A5002418672- Geochemistry and Geologic Mapping
- Geological and Geochemical Analysis
- Geography and Environmental Studies
- earthquake and tectonic studies
- Paleontology and Stratigraphy of Fossils
- Geological formations and processes
- Youth Culture and Social Dynamics
- Groundwater flow and contamination studies
- Methane Hydrates and Related Phenomena
- Youth, Politics, and Society
- Geology and Paleoclimatology Research
- Mineralogy and Gemology Studies
- Geological Modeling and Analysis
- Tailings Management and Properties
- Groundwater and Watershed Analysis
- Iron oxide chemistry and applications
- Minerals Flotation and Separation Techniques
- Latin American social science
- Groundwater and Isotope Geochemistry
- Clay minerals and soil interactions
- Seismic Waves and Analysis
Governo do Estado de São Paulo
2008-2023
Universidad Nacional de San Martín
2023
Instituto Geológico
2003-2021
Secretaria do Meio Ambiente
2005-2021
A succession of trachydacitic lava flows over 150 m thick constitutes the lowermost portion Serra Geral Fm. along Paranapanema River valley in Piraju-Ourinhos region, State São Paulo. The have a well-defined zonality: central is made up grey porphyritic dacites with low glass and vesicle proportion which grade towards contacts to strongly vesiculated varieties glassy groundmass which, when contact Botucatu basal sandstones or larger bodies inter-flow sandstone, show typical chocolate-brown...
Relativo à tectônica dos eventos precursores da gênese do Oceano Atlântico central, na Província Parnaíba ocorre a Formação Mosquito, uma sucessão de derrames basálticos com intercalações camadas sedimentares.Estes depósitos acumularam-se sobre paleobaixos topográficos e seus contatos são erosivos base no topo das sucessões sedimentares.No vale rio Mosquito encontra-se mais espessa sedimentar:
Idades U-Pb em zircão com valores entre 660 e 640 Ma, obtidas uma série de ortognaisses plútons afinidades cálcio-alcalinas, no sudeste da Província Mantiqueira Central, sugerem que um importante período magmatismo cordilherano ocorreu nesta região antes etapa colisional aglutinação do Gondwana Ocidental (até então reportado ao 625 580 Ma). A natureza isotópica deste ainda não foi bem caracterizada, entanto, alguns dados isotópicos Sm-Nd preliminares estes magmas foram derivados...
The Serra Geral Fm. in the Piraju-Ourinhos region (SW of State São Paulo) is made up initial flows acidic composition which were deposited over sandstones Botucatu Fm., and covered by basalt crop out north Paranapanema river. Geochemical analyses a suite extrusive intrusive basic rocks reveal significant variations that can be used as tools for stratigraphic correlation. All from proportion show affinity with Pitanga type. A set dike rocks, however, shows lower Ti/Y ratios weakly...
Abstract Luminescence characteristics of quartz and feldspar allow to discriminate sediments from different source areas. Particularly, sensitivity optically stimulated luminescence (OSL) thermoluminescence (TL) signals infrared‐stimulated (IRSL) Quaternary has been used for provenance analysis. These properties change due area denudation rates sediment reworking, which drive the number burial irradiation‐solar exposure cycles grains in surface systems. Here, we use first time a similar...
From Araraquara to Avaré, in the Serra Geral Group outcropping area, 22 detailed geological sections were elaborated. The stratigraphic relationships and chemical analysis allowed identification of seven [P2O5] basalt classes, all them pertaining Pitanga type, showing a consistent stacking order across studied region. Thus, each class is considered correspond specific lava flow, allowing general column be proposed. Besides order, validation P2O5 as tool for correlation at great distances was...
The Serra Geral Fm. in the Piraju-Ourinhos region (SW of State Sao Paulo) is made up initial flows acidic composition which were deposited over sandstones Botucatu Fm., and covered by basalt crop out north Paranapanema river. Geochemical analyses a suite extrusive intrusive basic rocks reveal significant variations that can be used as tools for stratigraphic correlation. All from proportion show affinity with Pitanga type. A set dike rocks, however, shows lower Ti/Y ratios weakly...
Zeolites associated with eruptive rocks from the Serra Geral Formation occur in Piraju-Ourinhos region (SW of State São Paulo). These zeolites were selected for a study their technological properties retaining some contaminants soil and water. Two samples analysed: amygdaloidal dacite (ZD) concentrate (ZP) extracted amygdales this rock. The chemical mineralogical composition, surface area, micromorphology cationic exchange capacity (CEC) these determined. analyses show that zeolite...
Zeolites associated with eruptive rocks from the Serra Geral Formation occur in Piraju-Ourinhos region (SW of State Sao Paulo). These zeolites were selected for a study their technological properties retaining some contaminants soil and water. Two samples analysed: amygdaloidal dacite (ZD) concentrate (ZP) extracted amygdales this rock. The chemical mineralogical composition, surface area, micromorphology cationic exchange capacity (CEC) these determined. analyses show that zeolite...
The Parnaíba basin is a 7.8 × 105 km2 Phanerozoic sedimentary province in NE South America which hosts basic and (rare) intermediate (to acid) rocks of large igneous provinces (LIP) related to the early stages Atlantic rifting episodes. Upper Triassic/Lower Jurassic (Rhaetian/Hettangian) Mosquito Formation Central Magmatic Province (CAMP) has been historically characterized on western side basin, while Early Cretaceous (Hauterivian/Valanginian) Sardinha Equatorial (EQUAMP) considered...
Algumas ocorrências de vidro vulcânico maciço foram reconhecidas na região oeste do Estado São Paulo durante mapeamento geológico para prospecção e caracterização tecnológica materiais pozolânicos. O está associado aos traquidacitos da Formação Serra Geral. A geometria desses corpos ainda não modelada por estar encoberta sedimentos. Essas rochas puderam ser identificadas como pozolanas naturais, pois o componente ativo que é reagiu com a cal, em condições laboratório, resultando um silicato...
The southern portion of the Socorro Domain in region Sao Francisco Xavier, contains many occurrences mafic granulites as lenses or boudins within high grade pelitic gneisses ( ca. 625 Ma) xenolith included quartz mangerite Xavier Massif (pos orogenic ca . 590 Ma). granulite is dark grey to black, have fine grained granoblastic textures and foliated banded structures. commonest minerals are orthopyroxene (hypersthene Fe-hypersthene), clinopyroxene (saliteaugite), plagioclase...
El siguiente trabajo buscó desarrollar una serie de análisis y reflexiones a partir la obra circo Amista’ (2021) Tomi Soko, en cual se despliega relación íntima afectiva tres malabaristas semáforo. Resultó interés pensar torno decisión política crear desde ese punto partida, ya que exponen durante las tensiones sobre el dinero, competencia entre artistas callejeros disputa por reconocimiento. artículo estructuró ejes donde lo político adquiere connotaciones específicas: temática, lenguaje...
A succession of trachydacitic lava flows over 150 m thick constitutes the lowermost portion Serra Geral Fm. along Paranapanema River valley in Piraju-Ourinhos region, State Sao Paulo. The have a well-defined zonality: central is made up grey porphyritic dacites with low glass and vesicle proportion which grade towards contacts to strongly vesiculated varieties glassy groundmass which, when contact Botucatu basal sandstones or larger bodies inter-flow sandstone, show typical chocolate-brown...