Directory of Open Access Journals (DOAJ)
Produção Nacional
Revisado por pares
Nélson Joaquim Reis, Umberto G. Cordani, Luís Emanoel Alexandre Goulart, Marcelo Esteves Almeida, Vanessa da Silva Oliveira, Victor Câmara Maurer, Ingo Wahnfried,
The Demeni-Mocidade domain (DMD) comprises a large area of granitoid rocks, located on the border between the states of Roraima and Amazonas, Brazil, within the inner part of the Ventuari-Tapajos Province of the Amazonian Craton, where large amounts of granitoid rocks, formed between 2.0-1.8 Ga, are predominant. This study examines six granite samples collected from the Mocidade and Demeni mountains, which are related in time to the Uatuma Silicic Large Igneous Province (SLIP), which, in turn, covers ...
Tópico(s): Geochemistry and Geologic Mapping
2021 - | Journal of the Geological Survey of Brazil
... the Journal of the Geological Survey of Brazil -JGSB -enters its sixth year of activities.Growth is ... In 2022, two innovations were introduced in the JGSB's processing: (i) the publication of the accepted ... a given period.In this classification edition, the JGSB was placed in the B4 stratum, both in ... in Brazil, as is the case of the JGSB.
2023 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
... the Journal of the Geological Survey of Brazil – JGSB – to the Geoconservation theme. I am grateful to ... best possible. And, obviously, the authors who accepted JGSB as the venue for publishing your research, without ...
Tópico(s): Geotourism and Geoheritage Conservation
2021 - | Journal of the Geological Survey of Brazil
Amrita Singh, Carmine Fedele, Renato V. Iozzo, Lucia R. Languino,
... Foundation Post-Doctoral Research Fellowship to CF; a JGSBS Alumni Association Graduate Student Travel Fellowship to AS. ...
Tópico(s): Prostate Cancer Treatment and Research
2015 - American Association for Cancer Research | Cancer Research
Produção Nacional
Revisado por pares
Paulo de Tarso Amorim Castro, Kátia Leite Mansur, Úrsula Ruchkys de Azevedo, Rosely Aparecida Liguori Imbernon,
The last thirty years have seen major changes in the relationship between humanity and the Earth system.The United Nations Conference on Environment and Development, RIO 92, brought both the society and the scientific community, in general, the perception of the need for an integrated view of the Earth and the meaning of the irresponsible intensity of the exploitation of natural resources, by definition restricted to the planet.From this convention emerged integrative initiatives in the natural, ...
Tópico(s): Geotourism and Geoheritage Conservation
2021 - | Journal of the Geological Survey of Brazil
Marcelo Esteves Almeida, Antonio Charles da Silva Oliveira, João Orestes Schneider Santos, Joseneusa Brilhante Rodrigues, Gilles Ruffet,
The Juruena Terrain (Rondônia-Juruena Province) in the southeastern Amazonas State shows a NW-SE dextral shear zones system denominated Roosevelt-Guariba Transpressive Belt (RGTB).The RGTB was generated in response to intracontinental crustal reworking, juxtaposing Paleoproterozoic Juruena granitic-gneiss and coeval supracrustal associations.This granitic-gneiss basement shows high-K calcalkaline (Teodósia Suite) to transitional I-to A-type (Igarapé das Lontras Suite) signatures, produced in a continental ...
Tópico(s): Geochemistry and Elemental Analysis
2022 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
Gabriel Machado da Silva, Atlas Vasconcelos Corrêa Neto, Mariana Brando Soares, Felipe Emerson André Alves, Nicollas de Oliveira Ferreira Santos, Piero Azevedo Berquó de Sampaio, Vitor Diniz Silveira, Gabriel Faria Gonçalves,
The Faina gold deposit, located in the Pitangui Greenstone Belt, NW of the Quadrilátero Ferrífero, Brazil, has produced gold from the oxidized portion of the deposit between June 2010 and June 2013. However, the deeper hypogene (sulfide-rich) section of the deposit has shown lower-than-expected recovery rates after direct leaching, leading to the interruption of gold production. This research presents a multi-methodological approach (drill core description, multi-element geochemical analyses and mineral ...
Tópico(s): Minerals Flotation and Separation Techniques
2025 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
Debora Rabelo Matos, Paulo Marques Abreu, Rafael Toscani, Diego Guilherme da Costa Gomes,
Tópico(s): Geophysical and Geoelectrical Methods
2025 - | Journal of the Geological Survey of Brazil
Guilherme Ferreira da Silva, Marcos Vinícius Ferreira, Farid Chemale Júnior, Igor Vasconcelos Santana, Nilson Francisquini Botelho,
Tópico(s): Geochemistry and Geologic Mapping
2025 - | Journal of the Geological Survey of Brazil
Kevin William Richter, Elvio Pinto Bosetti, Daniel Sedorko, Luana Oliveira,
Tópico(s): Paleontology and Evolutionary Biology
2025 - | Journal of the Geological Survey of Brazil
Cassio Silva, Edson Farias Mello, Gilberto Dias Calaes, Patrícia Duringer Jacques, André Luiz Invernizzi,
Tópico(s): Zoonotic diseases and public health
2025 - | Journal of the Geological Survey of Brazil
F. Mangasini, Alex Reuben Kira, Athanas S. Macheyeki, Michael Msabi,
Tópico(s): Mining and Resource Management
2025 - | Journal of the Geological Survey of Brazil
Cassio Silva, Edson Farias Mello, M. Morais, A.L. Souza, Antonia Lúcia dos Santos, Fernando Barbosa,
Tópico(s): Heavy metals in environment
2025 - | Journal of the Geological Survey of Brazil
Gilmar José Rizzotto, Cléber Ladeira Alves,
Tópico(s): Geological formations and processes
2025 - | Journal of the Geological Survey of Brazil
José Adilson Dias Cavalcanti, Maria Dulcinea Madureira Rolim Bessa, Roberto Ventura Santos, César Ulisses Vieira Veríssimo, Clóvis Vaz Parente,
Tópico(s): Geological formations and processes
2018 - | Journal of the Geological Survey of Brazil
Rogério Cavalcante, Vladimir Cruz de Medeiros, Alan Pereira da Costa, Jaziel Martins Sá, Roberto Ventura Santos, Joseneusa Brilhante Rodrigues, Alexandre Ranier Dantas, Marcos Antônio Leite do Nascimento, André Luiz Carneiro da Cunha,
Tópico(s): Fish biology, ecology, and behavior
2018 - | Journal of the Geological Survey of Brazil
Tópico(s): Geochemistry and Geologic Mapping
2018 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
Evandro Luiz Klein, Stella Bijos Guimarães, Joseneusa Brilhante Rodrigues, César Lisboa Chaves, Sulsiene Machado de Souza Gaia, Elem Cristina dos Santos Lopes, João Marcelo Rodrigues de Castro,
Tópico(s): Geochemistry and Elemental Analysis
2018 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
Guilherme Ferreira da Silva, Michelle Cunha Graça,
Tópico(s): Radiation Shielding Materials Analysis
2018 - | Journal of the Geological Survey of Brazil
Joana Queiroz, Evandro Luiz Klein,
Tópico(s): Geological and Geochemical Analysis
2018 - | Journal of the Geological Survey of Brazil
This work interprets and models aerogravity data surveyed in the Carajas Province (also Carajas Domain) - Eastern Amazonian Craton, with the purpose of understanding the deep tectonic framework of this region and sketching the three-dimensional shape of the Carajas Basin. Initially, a comparison was made between the gravity signatures of the Carajas Domain in relation to those of the Rio Maria, Bacaja and Iriri-Xingu domains. This comparison demonstrates that the gravity anomaly configuration of the ...
Tópico(s): Geological formations and processes
2018 - | Journal of the Geological Survey of Brazil
Alexandre Lisboa Lago, Iago Sousa Lima Costa, Fernanda Gonçalves da Cunha, Frederico Ricardo Ferreira Rodrigues de Oliveira e Sousa,
Tópico(s): Geophysical and Geoelectrical Methods
2018 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
Joana Queiroz, Evandro Luiz Klein,
The Castelo de Sonhos gold deposit (~1.5 Moz Au) is located in the southeastern Tapajos Gold Province and is hosted in variably deformed metaconglomerates (±metasandstones) of the Castelo dos Sonhos Formation, which was deposited between 2011 and 2050 Ma and considered to be a relic of a major foreland system. Gold is found mainly in the matrix of metaconglomerates and also in fractures of metasandstones. The host rocks are strongly silicified, which was demonstrated to be the result of silica overgrowth ...
Tópico(s): Geological and Geochemical Analysis
2018 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
Douglas Rosa da Silva, Kátia Leite Mansur, Leonardo Borghi,
Lagoa Salgada is located in the northern coast of Rio de Janeiro and is of great scientific relevance for its modern stromatolites. This study aimed to map the types of microbialites, identify damage and threats and provide geoconservation suggestions. Microbialite mapping and sampling was authorized by the administrative body of the Lagoa do Acu State Park - PELAG, where the lagoon is partially located. Petrographic analysis was conducted on stromatolite types according to external morphology. Geology ...
Tópico(s): Geological Modeling and Analysis
2018 - | Journal of the Geological Survey of Brazil
Loiane Moraes Rocha, Raphael Teixeira Corrêa, Adolfo Silva, Debora Rabelo Matos,
This study analyzes the area along the Azimuth 125° Lineament (Az 125°) supposed to occur from Rondonia to Rio de Janeiro, in Brazil. The lineament is an important structural feature in association with great carbonatite and kimberlite complexes in Brazil (e.g., Goias and Alto Paranaiba Alkaline Provinces), consisting of extensive NW-SE oriented faults. The origin of the Az 125° Lineament and its dikes emplacement are widely discussed. The main intention of this work is to propose a model of emplacement ...
Tópico(s): Geochemistry and Geologic Mapping
2019 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
Izaac Cabral Neto, Vladimir Cruz de Medeiros, Rogério Cavalcante, Priscila Rezende Fernandes, Francisco Valdir Silveira, Elton Luiz Dantas, Joseneusa Brilhante Rodrigues, I. Cunha, Vinicius J.C. Paes, Luana Duarte Santos, Ivana C.A. Pinho,
Peraluminous granitoids were recently mapped in the Rio Piranhas-Serido Domain, the northeastportion of the Borborema Province. These bodies occur as stock and intrusive dikes in the metapelites of the Serido Formation, constituting the Jardim do Serido Suite. This suite has two facies. The first and most expressive facies consists of a medium-grained and whitish leucocratic monzogranite with muscovite, garnet, and biotite, while the second is represented by fine-grained and greyish leucocratic ...
Tópico(s): Paleontology and Stratigraphy of Fossils
2019 - | Journal of the Geological Survey of Brazil
Bruno de Oliveira Calado, Felipe Grandjean da Costa, Iaponira Paiva Gomes, Joseneusa Brilhante Rodrigues,
This study presents LA-ICP-MS U-Pb detrital zircon ages on a migmatitic paragneiss of the Jaguaretama Complex, northern Borborema Province, NE-Brazil. This metasedimentary rock comprises a stromatic migmatite with alternating layers of metapelite, metapsammite, and garnet-tourmaline-bearing leucosome. The paleosome displays a well-developed schistosity, with fine to medium-grained textures, and locally garnet porphyroblasts. Backscattered electron images show that many of the zircon grains display ...
Tópico(s): Geology and Paleoclimatology Research
2019 - | Journal of the Geological Survey of Brazil
Produção Nacional
Revisado por pares
Beatriz Debowski, Marcio Alves, Anderson Costa dos Santos, Armando Dias Tavares, Mauro César Geraldes,
Tópico(s): Geochemistry and Elemental Analysis
2019 - | Journal of the Geological Survey of Brazil
Sérgio P. Neves, Adejardo Francisco da Silva Filho, Olivier Bruguier,
The Sergipano Belt is part of the Southern Subprovince of the Borborema Province (NE Brazil) and separates the Pernambuco-Alagoas Domain from the Sao Francisco Craton. The Macurure Domain is the largest unit of the Sergipano Belt and comprises a basement of Paleoproterozoic age (Jirau do Ponciano Dome) and a supracrustal succession (Macurure Complex). Here we present the results of field, petrographic and structural work and of geochronological dating conducted in an area in the southern part of Alagoas ...
Tópico(s): earthquake and tectonic studies
2019 - | Journal of the Geological Survey of Brazil