Large igneous provinces of the Amazonian Craton and their metallogenic potential in Proterozoic times

Autor: Richard E. Ernst, Luis Emanoel Alexandre Goulart, Nelson Joaquim Reis, Jorge Silva Bettencourt, Manoel S. D’Agrella-Filho, Wilson Teixeira

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ce4c3dc2503026a7567af1473f5dbe8
https://doi.org/10.1144/sp518-2021-7

Stratigraphy of the Roraima Supergroup along the Brazil-Guyana border in the Guiana shield, Northern Amazonian Craton - results of the Brazil-Guyana Geology and Geodiversity Mapping Project

Autor: Nelson Joaquim Reis, Deokumar Lachhman, Serge Nadeau, Maria Telma Lins Faraco, Randy Ault, Leandro Menezes Betiollo, Jimmy Reece, Lêda Maria Barreto Fraga

Publikováno v: Brazilian Journal of Geology v.47 n.1 2017
Brazilian Journal of Geology
Sociedade Brasileira de Geologia (SBGEO)
instacron:SBGEO
Brazilian Journal of Geology, Vol 47, Iss 1, Pp 43-57

The Geological and Geodiversity Mapping binational program along the Brazil-Guyana border zone allowed reviewing and integrating the stratigraphy and nomenclature of the Roraima Supergroup along the Pakaraima Sedimentary Block present in northeastern

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f43df492edeb855a7363dfb4d9ffbba
https://doi.org/10.1590/2317-4889201720160139

On the origin and tectonic significance of the intra-plate events of Grenvillian-type age in South America: A discussion

Autor: Nelson Joaquim Reis, Umberto G. Cordani, Colombo Celso Gaeta Tassinari, Lêda Maria Barreto Fraga, Benjamim B. Brito-Neves

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The objective of this article is to examine the available evidence of intra-plate tectonic episodes of “Grenvillian-type age”, affecting the South-American continent, assessing their possible causal correlation with the tectonic processes occurri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e247720d8dc78391034b66575ee1212
https://doi.org/10.1016/j.jsames.2009.07.002

Geophysical-Geological Integration Map the of Boa Vista Grid (NA.20-X-D), Central Portion of Roraima state, Brazil

Autor: Nelson Joaquim Reis, Antonio Charles da Silva Oliveira, Vanessa Oliveira, Paulo Roberto Santos Lopes, Miquéas Barroso da Silva

Publikováno v: 14th International Congress of the Brazilian Geophysical Society & EXPOGEF, Rio de Janeiro, Brazil, 3-6 August 2015.

The map Boa Vista chart (NA.20-XD) is part of Geophysical-Geological Integration Project of Northern Amazon (PIGG-NAM) which includes ten maps charted at a scale of 1:250,000, covering the south-central portion of Roraima and northeast of the Amazon,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b7d7f3e8d52edc190c17ee768d3c1d4
https://doi.org/10.1190/sbgf2015-055

Age, source, and regional stratigraphy of the Roraima Supergroup and Roraima-like outliers in northern South America based on U-Pb geochronology

Autor: Paul Edwin Potter, Neal J. McNaughton, Léo Afraneo Hartmann, Nelson Joaquim Reis, João Orestes Schneider Santos, Ian R. Fletcher

Publikováno v: Geological Society of America Bulletin. 115:331-348

New 207 such as the Serra Surucucus, Araca ´, and Neblina units, do not belong to the supergroup. Rocks of the Roraima Supergroup and post-Roraima sandstones were deposited in two separate but overlapping basins, each ;1,200,000 km2 in area. The Ror

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0673c7f91331316c7b9dd59fb1b0b1ff
https://doi.org/10.1130/0016-7606(2003)115<0331:asarso>2.0.co