit of Romaria based on the mineral chemistry of the satellite minerals of the diamond and field surveys that seek to characterize the sedimentary environments and faciological associations of the diamond levels. The kimberlitic and lamproitic rocks in the area belong to the Igneous Province of Alto Parana?ba (PIAP) and are correlated to the uplift of the Arco do Alto Parana?ba, with magmatism attributed to the mantle plumes Trist?o da Cunha and Trindade during the opening of the South Atlantic, with magmas of affinity alkaline. Grains of garnet, ilmenite and tourmaline were separated from the diamond hole in Romaria called ?Tau?? and were analyzed using an electronic probe. The garnet compositions are compatible with types G10, G9 and G5. Ilmenite grains have a high content of Mg and Mn, whereas tourmaline grains are of the dravite type, rare association with diamond in rocks of lamproitic affinity. The volcanoclastic succession of the ?gua Suja Mine has been correlated to the Mar?lia Formation or to the Uberaba Formation, with the climatic environment of these basins reported as arid to semi-arid, while the Romaria rocks indicate a humid climatic environment due to the presence of kaolin clasts and the interleaving of pelite and conglomeratic levels. While the scarcity of fresh rock in the vicinity of the Romaria diamond deposit makes it difficult to interpret and characterize the usual physiological characteristics of kimberlitic and lamproitic rocks. The differences in the lithostratigraphic columns and, possibly, in the age of deposition and climatic characteristics of the respective sedimentary media, make it impossible to correlate the succession of Romaria with the Mar?lia and Uberaba Formations. The described mineralogical assembly allows the deposit to be associated with a possible lamproitic source.porUFVJMA concess?o da licen?a deste item refere-se ao ? termo de autoriza??o impresso assinado pelo autor, assim como na licen?a Creative Commons, com as seguintes condi??es: Na qualidade de titular dos direitos de autor da publica??o, autorizo a Universidade Federal dos Vales do Jequitinhonha e Mucuri e o IBICT a disponibilizar por meio de seus reposit?rios, sem ressarcimento dos direitos autorais, de acordo com a Lei n? 9610/98, o texto integral da obra disponibilizada, conforme permiss?es assinaladas, para fins de leitura, impress?o e/ou download, a t?tulo de divulga??o da produ??o cient?fica brasileira, e preserva??o, a partir desta data.info:eu-repo/semantics/openAccessGeologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisRomariaAlto Parana?baKimberlitoDiamanteQu?mica mineralKimberliteDiamondMineral chemistryreponame:Repositório Institucional da UFVJMinstname:Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)instacron:UFVJMTEXTana_carolina_batista_vieira.pdf.txtana_carolina_batista_vieira.pdf.txtExtracted texttext/plain215886http://acervo.ufvjm.edu.br/jspui/bitstream/1/2434/6/ana_carolina_batista_vieira.pdf.txt08e1fa799b8689db129c522996218e52MD56LICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)
title Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)
spellingShingle Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)
Vieira, Ana Carolina Batista
Romaria
Alto Parana?ba
Kimberlito
Diamante
Qu?mica mineral
Kimberlite
Diamond
Mineral chemistry
title_short Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)
title_full Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)
title_fullStr Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)
title_full_unstemmed Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)
title_sort Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG)
author Vieira, Ana Carolina Batista
author_facet Vieira, Ana Carolina Batista
author_role author
dc.contributor.referee.none.fl_str_mv Almeida Abreu, Pedro ?ngelo
Viana, R?bia Ribeiro
Gervasoni, Fernanda
dc.contributor.advisorco.none.fl_str_mv Battilani, Gislaine Amor?s
dc.contributor.institution.pt_BR.fl_str_mv Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
dc.contributor.author.fl_str_mv Vieira, Ana Carolina Batista
dc.contributor.advisor1.fl_str_mv Almeida Abreu, Pedro ?ngelo
contributor_str_mv Almeida Abreu, Pedro ?ngelo
dc.subject.keyword.pt_BR.fl_str_mv Romaria
Alto Parana?ba
Kimberlito
Diamante
Qu?mica mineral
topic Romaria
Alto Parana?ba
Kimberlito
Diamante
Qu?mica mineral
Kimberlite
Diamond
Mineral chemistry
dc.subject.keyword.en.fl_str_mv Kimberlite
Diamond
Mineral chemistry
description Textos da obra em outro idioma: (Ingl?s) p. 39-52, p. 85-100.
publishDate 2020
dc.date.submitted.none.fl_str_mv 2020-08-03
dc.date.issued.fl_str_mv 2020
dc.date.accessioned.fl_str_mv 2021-02-26T20:52:33Z
dc.date.available.fl_str_mv 2021-02-26T20:52:33Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.citation.fl_str_mv VIEIRA, Ana Carolina Batista. Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG). 2020. 100 p. Disserta??o (Mestrado em Geologia) ? Programa de P?s-gradua??o em Geologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2020.
dc.identifier.uri.fl_str_mv http://acervo.ufvjm.edu.br/jspui/handle/1/2434
identifier_str_mv VIEIRA, Ana Carolina Batista. Geologia, qu?mica mineral e poss?veis implica??es gen?ticas do dep?sito diamant?fero de Romaria (MG). 2020. 100 p. Disserta??o (Mestrado em Geologia) ? Programa de P?s-gradua??o em Geologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2020.
url http://acervo.ufvjm.edu.br/jspui/handle/1/2434
dc.language.iso.fl_str_mv por
language por
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv UFVJM
publisher.none.fl_str_mv UFVJM
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFVJM
instname:Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
instacron:UFVJM
instname_str Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
instacron_str UFVJM
institution UFVJM
reponame_str Repositório Institucional da UFVJM
collection Repositório Institucional da UFVJM
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