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Leda Fraga
Leda Fraga
Geologist - Geological Survey of Brazil - CPRM
Verified email at cprm.gov.br - Homepage
Title
Cited by
Cited by
Year
On the origin and tectonic significance of the intra-plate events of Grenvillian-type age in South America: A discussion
UG Cordani, LM Fraga, N Reis, CCG Tassinari, BB Brito-Neves
Journal of South American Earth Sciences 29 (1), 143-159, 2010
1212010
Geologia do estado de Roraima, Brasil
NJ Reis, LM Fraga, ME ALMEIDA
Géologie de la France, 121-134, 2003
1052003
Paleoproterozoic evolution of the Guiana Shield in Suriname: A revised model
SB Kroonenberg, EWF De Roever, LM Fraga, NJ Reis, T Faraco, ...
Netherlands Journal of Geosciences 95 (4), 491-522, 2016
1022016
Tectonic map of South America= Mapa tectônico da América do Sul
UG Cordani, VA Ramos, LM Fraga, M Cegarra, I Delgado, KG SOUZA, ...
CGMW-CPRM-SEGEMAR, 2016
862016
Orosirian calc-alkaline volcanism ana the Orocaima eventn in the Northern Amazonian Craton, Eastern Roraima State, Brazil
NJ Reis, MSG FARIA, LMB FRAGA, RC Haddad
572000
New geochronological data of calc-alkaline granitoids of Roraima State, Brazil
ME Almeida, LMB Fraga, MJB Macambira
South-American Symposium on Isotope Geology, Campos do Jordão, Resumo, 34-37, 1997
511997
1.94–1.93 Ga charnockitic magmatism from the central part of the Guyana Shield, Roraima, Brazil: single-zircon evaporation data and tectonic implications
LM Fraga, MJB Macambira, R Dall’Agnol, JBS Costa
Journal of South American Earth Sciences 27 (4), 247-257, 2009
492009
A Associação Anortosito-Mangerito-Granito Rapakivi (AMG) do cinturão Guiana central, Roraima e suas encaixantes paleoproterozóicas
LMB FRAGA
392002
Petrogenesis of the igneous Mucajaí AMG complex, northern Amazonian craton—Geochemical, U–Pb geochronological, and Nd–Hf–O isotopic constraints
AP Heinonen, LM Fraga, OT Rämö, R Dall'Agnol, I Mänttäri, T Andersen
Lithos 151, 17-34, 2012
372012
Guyana: The lost hadean crust of South America?
S Nadeau, W Chen, J Reece, D Lachhman, R Ault, MTL Faraco, LM Fraga, ...
Brazilian Journal of Geology 43 (4), 601-606, 2013
362013
The Mesoproterozoic Mucajaí anorthosite–mangerite–rapakivi granite complex, Amazonian craton, Brazil
LMB Fraga, R Dall’Agnol, JBS Costa, MJB Macambira
The Canadian Mineralogist 47 (6), 1469-1492, 2009
352009
First lead-lead zircon ages of charnockitic rocks from Central Guiana Belt (CGB) in the state of Roraima, Brazil
LMB Fraga, ME Almeida, MJB Macambira
South-American Symposium on Isotope Geology, Campos do Jordão, Resumo, 115-117, 1997
291997
Vulcanismo Surumu-Estado de Roraima: Caracterização de seu comportamento químico à luz de novos dados
NJ Reis, LMB Fraga
SBG, Congresso Brasileiro de Geologia 38 (2), 88-90, 1996
261996
Cauarane-coeroeni belt–the main tectonic feature of the central Guyana Shield, Northern Amazonian Craton
LMF FRAGA, NJ Reis, A DALL'AGNOL
242009
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 …
NJ Reis, S Nadeau, LM Fraga, LM Betiollo, MTL Faraco, J Reece, ...
Brazilian Journal of Geology 47, 43-57, 2017
222017
The Precambrian evolution of the Amazonian Craton: one of the last unknown Precambrian Terranes in the World
R Dall’Agnol, JM Lafon, LM Fraga, J Scandolara, CEM Barros
International Geological Congress 31, 2000
202000
Aspectos geoquímicos das rochas granitóides da suíte intrusiva Pedra Pintada, norte do Estado de Roraima
LMB Fraga, RC Haddad, NJ Reis
Brazilian Journal of Geology 27 (1), 03-12, 1997
201997
A influência da orogenia Eo-Orosiriana na formação da SLIP Uatumã, parte central do Cráton Amazônico
LM Fraga, ML Vasquez, ME Almeida, AM Dreher, NJ Reis
Simpósio de Geologia da Amazônia 15, 405-408, 2017
192017
Cauarane–Coeroene belt–the tectonic southern limit of the preserved rhyacian crustal domain in the Guyana shield, northern Amazonian craton
LM Fraga, NJ Reis, R Dall’Agnol, R Armstrong
International Geological Congress 33, 2008
192008
Suíte Intrusiva Pedra Pintada-Um registro do magmatismo pós-colisional no estado de Roraima
LMB Fraga, NJ Reis, RV Araújo, RC Haddad
SBG, Simpósio de Geologia da Amazônia 5, 76-78, 1996
181996
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