• Rua Carlos Gomes, 250 - CEP: 13083-855 - Campinas, SP, Brasil

Image not available

  • Portuguese, Brazil
    Image not available
  • English
    Image not available
  • Spanish
    Image not available
Utilizar o username do domínio IGE
Utilizar a senha do domínio IGE
  • Recuperar senha
IG 45 anos
Image not available
Unicamp
Image not available

Main Menu

  • Institucional
    • Apresentação
      • 30 anos de IG
      • 40 anos de IG
      • 45 anos de IG
      • Professores Eméritos
    • Diretoria
    • Colegiados
      • Congregação
      • CID
      • Legislação e Regimentos
    • Departamentos
      • DGEO
      • DGRN
      • DPCT
    • Relatórios
    • PLANES
    • AcolheIG
    • Biblioteca
      • Comissão
      • Regimento
      • Equipe
      • Serviços
      • Links
      • Redes Sociais
    • Mapeamento de Processos do IG
    • Periódicos do IG
    • Concursos Docentes
    • Programa de Pesquisador de Pós Doutorado
    • Concursos Técnicos e Administrativos
    • Contato
  • Comunidade
    • Docentes
    • Colaboradores
    • Técnicos e Administrativos
    • Pesquisadores
    • PosDocs
  • Graduação
    • Apresentação
    • Graduação em Geologia
    • Graduação em Geografia
    • Comissão de Graduação
    • Núcleo Docente Estruturante
    • Área do aluno
    • Ingresso na graduação
    • Disciplinas
    • Bolsas e estágios
    • Entidades estudantis
    • Contato
  • Pós-graduação
    • Apresentação
    • Programas
      • Ensino e História de Ciências da Terra
      • Geociências
      • Geografia
      • Política Científica e Tecnológica
    • Regulamentos e Catálogos
    • Comissão Geral da Pós-Graduação
    • Entidades Estudantis
    • PED - Programa de Estágio Docente da Unicamp
    • Bolsas
    • PRINT
      • Análise dos componentes naturais e das suas transformações
      • Ciência, Tecnologia, Inovação para a Sustentabilidade
      • Fronteiras do conhecimento em Geociências
      • Geoparques, Comunidades e Cidades Resilientes
      • Globalização e dinâmicas sócio-espaciais
    • Disciplinas
    • Estudante Especial
    • Defesas e Qualificações
      • Agenda
      • Procedimentos para Defesas e Qualificações
    • Repositório de Teses e Dissertações
    • Contato
  • Pesquisa
    • Apresentação
    • Comissão de Pesquisa
    • Recursos para pesquisa
    • Escritório de Apoio a Projetos
    • Produção acadêmica e técnico científica
    • Grupos de pesquisa
    • Contato
  • Laboratórios
  • Cultura e Extensão
    • Apresentação
    • Comissão de Extensão
    • Cursos de Extensão e Especialização
    • Atividades de Extensão
    • Formulário para cadastrar Ações de Extensão
    • Edital Extensão
    • Esquema de Ações de Extensão
    • UPA Virtual 2021
    • Contato
  • Comunicação
    • Notícias
    • Clipping
    • Redes Sociais

geologia

Trilha de navegação

  • Início
  • geologia

Paleoproterozoic crustal evolution of the northern Borborema Province, NE Brazil: Insights from high-grade metamorphic rocks of the Canindé do Ceará Complex

  • Mais info about Paleoproterozoic crustal evolution of the northern Borborema Province, NE Brazil: Insights from high-grade metamorphic rocks of the Canindé do Ceará Complex

Archean to Paleoproterozoic crustal segments are widely recognized as basement inliers within the Neoproterozoic orogenic belts of the Pan-African/Brasiliano orogeny. For example, the Canindé do Ceará Complex, in the northern Borborema Province, NE Brazil, comprises a large domain of Paleoproterozoic high-grade metamorphic rocks with a protracted tectonic history. This complex is dominantly represented by sillimanite- and graphite-bearing metasedimentary rocks with associated tonalitic to granodioritic orthogneisses.

Paleoproterozoic gold deposits at Alta Floresta Mineral Province, Brazil: Two overprinted mineralizing events?

  • Mais info about Paleoproterozoic gold deposits at Alta Floresta Mineral Province, Brazil: Two overprinted mineralizing events?

Large gold provinces commonly show complicated mineralization histories, and the Paleoproterozoic Alta Floresta, one of Brazil's most exciting Au–Cu mineral provinces, is a good example. The current models define four deposit types, all connected to a single (1.88–1.75 Ga) magmatic–hydrothermal event. However, long Province history, diverse geodynamic environment and older ages of type-1 mineralization weaken the single metallogenic event and enable the hypothesis of overprinted mineral events.

Permian Western Gondwana food chain elucidated by coprolites from the Corumbataí Formation (Paraná Basin, Brazil)

  • Mais info about Permian Western Gondwana food chain elucidated by coprolites from the Corumbataí Formation (Paraná Basin, Brazil)

Fossilized feces (coprolites) are remarkable tools for paleobiology and paleoecology assessment.

Projeto geobike: pedalando sobre rochas e motivando ações alternativas para trabalhos de campo em geociências

  • Mais info about Projeto geobike: pedalando sobre rochas e motivando ações alternativas para trabalhos de campo em geociências
O Projeto Geobike é uma iniciativa que objetiva aproveitar o potencial geológico de uma determinada região, utilizando a bicicleta como meio de transporte com o propósito de estimular e divulgar as Geociências tanto para os estudantes e profissionais da área acadêmica quanto para entusiastas das Ciências da Terra.

Remote sensing reveals unprecedented sublethal impacts of a 40-year-old oil spill on mangroves

  • Mais info about Remote sensing reveals unprecedented sublethal impacts of a 40-year-old oil spill on mangroves

Abstract: Oil spills cause long-lasting mangrove loss, threatening their conservation and ecosystem services worldwide. Oil spills impact mangrove forests at various spatial and temporal scales. Yet, their long-term sublethal effects on trees remain poorly documented. Here, we explore these effects based on one of the largest oil spills ever recorded, the Baixada Santista pipeline leak, which hit the mangroves of the Brazilian southeastern coast in 1983.

Rhyacian-Orosirian Khondalite Belt in the Borborema Province (NE Brazil): An active margin setting based on U–Pb zircon and monazite constraints

  • Mais info about Rhyacian-Orosirian Khondalite Belt in the Borborema Province (NE Brazil): An active margin setting based on U–Pb zircon and monazite constraints

Khondalite belts are of special importance is delimiting old suture zones and in palaeocontinental reconstruction of Precambrian terrains. In the South-American Platform, khondalitic rocks surround cratonic areas and Archean blocks reworked in the Neoproterozoic, an example of which being the Ceará Khondalite Belt (CKB). Located in the northern portion of the Borborema Province in NE Brazil, CKB is here described by means of its petrographic, structural, and LA-SF-ICP-MS zircon and monazite U–Pb geochronological characteristics.

Sedimentary processes and paleoenvironment reconstruction of the Barra Velha formation, Santos Basin, Brazilian pre-salt

  • Mais info about Sedimentary processes and paleoenvironment reconstruction of the Barra Velha formation, Santos Basin, Brazilian pre-salt

The Barra Velha carbonates are widely known for their complexity regarding facies, diagenetic features, and depositional history. The absence of recent analogues representing the depositional setting of these rock formations leaves many uncertainties concerning the sedimentary process that generated them.

Taphonomic analysis of microfossil bonebeds from Western Gondwana: a case study from the late Permian Corumbataí Formation (Paraná Basin, Brazil)

  • Mais info about Taphonomic analysis of microfossil bonebeds from Western Gondwana: a case study from the late Permian Corumbataí Formation (Paraná Basin, Brazil)

Storm deposits are common in geological records and encompass a variety of fossil assemblages affected by taphonomic processes that can biased fossil preservation. Here, we describe a microfossil bonebed to demonstrate the role played by certain filters in the final composition of storm-generated fossil accumulations. These layers are recurrent in the Paraná Basin and possibly in other localities of Gondwana, outcropping over 1000 km in the Permian units of the basin.

Taubaracna maculosa: First fossil spider from paleogene in South America

  • Mais info about Taubaracna maculosa: First fossil spider from paleogene in South America

Spiders (Order Araneae) can be found in all continents, except Antarctica. This order has a long evolutionary history that began during the Paleozoic Era. Despite this prolonged span and the diversity of extant species, the fossil record of spiders is relatively modest, with most specimens preserved in amber and found in the Northern Hemisphere. Taubaracna maculosa nov. gen.

The absence of an invasive air sac system in the earliest dinosaurs suggests multiple origins of vertebral pneumaticity

  • Mais info about The absence of an invasive air sac system in the earliest dinosaurs suggests multiple origins of vertebral pneumaticity

The origin of the air sac system present in birds has been an enigma for decades. Skeletal pneumaticity related to an air sac system is present in both derived non-avian dinosaurs and pterosaurs. But the question remained open whether this was a shared trait present in the common avemetatarsalian ancestor. We analyzed three taxa from the Late Triassic of South Brazil, which are some of the oldest representatives of this clade (233.23 ± 0.73 Ma), including two sauropodomorphs and one herrerasaurid.

Paginação
  • Página anterior ‹‹
  • Página 2
  • Próxima página ››
Inscrever-se em geologia

Endereço

Rua Carlos Gomes, 250
CEP: 13083-855
Campinas, SP

Como chegar  

22º48'48"S 47º04'09"W

Footer menu

  • Feedback do Portal

Links

  • Email Unicamp
  • Sistemas e Solicitações
  • Intranet (antiga)
  • Logotipos do IG
  • Fale com o IG

Menu do usuário

  • Entrar
IG 45 anos
Unicamp

Copyright © 2025 IG, Unicamp. Todos os direitos reservados

Notifications