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Rozprawy doktorskie na temat „Petrology”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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Amaral, Paulo Giovany Quadros do [UNESP]. "Caracterização radiométrica e de exalação de Radônio em rochas ornamentais silicáticas beneficiadas no Estado do Espírito Santo." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/92886.

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Made available in DSpace on 2014-06-11T19:26:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-05-27Bitstream added on 2014-06-13T19:54:18Z : No. of bitstreams: 1 amaral_pgq_me_rcla.pdf: 1674976 bytes, checksum: 826cd89cad87545f6434fd2b1d645db6 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>O trabalho realizou avaliações relativas ao comportamento radiométrico e de exalação do gás radônio em rochas ornamentais e de revestimento exploradas nos estados brasileiros de Minas Gerais e Espírito Santo. Sabendo que as rochas apresentam em sua constituição de

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Amaral, Paulo Giovany Quadros do. "Caracterização radiométrica e de exalação de Radônio em rochas ornamentais silicáticas beneficiadas no Estado do Espírito Santo /." Rio Claro : [s.n.], 2011. http://hdl.handle.net/11449/92886.

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Orientador: Tamar Milca Bortolozzo Galembeck<br>Coorientador: Daniel Marcos Bonotto<br>Banca: Antonio Carlos Artur<br>Banca: Fabiano Cabañas Navarro<br>Resumo: O trabalho realizou avaliações relativas ao comportamento radiométrico e de exalação do gás radônio em rochas ornamentais e de revestimento exploradas nos estados brasileiros de Minas Gerais e Espírito Santo. Sabendo que as rochas apresentam em sua constituição determinados teores de elementos radioativos tais como 87Rb, 40K, 238U, 235U e 232Th, sendo os três últimos a gerar em suas séries por decaimento o Rn e, apesar da baixa concentr

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Silva, Jesué Antonio da. "Caracterização geológica e tecnológica de unidades gnáissicas e graníticas do sudoeste de Mato Grosso para fins de exploração como rochas ornamentais e para revestimento /." Rio Claro : [s.n.], 2009. http://hdl.handle.net/11449/103001.

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Resumo: Os estudos geológicos, petrográficos, geoquímicos e tecnológicos (físicosmecânicos) e de alterabilidade de exposições de extensas áreas de rochas cristalinas no sudoeste do Estado do Mato Grosso, com objetivo da qualificação como rocha ornamental e de revestimento, possibilitou a oferta de novas variedades estéticas de rochas que apresentem a adequada identificação, tipificação e padronização das características tecnológicas. Visa-se ampliar a oferta deste bem mineral no estado, atualmente um dos menores produtores do pais, contribuindo assim para a implantação e desenvolvimento desta

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Lima, Filipe Goulart. "Morro do Níquel : fragmento de manto exumado na Faixa Brasília Meridional /." Rio Claro, 2017. http://hdl.handle.net/11449/151669.

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Orientador: Antenor Zanardo<br>Coorientador: Gergely Andres Julio Szabó<br>Banca: Norberto Morales<br>Banca: Guillermo Rafael Beltran Navarro<br>Banca: Tiago da Rocha Karniol<br>Banca: Larissa Marques Barbosa de Araújo<br>Resumo: Este trabalho apresenta os resultados dos estudos petrogenéticos detalhados realizados nos serpentinitos que constituem do Morro do Níquel, maciço ultrabásico mineralizado em níquel laterítico, situado na Faixa Brasília Meridional, ao norte da Zona de Sutura de Alterosa, localizado no Município de Pratápolis (MG), sul/sudoeste do Estado de Minas Gerais, Brasil. Os ser

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Pazeto, Abiliane de Andrade [UNESP]. "Correlação entre propriedades petrográficas e comportamento tecnológico e de alterabilidade das rochas ornamentais silicáticas Diamante Negro (BA), Ocre Itabira e Banco Galaxy (ES)." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/92883.

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Made available in DSpace on 2014-06-11T19:26:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-04-15Bitstream added on 2014-06-13T19:13:14Z : No. of bitstreams: 1 pazeto_aa_me_rcla.pdf: 2444516 bytes, checksum: 35703d25545452a56889da24605468b1 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>O objetivo da presente pesquisa foi estabelecer a correlação entre as propriedades petrográficas e o comportamento tecnológico e de alterabilidade de três materiais utilizados como rochas ornamentais e para revestimento. Os tipos petrográficos correspondem a um mic

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Silva, Jesué Antonio da [UNESP]. "Caracterização geológica e tecnológica de unidades gnáissicas e graníticas do sudoeste de Mato Grosso para fins de exploração como rochas ornamentais e para revestimento." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/103001.

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Made available in DSpace on 2014-06-11T19:32:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-05-15Bitstream added on 2014-06-13T20:23:35Z : No. of bitstreams: 1 silva_ja_dr_rcla.pdf: 9882145 bytes, checksum: 8c1fcd8a76a5c1c0ac9a985de6e82b7c (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Os estudos geológicos, petrográficos, geoquímicos e tecnológicos (físicosmecânicos) e de alterabilidade de exposições de extensas áreas de rochas cristalinas no sudoeste do Estado do Mato Grosso,

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Janasi, Valdecir de Assis. "Geologia e petrologia do maciço monzodiorítico-monzonítico de Piracaia-SP." Universidade de São Paulo, 1986. http://www.teses.usp.br/teses/disponiveis/44/44135/tde-26092012-145409/.

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0 maciço de Piracaia aflora na parte N do Estado de São Paulo, ocupando área de 32 km2. É composto por uma suite de rochas em boa parte gnaissificadas e metamorfisadas, dominada por monzodioritos e monzonitos, mas com variações desde dioritos até álcali-quartzo sienitos e álcali granitos. A tendência composicional assim definida é semelhante à da série granitóide, \"alcalina\",(Lameyre & Bowden, 1982) . As rochas do maciço invadem a região de contato entre ortognaisses do Complexo Socorro e rochas supracrustais migmatizadas do Complexo Metamórfico Piracaia. São invadidas restritamente por veio

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Lima, Maria Angélica Batista. "Estudo do comportamento dos gnaisses Casablanca, Juparaná Delicato e Giallo Falésia (Ceará - Brasil) em atmosfera salina /." Rio Claro : [s.n.], 2006. http://hdl.handle.net/11449/102989.

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Resumo: Nesta pesquisa procurou-se simular as condições de atmosfera quimicamente agressiva (atmosfera marinha) por meio da exposição dos gnaisses Casablanca, Juparaná Delicato e Giallo Falésia em duas distintas câmaras climáticas de névoa salina, que permitiram a realização de ensaios do tipo contínuo e cíclico. Os ensaios tecnológicos de controle e as análises realizadas visaram à compreensão e interpretação das alterações observadas ao final dos respectivos tempos de exposição. Para escolha das propriedades tecnológicas avaliadas foram considerados os graus de influência e/ou de dependência

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Leme, Thaís Guitzlaf. "Geotermobarometria das rochas do Grupo Araxá e do Complexo Guaxupé na região de Guaxupé - Nova Resende, MG /." Rio Claro, 2019. http://hdl.handle.net/11449/180465.

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Orientador: Guillermo Rafael Beltran Navarro<br>Banca: Antenor Zanardo<br>Banca: Filipe Gourlat Lima<br>Resumo: A área de estudo situa-se no sul da Faixa Brasília Meridional, no sudoeste do estado de Minas Gerais e compreende uma faixa entre os municípios de Guaxupé, Monte Belo, Nova Resende e São Pedro da União, no contato entre as unidades que compõem o Complexo Guaxupé e litotipos atribuídos ao Grupo Araxá. Esta região situa-se em uma zona de blocos crustais amalgamados durante a orogênese brasiliana no Neoproterozoico e marca o limite entre terrenos granulíticos (Complexo Guaxupé) e litoti

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Torró, i. Abat Lisard. "The shift from subduction-initiation to true subduction in intra-oceanic systems: tectonic, magmatic and metallogenic evolution of Early Cretaceous arc-related units of Central and Oriental cordilleras in the Dominican Republic." Doctoral thesis, Universitat de Barcelona, 2017. http://hdl.handle.net/10803/401648.

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The Maimón and Los Ranchos formations in Central and Oriental Cordilleras, Dominican Republic, Hispaniola Island, are acknowledged to be representative of the most primitive tholeiitic magmatic series recorded in the Greater Antilles of the Caribbean. Besides their importance for the study of the early tectonic and magmatic evolution of the Caribbean island-arc, these formations are renowned for hosting the Cerro de Maimón VMS and the world-class Pueblo Viejo epithermal deposits, currently under production, and a series of smaller metallic deposits and occurrences. Therefore, the integrated

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Xu, Jingyao. "Optimization of the use of diamond indicator minerals in diamond exploration in kimberlites." Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/668786.

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Ti-rich minerals occur in xenoliths of metasomatized mantle peridotites, MARID and PIC. Xenocrysts produced by disaggregation during the intrusion have equivalent compositions. Early crystallization in the first intrusive stage in kimberlites and related rocks produces olivine phenocrysts that may have trapped inclusions of co-crystallizing rutile, Mg-rich ilmenite to geikielite and chromite. Geikielite may replace Ti-bearing minerals of the xenocrystic suite, producing a suite of magnesian ilmenites of intermediate compositions that follow an Mg enrichment trend depending on the grade of int

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Rice-Birchall, B. "Petrology and geochemistry of basic volcanics." Thesis, Keele University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314570.

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Gamil, Ali Saif. "Petrology and geochemistry of Shetland granites." Thesis, University of Liverpool, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316890.

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This study is concerned with the distribution, age, chemistry and geotectonic setting of the 21 granites in Shetland. The granites range in size from a few metres to 8 Km across and in age from Pre-Moine to early Carboniferous. The granites occupy a unique position in being placed approximately half way between Scotland and Norway Caledonides and about 320 Km east of southeast coast of Greenland, if Greenland is restored to its pre-continental Drift position as predicted by the best fit of Greenland and Europe. The Shetland granites have been subdivided into 5 groups according to their locatio

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Lagergren, Hanna. "Magmatic Stoping and a Case Study from the Åva Ring Complex, Finland." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-183409.

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Magmatic stoping is a term that has been controversial almost since it was first mentioned over a century ago. Scientists have been arguing whether it plays an important part as an emplacement process of magma chambers, or whether it takes place at all. With growing evidence for both pro- and counterar guments the debate becomes tenser and the question raised is whether it is possible to find a unanimous answer. Magmatic stoping is often associated with the presence of xenoliths, “foreign” rocks that have been enclosed by magma. As parts of the roof or walls in the magma chamber detach, the pi

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Pagotti, Mariana Savietto. "Análise petrográfica da Formação Marília no município de Quintana-SP /." Rio Claro, 2016. http://hdl.handle.net/11449/180218.

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Orientador: Maria Rita Caetano-Chang<br>Banca: Paulo Milton Barbosa Landim<br>Banca: Emilio Carlos Prandi<br>Resumo: O Sistema Aquífero Bauru estende-se por cerca de 40% do estado de São Paulo, sendo umas das principais fontes de exploração de água subterrânea do estado; abastece integralmente 32,5% de seus municípios, abrangendo a maior parte do Planalto Ocidental Paulista. Nesse sistema destaca-se o Aquífero Marília, dado tratar-se de aquífero raso cuja explotação é menos onerosa. O presente estudo teve como objetivo a caracterização petrográfica dos arenitos da Formação Marília no município

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Ipekgil, Ceren. "Geology And Petrology Of Beypazari-oymaagac Granitoids." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12605846/index.pdf.

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The purpose of this study is to investigate the origin, source characteristics, evolution petrogenesis and emplacement mechanisms of Beypazari-Oymaaga&ccedil<br>granitoids. These granitoids are intruded into a metamorphic basement and nonconformably overlain by Neogene clastic rocks. Field work, petrographical and geochemical studies are carried out to determine the petrologic features and tectonic setting of the granitoid body. The Beypazari-Oymaaga&ccedil<br>pluton is a composite pluton with its host batholith, enclaves, aplite dykes and a pegmatite. The batholith is generally composed of q

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Birch, Graham John. "Petrology of the Madziwa Mafic Intrusion, Zimbabwe." Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37640.

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Solupker, Utku. "Petrology of Kula Volcanic Province, Western Turkey." Cincinnati, Ohio : University of Cincinnati, 2007. http://www.ohiolink.edu/etd/view.cgi?ucin1187013478.

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Thesis (Ph. D. )--University of Cincinnati, 2007.<br>Keywords: alkaline rocks; oxygen fugacity; dP/dT; polybaric fractionation; fractional melting Advisor: Dr. Attila I. Kilinc Title from electronic thesis title page (Nov. 17, 2007). Includes abstract. Includes bibliographical references.

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Al-Hafdh, Nabeel Mustafa Suliman. "The alteration petrology of the Cheviot granite." Thesis, University of Newcastle Upon Tyne, 1985. http://hdl.handle.net/10443/1866.

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The Cheviot Granite complex is a high-level pluton made up of six intrusive phases intruded into a pile of andesites of very similar composition to the bulk of the plutonics. The whole represents the eroded remnant of a lower Devonian volcano, erupted immediately after the continental collision that destroyed the Iapetus Ocean. The igneous history comprises two igneous cycles, both starting with basic granodiorite and including a late porphyritic ring dyke. The two cycles can be distinguished geochemically using Zr and K contents. Fractionation during each cycle involved precipitation of a bio

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Ghani, Azman Abdul. "Petrology and geochemistry of Donegal granites Ireland." Thesis, University of Liverpool, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243112.

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Viljoen, K. S. "Petrology of the Sutherland Commonage melilitite intrusives." Master's thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/22496.

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The petrology of the Sutherland Commonage olivine melilitite intrusives have been investigated using petrographic and chemical methods. The occurrence consists of a ring dyke which surrounds a centrally located sill complex. The rock of the ring dyke is a typical melilitite which consists of olivine in a groundmass of melilite, clinopyroxene, opaque spinel, nepheline and perovskite. The sill complex is a multiple intrusion and is comprised of a lower green melilitite and an overlying (and younger) grey melilitite. The green melilitite is deuterically altered and the original mineralogy is dest

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Sölpüker, Utku. "Petrology of Kula Volcanic Province, Western Turkey." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1187013478.

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Camargo, Jefferson Luiz [UNESP]. "Influência das propriedades petrográficas na qualidade do polimento de rochas ornamentais." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/92856.

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Made available in DSpace on 2014-06-11T19:26:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-03-06Bitstream added on 2014-06-13T18:29:42Z : No. of bitstreams: 1 camargo_jl_me_rcla.pdf: 5577109 bytes, checksum: 97f948140c799b5be67c8cc50979e207 (MD5)<br>O polimento de rochas ornamentais em escala industrial é realizado em equipamentos denominados politrizes, podendo estes serem semi-automáticos ou automáticos. O polimento é realizado pelo atrito gerado no movimento rotacional de elementos abrasivos dispostos em cabeçotes, denominados satélites, sob pressão, contra a superfície da roc

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Bolonini, Thiago Motta [UNESP]. "Geologia e potencialidade do granito Vermelho Capão Bonito (Sudoeste do Estado de São Paulo) como rocha ornamental." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/92882.

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Made available in DSpace on 2014-06-11T19:26:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-06-17Bitstream added on 2014-06-13T20:14:56Z : No. of bitstreams: 1 bolonini_tm_me_rcla.pdf: 3668560 bytes, checksum: 8792f0e71130a6fa2acc41907e79179f (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>O Maciço Granítico Capão Bonito localiza-se no sudoeste do Estado de São Paulo e está associado à evolução neoproterozóica da Província Mantiqueira Central. As suas rochas afloram junto à borda da Bacia do Paraná em um corpo com forma alongada cujo eixo maior apr

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Pazeto, Abiliane de Andrade. "Correlação entre propriedades petrográficas e comportamento tecnológico e de alterabilidade das rochas ornamentais silicáticas Diamante Negro (BA), Ocre Itabira e Banco Galaxy (ES) /." Rio Claro : [s.n.], 2011. http://hdl.handle.net/11449/92883.

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Orientador: Antonio Carlos Artur<br>Banca: Tamar Milca Bortolozzo Galembeck<br>Banca: Fabiano Cabañas Navarro<br>Resumo: O objetivo da presente pesquisa foi estabelecer a correlação entre as propriedades petrográficas e o comportamento tecnológico e de alterabilidade de três materiais utilizados como rochas ornamentais e para revestimento. Os tipos petrográficos correspondem a um microgabro (Diamante Negro), um hornblenda sienito pórfiro com quartzo (Ocre Itabira) e um granito pegmatóide com granada e sillimanita (Branco Galaxy), sendo o primeiro proveniente do estado da Bahia e os dois último

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Camargo, Jefferson Luiz. "Influência das propriedades petrográficas na qualidade do polimento de rochas ornamentais /." Rio Claro, 2013. http://hdl.handle.net/11449/92856.

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Orientador: Antonio Carlos Artur<br>Coorientador: Leonardo Luiz Lyrio da Silveira<br>Banca: Tamar Milca Bortolozzo Galembeck<br>Banca: Rogério Pinto Ribeiro<br>Resumo: O polimento de rochas ornamentais em escala industrial é realizado em equipamentos denominados politrizes, podendo estes serem semi-automáticos ou automáticos. O polimento é realizado pelo atrito gerado no movimento rotacional de elementos abrasivos dispostos em cabeçotes, denominados satélites, sob pressão, contra a superfície da rocha. Em ambos os tipos de politrizes, a velocidade de rotação do satélite é invariável, o que imp

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Romano, Pierangelo. "Experimental investigation on peralkaline silicic magmas of Pantelleria Island: inferences on pre-eruptive conditions, magma evolution and water solubility." Doctoral thesis, Università degli Studi di Palermo, 2017. http://hdl.handle.net/10447/221192.

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Forsberg, Maria. "Planerat kärnbränsleförvar i Forsmark : - med fokus på episyenit." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-203056.

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It takes a very long time for ionizing radiation of used nuclear fuel toreturn to a natural background level, for this reason one of the requirements for theselection of the location of a repository was that the environment as well people'shealth would be protected from the harmful effect of radioactivity. This requirementmeans that the waste must be isolated in a geological formation. In Sweden therepository will be built in the crystalline bedrock. The location for the Swedish nuclearfuel repository at nearly 500 meters depth at Forsmark in Östhammar was decided 3June 2009. The repository wi

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Billur, Basak. "Geology And Petrology Of Beypazari Granitoids: Yassikaya Sector." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605577/index.pdf.

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Beypazari Granitoid is a low temperature and shallow-seated batholite intruded the Tepek&ouml<br>y metamorphic rocks of the Central Sakarya Terrane. Composition of the granitoid varies from granite to diorite. The granitoid is unconformably overlain by Palaeocene and Eocene rock units. Thus the age is probably Late Cretaceous. The Beypazari Granitoid comprises mafic microgranular enclaves. The granitoid mainly consists of quartz, plagioclase, orthoclase and minor amphibole, biotite, chlorite, zircon, sphene, apatite, and opaque minerals. Plagioclase shows sericitation whereas biotite and hornb

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Kremers, Simon. "Combining experimental volcanology, petrology and geophysical monitoring techniques." Diss., lmu, 2012. http://nbn-resolving.de/urn:nbn:de:bvb:19-146595.

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Sommacal, Silvano, and silvano sommacal@anu edu au. "Computational petrology: Subsolidus equilibria in the upper mantle." The Australian National University. Research School of Earth Sciences, 2004. http://thesis.anu.edu.au./public/adt-ANU20050415.151025.

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Processes that take place in the Earths mantle are not accessible to direct observation. Natural samples of mantle material that have been transported to the surface as xenoliths provide useful information on phase relations and compositions of phases at the pressure and temperature conditions of each rock fragment. In the past, considerable effort has been devoted by petrologists to investigate upper mantle processes experimentally. Results of high temperatures, high pressure experiments have provided insight into lower crust-upper mantle phase relations as a function of temperature, pressur

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Eady, Angela Elizabeth. "The petrology and geochemistry of the Acheron intrusion." Thesis, University of Canterbury. Geology, 1995. http://hdl.handle.net/10092/6783.

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Subalkaline transitional gabbros have intruded the Cretaceous - Paleocene sediments of the Acheron Outlier. The gabbroic magma has differentiated in situ to form a laccolith and sill-like apophysis, as well as having a strong thermal effect on the sediments and especially the coals of the Broken River Formation. This research concentrates on the geochemical characteristics and differentiation processes. Additional research on the thermal alteration of the coals at Acheron has provided data for heating models of the sediments. Thermal alteration of the sediments is extensive with the thermal a

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Parman, Stephen Wayne. "Petrology and geochemistry of high degree mantle melts." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/55064.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, February 2001.<br>Includes bibliographical references.<br>Experimental phase equilibria, whole rock major and trace element concentrations, and mineral major and trace element concentrations are used to constrain the petrogenesis of high degree, hydrous melts of the mantle, with particular focus on komatiites from the Barberton Mountainland, South Africa. Chapter 1 presents experiments on a Barberton komatiite composition under anhydrous and H20 saturated conditions. A comparison of the

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Parker, Matthew John. "Early prehistoric petrology : a case study from Leicestershire." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/6310.

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This research focused on the petrographic analysis of prehistoric ceramics within the East Midlands. Prior assessments have been intermittent and not drawn together by a research-based agenda, with a few notable exceptions. This research uses petrographic analysis to shed light on early prehistoric society within Leicestershire, a county overlooked in comparison to other regions. The aim of this research was to investigate the procurement of raw materials and the subsequent production of Neolithic and early Bronze Age ceramics in Leicestershire, placing the county in its regional context. Petr

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Block, Kristin. "Fulgurite Classification, Petrology, and Implications for Planetary Processes." Thesis, The University of Arizona, 2011. http://hdl.handle.net/10150/144596.

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A variety of fulgurites from diverse locations have been studied. Morphological features were measured and physical properties documented, and a classification scheme was developed. Three major types are introduced and described: Type I, Type II, and Type III, along with two minor types: Type IV and Melt Droplets. Fulgurites representative of each major taxonomic type were investigated using electron microprobe point analyses and x-ray mapping. A range of compositions were found, including nearly pure glass, detrital zircons with baddeleyite rims, Fe-metal with P-rich rims, and unusual Fe-

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Parker, Matthew J. "Early prehistoric petrology: A case study from Leicestershire." Thesis, University of Bradford, 2013. http://hdl.handle.net/10454/6310.

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This research focused on the petrographic analysis of prehistoric ceramics within the East Midlands. Prior assessments have been intermittent and not drawn together by a research-based agenda, with a few notable exceptions. This research uses petrographic analysis to shed light on early prehistoric society within Leicestershire, a county overlooked in comparison to other regions. The aim of this research was to investigate the procurement of raw materials and the subsequent production of Neolithic and early Bronze Age ceramics in Leicestershire, placing the county in its regional context. Petr

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Sommacal, Silvano. "Computational petrology : subsolidus equilibria in the upper mantle /." View thesis entry in Australian Digital Theses Program, 2004. http://thesis.anu.edu.au/public/adt-ANU20050415.151025/index.html.

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Bolonini, Thiago Motta. "Geologia e potencialidade do granito "Vermelho Capão Bonito" (Sudoeste do Estado de São Paulo) como rocha ornamental /." Rio Claro : [s.n.], 2011. http://hdl.handle.net/11449/92882.

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Orientador: Antonio Misson Godoy<br>Banca: Antonio Carlos Artur<br>Banca: Leonardo Luiz Lyrio da Silveira<br>Resumo: O Maciço Granítico Capão Bonito localiza-se no sudoeste do Estado de São Paulo e está associado à evolução neoproterozóica da Província Mantiqueira Central. As suas rochas afloram junto à borda da Bacia do Paraná em um corpo com forma alongada cujo eixo maior apresenta direção geral NE-SW, perfazendo uma área aproximada de 110km2. Ocorre intrusivo em rochas epimetamórficas da Formação Votuverava, do Grupo Açungui e em rochas graníticas do Complexo Três Córregos e a sua colocação

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Carlin, Aline de Cássia. "Características petrográficas e químicas das rochas encaixantes das mineralizações auríferas do depósito Lavra Velha (região de Ibitiara, borda oeste da Chapada Diamantina, Bahia) /." Rio Claro, 2016. http://hdl.handle.net/11449/144713.

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Orientador: Guillermo Rafael Beltran Navarro<br>Banca: Antenor Zanardo<br>Banca: Gergely Andres Julio Szabó<br>Resumo: O depósito de ouro Lavra Velha, que pertence ao Alvo de Prospecção Lavra Velha, da empresa Yamana Gold, localiza-se na cidade de Ibitiara, centro-oeste do Estado da Bahia e borda oeste do domínio fisiográfico da Chapada Diamantina, situado no Aulacógeno do Paramirim, na região norte do Cráton São Francisco. O depósito foi recentemente inserido na classe de modelo IOCG (Iron Oxide Cooper Gold), onde a mineralização de ouro se hospeda em brechas hematíticas sericitizadas. O prin

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Luciano, Rejane Lima. "Petrografia e geoquímica das rochas metacarbonatíticas do complexo Angico dos Dias, divisa Bahia/Piauí, Brasil /." Rio Claro, 2016. http://hdl.handle.net/11449/138310.

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Orientador: Antonio Misson Godoy<br>Banca: Antonio Carlos Artur<br>Banca: Marcos Aurélio Farias de Oliveira<br>Banca: Larissa Marques de Araújo<br>Banca: Fábio Machado Braz<br>Resumo: Este trabalho verificou que as rochas metacarbonatíticas do Complexo Metacarbonatítico de Angico dos Dias (CMCAD), constituídas principalmente por calcita, apatita, olivina, flogopita e magnetita dispõem-se em dois conjuntos: um localizado na mina de fosfato da Galvani (corpo principal, Campo Alegre de Lourdes-BA) e o outro na Fazenda Pimenteira (Caracol-PI). Variação no conteúdo de apatita, minerais ferro-magnes

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Nejedlik, John. "Petrographic image analysis as a tool to quantify porosity and cement distribution." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09SM/09smn417.pdf.

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Includes bibliographical references (leaves 153-157). Petrographic image analysis proved particularly useful in determining the parameters for statistical analysis for the simple mineralogies displayed in the samples from the Hutton Sandstone. Concentrates on establishing techniques for statistical study of data collected by PIA to subdivide the framework grains from the porosity or cement.

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Nayem, Saleh Lehbib. "Estudio Geológico y Metalogenético del Basamento Precámbrico del Sahara Occidental." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/402471.

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En el Sáhara Occidental hay dos unidades principales: la cobertera sedimentaria del Fanerozoico y un basamento cristalino que forma parte del cratón del África Occidental, constituido desde el Paleoarcaico al Paleoproterozoico. A su vez, en el basamento se ha definido una serie de dominios o terranes, delimitados por fallas regionales, que responden a microcontinentes que colisionaron principalmente durante la orogenia Birimiense y la Hercínica. Los primeros estadios de granitización parecen producirse entre el Paleoproterozoico y el Mesoproterozoico dependiendo del dominio, pero el primer g

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White, Thomas West Steltenpohl Mark G. "Geology of the 1:24,000 Tallassee, Alabama, Quadrangle, and its implications for southern Appalachian tectonics." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Geology_and_Geography/Thesis/White_Thomas_41.pdf.

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Lindeberg, Tomas. "Indium Analysis and Small-scale Distribution in Sulphides from the Lindbom Prospect, Långban Area, Western Bergslagen Ore Province." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-196479.

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Indium is extensively used in LCD screens and solar cells. It is mainly produced as a byproduct during ore processing. With ever increasing demand for indium and most of the production being restricted to a few countries new sources for indium are needed. In Sweden, the westernmost Bergslagen is the only area, which is known to exhibit minerals with essential indium. The indium mineralisations at Långban, the Linbom prospect, which are studied in this bachelor’s thesis show several trends. The most notable is the copper indium trend seen in sphalerite. A likely substitution based on similar io

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Brismo, Ploetz Marcus. "Mikroskopering av opaka faser - en studie från Skyttgruvan, Falun." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-203117.

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In nature there are about 4,500 minerals identified. These can roughly be divided into two groups, opaque phases and non-opaque phases, with the exception that some opaque phases also may act as a non-opaque phase in different circumstances. The division is made on the basis of the optical properties. Opaque phases are nontransparent, which means that a different type of microscope must be used. A conventional microscope uses transmitted light while the microscope for opaque phases or the ore microscope uses reflected light. The reason is that ore minerals often behave in an opaque manner. An

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Kleemann, G. J. "The geochemistry and petrology of the roof-rocks of the Bushveld Complex east of Groblersdal." Pretoria : [s.n.], 1985. http://upetd.up.ac.za/thesis/available/etd-11152006-125021.

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Bachtel, Jonathan M. "Zircon alteration in wallrock of Pamour and Hoyle Pond Au deposits, Abitibi granite-greenstone belt: Constraints on timescales of fluid flow from depth-profiling techniques." Thesis, University of Ottawa (Canada), 2010. http://hdl.handle.net/10393/28734.

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Quartz-carbonate vein Au deposits in the Timmins-Porcupine gold camp, Abitibi Subprovince, have equivocal protracted parageneses and formed during late to post-Kenoran (2750-2670 Ma) deformation and metamorphism. SIMS U-Pb and delta18O depth-profiling and LA-ICPMS REE depth-profiling techniques were employed on unpolished wallrock zircons to resolve temporal constraints on mineralization and hydrothermal fluid sources at Hoyle Pond and Pamour mines. Depth-profiling techniques successfully uncovered <3 mum alteration domains in zircon rims based on Th/U, REE, and isotopic signatures, and rim

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Baker, Judith Mary. "Petrological and isotopic constraints on metamorphism and metamorphic fluid flow on Naxos, Greece." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358416.

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Azevedo, Maria do Rosario Mascarenhas de Almeida. "Hercynian granitoids from the Fornos de Algodres area (northern central Portugal)." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243982.

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Wonham, Jonathan Philip. "Sedimentology and sequence stratigraphy of tidal sandstone bodies : implications for reservoir characterisation." Thesis, University of Liverpool, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240411.

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Analysis of the facies and sequence stratigraphy of tidally-influenced, siliciclastic-dominated successions from five different areas has allowed a survey and comparison of the sedimentological and architectural characteristics of a variety of tidal sandstone body types. This study is concerned with: (i) describing these different sandstone body types; (ii) analysing the controls on sandstone body internal architecture, external geometry and connectivity, and (iii) outlining the implications of such studies for reservoir characterisation. Facies analysis of the studied successions by previous

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