Sedimentary Geology
Mostrando 1-12 de 25 artigos, teses e dissertações.
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1. Geology, geochemistry and petrology of basalts from Paraná Continental Magmatic Province in the Araguari, Uberlândia, Uberaba and Sacramento regions, Minas Gerais state, Brazil
Abstract: This study covers the region between the cities of Sacramento and Araguari/Uberlândia (Minas Gerais State, Brazil), where basalt flows from the Paraná Continental Magmatic Province outcrop. The investigated rocks present tholeiitic signature, with high titanium content, and are classified as Pitanga magma-type. The preserved basalt thickness is b
Braz. J. Geol.. Publicado em: 22/02/2018
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2. Genesis and Classification of Soils from Subtropical Mountain Regions of Southern Brazil
ABSTRACT Soils formed in high mountainous regions in southern Brazil are characterized by great accumulation of organic matter (OM) in the surface horizons and variation in the degree of development. We hypothesized that soil properties and genesis are influenced by the interaction of parent materials and climate factors, which differ depending on the locati
Rev. Bras. Ciênc. Solo. Publicado em: 03/11/2016
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3. Um processo de aquisição e mapeamento de dados para as bacias sedimentares marginais brasileiras
Finding oil is a hard task that requires large amounts of information and resources. Along decades of research, geoscientists from Petrobras have accumulated great amout of data. Therefore, in petroleum geology other sources of important data are generally dispersed and have many forms of representation. This Master Thesis reports the creation of a database
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/03/2012
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4. Proveniência de rochas metassedimentares do Greenstone Belt do Rio Itapicuru, Bahia / Provenance of metassedimentary rocks from Rio Itapicuru Greenstone Belt, Bahia
A área em estudo localiza-se entre o embasamento mesoarqueano do Núcleo Serrinha e o Greenstone Belt do Rio Itapicuru (BA). O Núcleo Serrinha é constituído pelo Complexo Santa Luz, caracterizado por rochas metamórficas gnáissico-migmatíticas (Mascarenhas 1979), cobertas pelas vulcânicas do Grupo Capim (Winge 1984, apud. Cruz Filho et al. 2003) e pel
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/03/2010
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5. Evolução tectono-estratigráfica e paleoclimática da formação maricá (Escudo Sul-Rio-Grandense, Brasil) : um exercício de geologia histórica e análise integrada de uma bacia sedimentar neoproterozóica
Significant improvement in the knowledge concerning the Neoproterozoic Maricá Formation of the Sul-riograndense Shield, southern Brazil, was obtained in the latest years. This contribution synthesizes recent data obtained though an integrated analysis of the lowermost unit of the “Camaquã Basin”. Stratigraphic and paleocurrent analyses, petrography, Sr
Publicado em: 2010
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6. Tectônica e sedimentação na Bacia do Camaquã Central (RS): exemplos do Grupo Guaritas e do Grupo Santa Bárbara / Tectonics and sedimentation in Central Camaquã Basin: the Guaritas Group and the Santa Bárbara Group
The relationship between tectonics and sedimentation plays a primordial role in the understanding of sedimentary successions. On the other hand, the study of pre-Silurian fluvial deposits represents a challenge due to the lack of interaction between land plants and river systems which characterizes post-Silurian environments. The Camaquã Basin (Ediacaran to
Publicado em: 2010
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7. Metalogênese do depósito de cobre Cerro dos Martins, RS: revisão e geoquímica isotópica de SR, O e C-
This paper presents the geology, chemical data, Pb-Pb zircon ages, sulfur, carbon, oxygen, strontium isotopes and fluid inclusions of Cerro dos Martins copper deposit. The deposit is hosted by the Neoproterozoic volcano-sedimentary sequence of the Camaquã Basin in the Rio Grande do Sul Shield, southern Brazil. The ores consist of a set of Cu-sulfide NW-tren
Publicado em: 2010
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8. Geobiologia do Atol das Rocas, Atlântico Sul Equatorial
This thesis approaches the geobiology of the only Atoll in the South Atlantic Ocean. Different classifications were made for Rocas Reef Complex along the nineteenth and twentieth century, which are evaluated historically. Biogeomorphological analysis and mapping of the reef units were done on the Rocas Atoll for the comprehension of the sedimentary dynamic a
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2009
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9. Relação solo-relevo-substrato geológico na planíce costeira de Bertioga (SP) / Soil-relief-geologic substract relationship on the coastal plain of Bertioga (SP)
Knowledge of the chronology, relief, geology and soils in sedimentary coastal environments is relevant for their interpretation, reconstitution and conservation. In Bertioga, São Paulo State Brazil, several sections of the Pleistocene and Holocene morphostratigraphic costal plain units are preserved in the landscape. This thesis seeks the perception of the
Publicado em: 2009
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10. Petrogenese do granodiorito Fazenda Gavião : registro de uma colisão arco-continente no greenstone belt do Rio Itapicuru, Craton do São Francisco, Bahia / Petrogenesis of the Fazenda Gavião granodiorite : a record of an arc-continent collision in the Rio Itapicuru greenstone belt, São Francisco Craton, Bahia
The Rio Itapicuru greenstone belt is a gold-bearing Palaeoproterozoic volcanic-sedimentary sequence intruded by several granitic plutons in the time interval 2160-2070 Ma. The Fazenda Gavião granodiorite (FGG) is one of a set of plutons emplaced along the western boundary of the greenstone belt with the Archaean basement complex. The FGG is largely composed
Publicado em: 2008
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11. High resolution stratigraphy and organic geochemistry of the Tremembé formation, tertiary of the Taubaté Basin, in the region of Taubaté-Tremembé-SP. / Estratigrafia de alta resolução e geoquímica orgânica da formação Tremembé, terciário da bacia de Taubaté, na região de Taubaté-Tremembé-SP.
This work is about the study of the high-resolution stratigraphy and organic geochemistry of the Tremembé Formation, in the Taubaté Sedimentary Basin-SP, of Cenozoic age. This work is based on the Total Organic Carbon contents (TOC), total sulphur contents and Insoluble Residue contents (IR), Rock-Eval pyrolysis data as well as the results of gamma rays sp
Publicado em: 2007
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12. Biodisponibilidade de mercurio e outros metais-traço em sedimentos do Rio Cubatão, Sistema Estuarino de Santos-Cubatão (SP) / Bioavailability of mercury and other trace-metals in sediments of Cubatão River, Santos-Cubatão Estuarine System (SP)
Coastal-estuarine ecosystems from the south of São Paulo State are presently degraded specially in Cubatão municipality, in consequence of population concentration and, industrial and petrochemical complexes. These environmental impacts have begun in the 1950s after the construction of the largest Latin America petrochemical complex in the Cubatão city.
Publicado em: 2007