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Valdecir de Assis Janasi
Valdecir de Assis Janasi
Professor de Geologia, Universidade de São Paulo
Verified email at usp.br
Title
Cited by
Cited by
Year
Província mantiqueira
M Heilbron, AC Pedrosa-Soares, MC Campos Neto, LC Silva, RAJ Trouw, ...
Geologia do continente sul-americano: evolução da obra de Fernando Flávio …, 2004
6752004
The onset of flood basalt volcanism, Northern Paraná Basin, Brazil: A precise U–Pb baddeleyite/zircon age for a Chapecó-type dacite
V de Assis Janasi, VA de Freitas, LH Heaman
Earth and Planetary Science Letters 302 (1-2), 147-153, 2011
2772011
Tectonic significance of the Florianópolis dyke Swarm, Paraná–Etendeka Magmatic Province: a reappraisal based on precise U–Pb dating
LM Florisbal, LM Heaman, V de Assis Janasi, M de Fatima Bitencourt
Journal of Volcanology and Geothermal Research 289, 140-150, 2014
1102014
U–Pb chronostratigraphy of the granitic magmatism in the Agudos Grandes Batholith (west of Sao Paulo, Brazil)—implications for the evolution of the Ribeira Belt
VA Janasi, RJ Leite, WR Van Schmus
Journal of South American Earth Sciences 14 (4), 363-376, 2001
1022001
Late Proterozoic granitoid magmatism in the state of São Paulo, southeastern Brazil
V de Assis Janasi, HHGJ Ulbrich
Precambrian Research 51 (1-4), 351-374, 1991
1021991
Orogen migration and tectonic setting of the Andrelândia Nappe system: An Ediacaran western Gondwana collage, south of São Francisco craton
MCC Neto, MAS Basei, V de Assis Janasi, R Moraes
Journal of South American Earth Sciences 32 (4), 393-406, 2011
1002011
Petrogênese de granitos crustais na Nappe de Empurrão Socorro-Guaxupé (SP-MG): uma contribuição da geoquímica elemental e isotópica
VA Janasi
Universidade de São Paulo, 1999
891999
Associated A-type subalkaline and high-K calc-alkaline granites in the Itu granite province, southeastern Brazil: petrological and tectonic significance
VA Janasi, SRF Vlach, MC Campos Neto, H Ulbrich
The Canadian Mineralogist 47 (6), 1505-1526, 2009
842009
Crustal reworking in a shear zone: transformation of metagranite to migmatite
BB Carvalho, EW Sawyer, VA Janasi
Journal of Metamorphic Geology 34 (3), 237-264, 2016
802016
Sistema de nappes Andrelândia, setor oriental: litoestratigrafia e posição estratigráfica
MC Campos Neto, VA Janasi, MAS Basei, O Siga Júnior
Revista Brasileira de Geociências 37 (4), 47-60, 2007
772007
The inventory of geological heritage of the State of São Paulo, Brazil: methodological basis, results and perspectives
MGM Garcia, J Brilha, FF de Lima, JC Vargas, A Pérez-Aguilar, A Alves, ...
Geoheritage 10, 239-258, 2018
762018
Space–time relation of post-collisional granitic magmatism in Santa Catarina, southern Brazil: U–Pb LA-MC-ICP-MS zircon geochronology of coeval mafic–felsic magmatism related …
LM Florisbal, V de Assis Janasi, M de Fátima Bitencourt, LM Heaman
Precambrian Research 216, 132-151, 2012
762012
U–Pb geochronology of the granite magmatism in the Embu Terrane: Implications for the evolution of the Central Ribeira Belt, SE Brazil
A Alves, V de Assis Janasi, MCC Neto, L Heaman, A Simonetti
Precambrian Research 230, 1-12, 2013
732013
Reaction microtextures of monazite: correlation between chemical and age domains in the Nazaré Paulista migmatite, SE Brazil
L Martins, SRF Vlach, V de Assis Janasi
Chemical Geology 261 (3-4), 271-285, 2009
732009
Granitos peraluminosos da porção central da Faixa Ribeira, Estado de São Paulo: Sucessivos eventos de reciclagem da crosta continental no Neoproterozóico
VA Janasi, SRF Vlach, A Alves, RJ Leite
Geologia USP. Série Científica 2, 13-24, 2003
702003
Adaptation of ICP–OES routine determination techniques for the analysis of rare earth elements by chromatographic separation in geologic materials: tests with reference …
MS Navarro, H Ulbrich, S Andrade, VA Janasi
Journal of alloys and compounds 344 (1-2), 40-45, 2002
692002
Elemental and Sr–Nd isotope geochemistry of two Neoproterozoic mangerite suites in SE Brazil: implications for the origin of the mangerite–charnockite–granite series
V de Assis Janasi
Precambrian Research 119 (1-4), 301-327, 2002
672002
Contemporaneous alkaline and tholeiitic magmatism in the Ponta Grossa Arch, Paraná-Etendeka Magmatic Province: Constraints from U–Pb zircon/baddeleyite and 40Ar/39Ar phlogopite …
VV Almeida, VA Janasi, LM Heaman, BJ Shaulis, MHBM Hollanda, ...
Journal of Volcanology and Geothermal Research 355, 55-65, 2018
632018
Rapid eruption of silicic magmas from the Paraná magmatic province (Brazil) did not trigger the Valanginian event
BC Rocha, JHFL Davies, VA Janasi, U Schaltegger, AJR Nardy, ...
Geology 48 (12), 1174-1178, 2020
602020
Brasiliano orogens in southeast and south Brazil
M Heilbron, AC Pedrosa-Soares, MC Campos Neto, LC Silva, RAJ Trouw, ...
Journal of the Virtual Explorer 17, 2004
582004
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