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Dissertations / Theses on the topic 'Mineralogy'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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1

Brenner, Thomas Lafayette. "The fortaleza de minas nickel, copper and platinoids deposit : ore types, tectonics and volcanological aspects = A jazida de níquel, cobre e platinóides de fortaleza de minas : aspectos tectônicos, vulcanológicos e tipos de minérios /." Rio Claro : [s.n.], 2006. http://hdl.handle.net/11449/103043.

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Orientador: Sebastião Gomes de Carvalho<br>Banca: Aroldo Misi<br>Banca: Yociteru Hasui<br>Banca: Jorge Silva Bettencourt<br>Banca: Antenor Zanardo<br>O presente trabalho reúne 3 artigos científicos, já formalizados para publicação em revistas internacionais, foi confeccionado para ser apresentado como tese de doutorado<br>Artigos em inglês, introdução e resumo em português<br>Resumo: O depósito de Fortaleza de Minas vem sendo estudado a mais de 20 anos desde a sua descoberta em 1983 e apresenta similaridades com outros depósitos komatiíticos arqueanos descritos na literatura. Sua configuração
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2

Morkel, Jacqueline. "Kimberlite weathering mineralogy and mechanism /." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-07212007-104241.

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3

Eyre, John Kelday. "Magnetic mineralogy of Chinese loess." Thesis, University of Liverpool, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386783.

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4

Sandmann, Dirk. "Method development in automated mineralogy." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2015. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-187215.

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The underlying research that resulted in this doctoral dissertation was performed at the Division of Economic Geology and Petrology of the Department of Mineralogy, TU Bergakademie Freiberg between 2011 and 2014. It was the primary aim of this thesis to develop and test novel applications for the technology of ‘Automated Mineralogy’ in the field of economic geology and geometallurgy. A “Mineral Liberation Analyser” (MLA) instrument of FEI Company was used to conduct most analytical studies. This automated system is an image analysis system based on scanning electron microscopy (SEM) image acqu
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5

Ford, Robert C. "Conulariid test microstructure and mineralogy." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/13067.

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Master of Science<br>Department of Geology<br>George R. Clark II<br>Conulariids are one of the most enigmatic groups of fossil organisms, and have been stimulating debates since the late 19th century. Many major questions remain; for example, three independent researchers (Babcock and Feldman, 1986b; Oliver and Coates, 1987; Van Iten, 1992b) reported three different mineralogies for the conulariid test within a six-year period, and are not known to have reached an agreement. Conulariid morphology is also debated, and many workers seem unable to agree on the basic architecture of the test or
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6

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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Dias, Carlos Augusto Tavares [UNESP]. "Geologia e mineralogia de pegmatito mineralizado em estanho e metais associados (Nb, Ta, Zn, Cu, Pb), Mina Bom Futuro, Rondônia." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/92891.

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Made available in DSpace on 2014-06-11T19:26:14Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-06-15Bitstream added on 2014-06-13T18:54:23Z : No. of bitstreams: 1 dias_cat_me_rcla.pdf: 1344683 bytes, checksum: 1acaaa814f2b0f234d70b3f93d51ba24 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>A mina Bom Futuro é atualmente uma das maiores produtora de estanho do país, com uma produção média anual nos últimos 10 anos de cerca de 2400 toneladas de estanho. As atividades industriais de extração de cassiterita na mina se concentram no morro Bom Futuro e adjac
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8

Coelho, Fernando de Mattos. "Aspectos geológicos e mineralógicos da Mina de diamantes de Romaria, Minas Gerais." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/44/44144/tde-24022011-113204/.

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A Mina de diamantes de Romaria está localizada no perímetro urbano da cidade de Romaria, na região oeste de Minas Gerais. Durante os trabalhos de mineração executados nos últimos cem anos, foi lavrada uma área de aproximadamente 1 km2 de sedimentos. O local está situado na borda NE da Bacia do Paraná, na margem direita do Rio Bagagem, entre os Ribeirões Água Suja e Marrecos. Neste local vem sendo lavrado um conglomerado polimítico da Formação Uberaba, Grupo Bauru, pertencente ao Cretáceo Superior. Ele é constituído por clastos de micaxistos, anfibolitos, filitos e veios pegmatóides do Pré-Camb
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9

Dias, Carlos Augusto Tavares. "Geologia e mineralogia de pegmatito mineralizado em estanho e metais associados (Nb, Ta, Zn, Cu, Pb), Mina Bom Futuro, Rondônia /." Rio Claro, 2012. http://hdl.handle.net/11449/92891.

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Orientador: Washington Barbosa Leite Jr<br>Banca: Sebastião Gomes de Carvalho<br>Banca: César D'Abronzo Martinelli<br>Resumo: A mina Bom Futuro é atualmente uma das maiores produtora de estanho do país, com uma produção média anual nos últimos 10 anos de cerca de 2400 toneladas de estanho. As atividades industriais de extração de cassiterita na mina se concentram no morro Bom Futuro e adjacências, em depósitos primários e secundários, respectivamente. No morro Bom Futuro são reconhecidos dois pipes brechados alojados em gnaisses e anfibolitos, que são cortados por diques radiais e anelares de
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10

Salim, Leonardo Alfredo. "Radônio em área de extração de carvão mineral no município de Figueira (PR) /." Rio Claro, 2018. http://hdl.handle.net/11449/154384.

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Orientador: Daniel Marcos Bonotto<br>Banca: Francisco Yukio Hiodo<br>Banca: Wanilson Luiz Silva<br>Banca: Rosemarie Rohn Davis<br>Banca: Antônio Carlos Artur<br>Resumo: O gás radônio, resultado do decaimento radioativo do 238U e 232Th, é motivo de grande preocupação para o homem. Ele é uma das mais importantes fontes de radiação ionizante de origem natural que as pessoas estão expostas, sendo considerado pela OMS (Organização Mundial da Saúde) como o segundo maior causador de câncer de pulmão. O carvão mineral como qualquer outro combustível fóssil está associado a materiais radioativos natura
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Hood, Christopher Thomas Saul. "Mineralogy, paragenesis, and mineralogic zonation of the Silver Queen vein system, Owen Lake, central British Columbia." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/29878.

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The Silver Queen mine, southeast of Houston, B.C., consists of a series of epithermal base- and precious-metal bearing veins hosted by Late Cretaceous volcanic rocks of the Tip Top Hill formation. Mineralogically, the veins are complex, displaying several discrete mineralizing stages characterized by the presence of certain sulfide and gangue species. The complexity of the vein mineralogy has presented a problem in assessing the systemic evolution of the hydrothermal system. This study describes in detail the nature of the mineralogy, dividing the assemblages present into four distinct parage
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Graham, Giles Andrew. "The mineralogy and chemistry of micrometeorites." Thesis, n.p, 2000. http://oro.open.ac.uk/19214/.

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13

Carneiro, Henrique Pelorca. "Integração de dados geofísicos e estruturais no estudo de ocorrência de cobre localizada na região norte da Bacia Sedimentar do Camaquã (RS) /." Rio Claro, 2016. http://hdl.handle.net/11449/147092.

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Orientador: César Augusto Moreira<br>Banca: Ana Olivia Barufi Franco de Magalhães<br>Banca: Daniel Françoso de Godoy<br>Resumo: Este trabalho apresenta resultados gerados através de levantamentos geofísicos terrestres de eletrorresistividade e polarização induzida integrado ao reconhecimento geológico de superfície em área potencialmente mineralizada com sulfeto de cobre, localizada a noroeste do município de Caçapava do Sul, sul do Brasil, na região norte da Bacia Sedimentar do Camaquã. A ocorrência mineral é caracterizada por veios de quartzo contidos em sericita clorita quartzo xisto, com i
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Ray, N. J. "Epidote group mineralogy in the Eastern Alps." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373690.

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15

Sourie, Arlette. "Mineralogy of aluminous cements and their reactivity." Thesis, University of Aberdeen, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359196.

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This project was initiated to determine the effects of cooling conditions on the mineralogy of aluminous cements fired in oxidizing and reducing atmospheres. Using a vertical tube furnace, compositions covering the range of aluminous cements were melted at a predetermined temperature and at various oxygen partial pressures. They were subsequently cooled at different rates. Product identification was undertaken by X-ray diffraction, optical and scanning electron microscopy, and analytical electron microscopy. The clinker microstructures were found to differ radically with cooling rate, and the
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16

Lafuente, Valverde Barbara, and Valverde Barbara Lafuente. "Architecture of Databases for Mineralogy and Astrobiology." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621774.

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This dissertation is focused on the design of the Open Data Repository's Data Publisher (ODR), a web-based central repository for scientific data, primarily focused on mineralogical properties, but also applicable to other data types, including for instance, morphological, textural and contextual images, chemical, biochemical, isotopic, and sequencing information. Using simple web-based tools, the goal of ODR is to lower the cost and training barrier so that any researcher can easily publish their data, ensure that it is archived for posterity, and comply with the mandates for data sharing. Th
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Kurtz, Aaron D. "Determining Mineralogy from Traditional Well Log Data." Marietta College Honors Theses / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=marhonors1366902854.

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18

Bonas, Thiago Bastos. "Aplicação de índice mineralógico como apoio na avaliação de reservas da mina de fosfato de Cajati-SP." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/44/44137/tde-17042007-094628/.

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A mina de fosfato de Cajati localiza-se a 230 km a sudeste da cidade de São Paulo. Nela aflora, de forma alongada segundo a direção N27ºW, um corpo de carbonatito mineralizado a apatita. O corpo mineralizado é subdividido em unidades litológicas a partir de variações nas características físicas (estruturas) e mineralógicas da matriz carbonática, dos principais acessórios e menores constituintes (textura e proporções). Dentro das unidades litilógicas existentes destacam-se a Zona de Xenólitos e Zonas de Diques, regiões caracterizadas por misturas entre magnetita-clinopiroxenitos, rocha encaixan
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19

Oliveira, Ivanildo Amorim de. "Suscetibilidade magnética da terra preta arqueológica amazônica /." Jaboticabal, 2017. http://hdl.handle.net/11449/151045.

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Orientador: José Marques Júnior<br>Coorientador: Milton César Costa Campos<br>Coorientador: Diego Silva Siqueira<br>Banca: Marcílio Vieira Martins Filho<br>Banca: Livia Arantes Camargo<br>Banca: Zigomar Menezes de Souza<br>Banca: Ricardo Simão Diniz Dalmolin<br>Resumo: O trabalho fornece informações sobre a formação da Terra Preta Arqueológica e sua relação com a expressão magnética proveniente de minerais litogenênicos, pedogenéticos e influência antrópica. Os resultados da presença de minerais ferrimagnéticos nos solos de Terra Preta Arqueológica (TPA) pode ser utilizada para compreender o p
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Er, Mehmet Bilgi. "Mineralogy And Production Technology Of Degirmentepe (malatya) Pottery." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613696/index.pdf.

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A series of pottery samples provided from the survey investigations and excavations from Degirmentepe Mound (Malatya), belonging to Chalcolithic (Ubaid), Early Bronze and Iron Ages, were investigated by petrographic and X-ray diffraction (XRD) analyses to determine their textures, mineralogical compositions and microstructures. The sample microstructures and chemical (semiquantitative) compositions were also studied by scanning electron microscope with energy dispersive X-ray spectrometry (SEM - EDX). The chemical analyses of some samples were further investigated by inductively coupled plasma
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21

Åström, Ossian. "Sulfide Mineralogy in the Ballachulish contact metamorphic Aureole." Thesis, Stockholms universitet, Institutionen för geologiska vetenskaper, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-87237.

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16 samples of increasing metamorphic grade from the Ballachulish Igneous Complex and Aureole, located in the west of Scotland, were studied in order to analyze the sulfide mineralogy and to what extent they were affected by contact metamorphism. The samples were collected from two lithologies, the Creran Succession and the Ballachulish Slate lithology, as well as from the igneous complex. The sulfides of main interest in the samples are pyrite and pyrrhotite. At the onset of contact metamorphism, pyrite disappears while pyrrhotite gets more abundant as metamorphic grade increases. Pyrrhotite a
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Atkinson, Derek. "Towards understanding the magnetic mineralogy of archaeological ceramics." Thesis, University of Liverpool, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316485.

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Segnit, E. R. "Contributions to pure and applied mineralogy / E.R. Segnit." Thesis, [1987], 1987. http://hdl.handle.net/2440/38562.

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Wong, Wai-leung Nelson. "Thermal stability of luminescence signals relevant to dating /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19471129.

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Piilonen, Paula C. "Crystal chemistry, Mossbauer spectroscopy and paragenesis of astrophyllite group minerals from over- and undersaturated alkaline rocks." Thesis, University of Ottawa (Canada), 2001. http://hdl.handle.net/10393/9322.

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The crystal-chemistry and paragenesis of astrophyllite group minerals (AGM) from over- and undersaturated alkaline rocks has been documented by a combination of electron microprobe analyses, single-crystal and powder X-ray diffraction, Mossbauer spectroscopy, Fourier-transform infrared spectroscopy, nuclear reaction analysis, thermal gravitational analysis, thermal decomposition, wet-chemical methods and optical measurements. A standardized general formula for AGM has been developed, based on 31 anions, and is of the form A2BC7D 2T8O26(OH)4X 0-1, where [10]--[13]A = K, Rb, Cs, H3O+, H2O, or &
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Rosa, Daniel F. "Marble enclaves in the melt sheet at the West Clearwater Lake Impact crater, northern Quebec." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82417.

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The meteorite impact that formed the 32-km-diameter Upper Pennsylvanian (285 +/- 23 Ma) West Clearwater structure, situated about 125 km east of the Hudson Bay arc, northern Quebec, formed a sheet of impact melt now exposed on a central ring of islands. At least seven marble enclaves have been mapped in the melt sheet; this report is based on observations made on samples from two of these enclaves. These blocks represent recrystallized remnants of a cover of Middle Ordovician limestone, now completely eroded in the area. While the impact melt was still above its solidus, the locally fos
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Roelofsen, Jeanette N. "The primary and secondary mafic silicates of two alkaline anorogenic complexes : Strange Lake (Quebec-Labrador) and Amba Dongar (Gujarat, India)." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34440.

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The primary and secondary mafic silicates from the Amba Dongar carbonatitic-alkaline complex, Gujarat, India and the Strange Lake peralkaline granitic complex, Quebec-Labrador, Canada are the subject of this investigation of their origin, evolution and relationship to mineralization. Primary minerals are transformed by a variety of processes related to their crystallization history. The most important of these processes are: magma evolution, magma degassing and metasomatism. These processes are commonly associated with the evolution of peralkaline granitic and carbonatitic-alkaline complexes,
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Warner, Stephen. "Apatite in the Sudbury Igneous Complex, Ontario : monitor of fractionation, degassing, and a metamorphic overprint." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=24046.

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Apatite occurs as an accessory phase throughout the Sudbury Igneous Complex (SIC), Ontario, as well as in the overlying tuffaceous rocks of the Onaping Formation (OF). This investigation was designed to characterize the textural development and composition of apatite. Representative samples were taken from three traverses: the NW suite is the most pristine. Apatite is found primarily as a post-cumulus (or intergranular) phase, but becomes a cumulus mineral in the quartz gabbro. The apatite is F-rich; Cl and OH contents decrease from the base of the complex upward. Apatite in the OF has higher
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Thompson, Richard Maxwell. "Crystallographic models of the pyroxenes." Diss., The University of Arizona, 2004. http://hdl.handle.net/10150/290087.

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Geometric models of the pyroxenes have been developed that allow the calculation of pyroxene crystal chemical properties as a function of pressure, temperature, and composition. The set of all closest-packed stacking sequence labels of length N using the standard A, B, and C notation is partitioned into equivalence classes using the generalized symmetry group, Q ≅ D(N) x S₃. Representatives of each equivalence class are used to derive crystal structure data sets for all of the possible ideal pyroxenes based on stacking sequences of length 12 or less. Stacking sequences of observed pyroxenes ar
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Lopes, Syngra Machado [UNESP]. "Correlação entre dados geofísicos e geológicos em ocorrência de cobre localizada na bacia sedimentar do Camaquã - RS." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/92906.

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Made available in DSpace on 2014-06-11T19:26:14Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-10-01Bitstream added on 2014-06-13T19:33:37Z : No. of bitstreams: 1 lopes_sm_me_rcla.pdf: 3505764 bytes, checksum: ed3acf048f197f9f2239ff23fad5bf8b (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Os métodos geofísicos elétricos, principalmente a eletrorresistividade e polarização induzida (IP), são de grande relevância nos estudos das Geociências, principalmente em investigações de áreas com potencial mineral. Este trabalho visa integrar dados geofísicos, geo
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Lopes, Syngra Machado. "Correlação entre dados geofísicos e geológicos em ocorrência de cobre localizada na bacia sedimentar do Camaquã - RS /." Rio Claro, 2013. http://hdl.handle.net/11449/92906.

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Orientador: Walter Malagutti Filho<br>Banca: José Domingos Faraco Gallas<br>Banca: Cesar Augusto Moreira<br>Resumo: Os métodos geofísicos elétricos, principalmente a eletrorresistividade e polarização induzida (IP), são de grande relevância nos estudos das Geociências, principalmente em investigações de áreas com potencial mineral. Este trabalho visa integrar dados geofísicos, geológicos e furos de sondagens, para o estudo de uma ocorrência mineral de sulfeto de cobre disseminado, localizada no extremo norte da bacia sedimentar do Camaquã (RS). Esta bacia é composta por um conjunto de rochas s
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Vieira, Leandro Ballarin. "Caracterização morfológica de ocorrência de manganês por meio de dados geofísicos /." Rio Claro, 2015. http://hdl.handle.net/11449/190875.

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Orientador: César Augusto Moreira<br>Banca: Vinicius de Abreu Oliveira<br>Banca: George Luiz Luvizotto<br>Resumo: Na região de Itapira (SP) são conhecidas diversas ocorrências de manganês supergênico, dispostas em uma faixa que se estende desde Itapira-Socorro (SP) até Natércia-Careaçu (MG). Localmente o minério ocorre na forma de lentes, embutidas nos litotipos do Grupo Itapira (quartzitos e quartzo xistos), cujas rochas apresentam padrão estrutural complexo representado por dobras fechadas, redobradas e cisalhadas, com ângulos de mergulho médios a altos em suas porções axiais. Em campo o dep
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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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Awoleye, Olumuyiwa Adebayo. "Weathering and iron oxide mineralogy of Hong Kong granite." Thesis, University of Glasgow, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318702.

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Bullock, Emma Sarah. "The mineralogy and mineral chemistry of primitive carbonaceous chondrites." Thesis, Open University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427738.

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Cook, Nigel J. "Mineralogy and geochemistry of sulphide deposits at Sulitjelma, Norway." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/38268.

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Koukouzas, Nikolaos K. "Geology, mineralogy, and geochemistry of Greek perlites : industrial applications." Thesis, University of Leicester, 1994. http://hdl.handle.net/2381/35056.

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The most important Greek perlite deposits crop out on the islands of Milos (Provatas and Trachilas areas), Kimolos, and Kos, Aegean Sea, which are currently under exploitation. More than 200 specimens of raw perlite were collected from these perlite deposits and were subjected to physical, chemical, petrographic and expansion tests. The perlite deposits have been formed by a phreatomagmatic eruption, which is the last event of volcanic activity on the islands. Most of the deposits comprise the sand, ash, and perlitic fragments' formation, the perlitic lahar, the perlite beds, and the perlitic
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Wiese, Manuela. "Lunar mineralogy with SIR-1 and Clementine UVVIS/NIR." Göttingen Copernicus Publ, 2009. http://d-nb.info/999293907/04.

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Aiglsperger, Thomas Hans. "Mineralogy and geochemistry of the platinum group elements (PGE), rare earth elements (REE) and scandium in nickel laterites." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/396340.

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Ni laterites are considered worthy targets for critical metals (CM) exploration as rare earth elements (REE), Sc and platinum group elements (PGE) can be concentrated during weathering as a result of residual and secondary enrichment. In this investigation geochemical and mineralogical data of CM from two different nickel laterite types (i) from the Moa Bay mining area in Cuba (oxide type) and (ii) from the Falcondo mining area in the Dominican Republic (hydrous Mg silicate type) are presented. Emphasis is given on examining their potential to accumulate CM and on processes involved. Results s
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Amores, Casals Sandra. "Evolución metalogenética de complejos carbonatíticos en contexto hipoabisal y plutónico: Bonga y Monte Verde (Angola)." Doctoral thesis, Universitat de Barcelona, 2017. http://hdl.handle.net/10803/666643.

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En Angola afloran complejos carbonatíticos en todos los niveles de emplazamiento tanto plutónico, hipoabisal como volcánico. Recientemente, se han caracterizado en detalle algunos de estos complejos debido a las mineralizaciones en HFSE y REE que presentan así como su comportamiento en función del nivel de emplazamiento. Sin embargo, aún no se conoce con precisión la distribución de elementos raros en ambientes subvolcánicos explosivos. Los complejos de Monte Verde y Bonga muestran mineralizaciones en las manifestaciones explosivas de modo que su estudio ha permitido describir y comprender la
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Amorim, Lucas Eustáquio Dias. "O granito São Timóteo no perfil Monsenhor Bastos, província uranífera de Lagoa Real: mineralogia, geoquímica e fluidos." CNEN - Centro de Desenvolvimento da Tecnologia Nuclear, Belo Horizonte, 2012. http://www.bdtd.cdtn.br//tde_busca/arquivo.php?codArquivo=311.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Foram estudados corpos graníticos localizados no setor Monsenhor Bastos, porção sudoeste da Província Uranífera de Lagoa Real (PULR). A amostragem foi desenvolvida nas pedreiras de Lagoa Linda (LL), Pedreira Nova (PN) e no granitoide Lajedo (GR) este ultimo que aflora imediatamente a leste da anomalia uranífera AN02. O trabalho focaliza aspectos mineralógicos, geoquímicos, tipológicos e de fluidos desses granitoides, a fim de classificá-los mineralogica, textural e quimicamente. Foram utilizadas as metodologias de petrografia, micr
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Amorim, Marcelo Andrade. "Estudo da sedimentação recente na Várzea do Lago Grande do Curuai, Pará, Brasil." Niterói, 2017. https://app.uff.br/riuff/handle/1/3328.

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Submitted by Biblioteca de Pós-Graduação em Geoquímica BGQ (bgq@ndc.uff.br) on 2017-04-12T18:22:46Z No. of bitstreams: 1 DISSERTACAO FINAL.pdf: 15541917 bytes, checksum: 940f97454f86a3dd6d44d0d9e2f2cde9 (MD5)<br>Made available in DSpace on 2017-04-12T18:22:46Z (GMT). No. of bitstreams: 1 DISSERTACAO FINAL.pdf: 15541917 bytes, checksum: 940f97454f86a3dd6d44d0d9e2f2cde9 (MD5)<br>Universidade Federal Fluminense. Instituto de Química. Programa de Pós-Graduação em Geociências- Geoquímica Ambiental. Niterói, RJ<br>As várzeas são ecossistemas extremamente ricos, em termos de biodiversidade e de
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Camargo, Livia Arantes [UNESP]. "Relações entre mineralogia da argila, suscetibilidade magnética e adsorção de fósforo em latossolos da região de Jaboticabal-SP." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/100827.

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Made available in DSpace on 2014-06-11T19:31:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-01-24Bitstream added on 2014-06-13T18:41:29Z : No. of bitstreams: 1 camargo_la_dr_jabo.pdf: 3142663 bytes, checksum: 14ec5de45a255a8c558e22f6d97b190a (MD5)<br>O presente trabalho tem como objetivos caracterizar a mineralogia da fração argila e a suscetibilidade magnética em diferentes superfícies geomórficas, avaliar a correspondência entre difração de raios x e a espectroscopia de reflectância difusa no auxílio das estimativas dos teores de goethita e hematita, avaliar a influência dos óxi
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Brenner, Thomas Lafayette [UNESP]. "The fortaleza de minas nickel, copper and platinoids deposit: ore types, tectonics and volcanological aspects." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/103043.

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Made available in DSpace on 2014-06-11T19:32:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-10-27Bitstream added on 2014-06-13T20:03:47Z : No. of bitstreams: 1 brenner_tl_dr_rcla.pdf: 5393143 bytes, checksum: 7eaa1af514649401cca544334b60985f (MD5)<br>O depósito de Fortaleza de Minas vem sendo estudado a mais de 20 anos desde a sua descoberta em 1983 e apresenta similaridades com outros depósitos komatiíticos arqueanos descritos na literatura. Sua configuração atual reflete ação de processos metamórficos e deformacionais diversos gerando novos tipos de minério sem, no entanto, per
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Camargo, Livia Arantes. "Relações entre mineralogia da argila, suscetibilidade magnética e adsorção de fósforo em latossolos da região de Jaboticabal-SP /." Jaboticabal, 2013. http://hdl.handle.net/11449/100827.

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Orientador: José Marques Júnior<br>Coorientador: Gener Tadeu Pereira<br>Banca: Dilermano Perecin<br>Banca: Newton La Scala Júnior<br>Banca: Pablo Vidal Torrado<br>Banca: Alberto Vasconcelos Inda Júnior<br>Resumo: O presente trabalho tem como objetivos caracterizar a mineralogia da fração argila e a suscetibilidade magnética em diferentes superfícies geomórficas, avaliar a correspondência entre difração de raios x e a espectroscopia de reflectância difusa no auxílio das estimativas dos teores de goethita e hematita, avaliar a influência dos óxidos de ferro na adsorção de fósforo bem como a cali
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Curtolo, Murilo Zaine. "Caracterização tecnológica de matérias-primas cerâmicas proveniente da Formação Tatuí na região de Ipeúna (SP) /." Rio Claro, 2019. http://hdl.handle.net/11449/182437.

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Orientador: Guillermo Rafael Beltran Navarro<br>Resumo: Conhecido por ser um dos polos cerâmicos de maior destaque da América Latina, o Polo Cerâmico de Santa Gertrudes (PCSG), tem o diferencial de seus produtos associado aos argilitos e siltito provenientes da Formação Corumbataí (Neopermiano da Bacia do Paraná) aflorantes por toda a região dos municípios de Cordeirópolis, Ipeúna, Limeira, Piracicaba, Rio Claro e Santa Gertrudes (SP). Devido à sua importância no mercado nacional e internacional, o PCSG tem sido objeto constante de estudos que visam aprimorar sua produção e buscar novas fontes
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Santos, Aline Moreno Ferreira dos. "Concentrações de hematita e goetita em diferentes cenários de mudanças climáticas /." Jaboticabal, 2019. http://hdl.handle.net/11449/183597.

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Orientador: Glauco de Souza Rolim<br>Resumo: Nos solos a goetita e hematita são os principais representantes dos óxidos de ferro, estes minerais necessitam de condições distintas para sua formação, e apresentam influências positivas nas propriedades físicas e químicas do solo. Embora os óxidos de ferro sejam considerados estáveis por longo tempo, estes tem apresentado diferenças no teor em intervalo de tempo menor. Existindo ainda os minerais pedogênicos e litogênicos e sendo a disponibilidade destes minerais fortemente relacionados às condições climáticas. O objetivo deste estudo foi relacion
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Scudder, Susan Marie. "A Multi-Method Study of Metamorphism and Fluid Flow During Contact Metamorphism of the May Lake Interpluton Screen, Yosemite National Park, California." Thesis, San Jose State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10624355.

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<p> The May Lake interpluton screen is a 4 km long, &sim;0.5 km wide swath of metamorphic rock cropping out between plutons of the &sim;103 Ma Yosemite Valley Intrusive Suite and the &sim;93-85 Ma Tuolumne Intrusive Suite in Yosemite National Park, California. Metasomatic alteration and recrystallization due to contact metamorphism and fluid infiltration resulted from the emplacement of the Cretaceous plutons. Mineral assemblages are consistent with metamorphism to hornblende-hornfels and amphibolite facies. The presence of sillimanite-bearing metapelite and more Mg-rich clinopyroxene in calc-
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Liu, Qi. "The role of mineral surface composition and hydrophobicity in polysaccharide/mineral interactions." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28861.

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The interactions of polysaccharides (dextrin, amylopectin and carboxymethyl cellulose (CMC)) with variously modified quartz samples were investigated using floatability, wettability, electrokinetic and adsorption tests, supplemented by conventional titration and infrared spectroscopic studies. The quartz samples were treated either by methylation (rendered hydrophobic), lead coating (introduction of metallic adsorption centres), or both forms of surface modification. The presence of metal ionic sites on a quartz surface played a decisive role in polysaccharide adsorption. The adsorption densi
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Pigeon, Luc. "Mineralogy, petrology and petrogenesis of syenitic rocks of the Porcupine-Destor fault zone near Matheson, Ontario." Thesis, University of Ottawa (Canada), 2003. http://hdl.handle.net/10393/26423.

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The mineralogy, petrology and petrogenesis of a representative suite of late Archean syenitic intrusions emplaced along the Porcupine-Destor fault zone near Matheson, Ontario in the southern Abitibi greenstone belt are studied using a combined approach involving field work, petrography, mineral chemistry and, major and trace element geochemistry. Members of the Matheson suite are from east to west: Iris, Garrison, Emens, Ludgate and Pangea intrusions. The Iris, Emens, Ludgate and Pangea intrusions are mostly composed of syenitic rocks with compositions ranging from alkali-feldspar quartz-syeni
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