Valderez Ferreira
Valderez Ferreira
Professora de petrologia ígnea, Universidade Federal de Pernambuco
Geverifieerd e-mailadres voor ufpe.br
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4.4 billion years of crustal maturation: oxygen isotope ratios of magmatic zircon
JW Valley, JS Lackey, AJ Cavosie, CC Clechenko, MJ Spicuzza, ...
Contributions to Mineralogy and Petrology 150 (6), 561-580, 2005
7492005
Geochemical and isotopic signatures of Proterozoic granitoids in terranes of the Borborema structural province, northeastern Brazil
VP Ferreira, AN Sial, EFJ de Sá
Journal of South American Earth Sciences 11 (5), 439-455, 1998
1161998
Carbon and oxygen isotope profiles across Meso-Neoproterozoic limestones from central Brazil: Bambuı and Paranoá groups
RV Santos, CJS De Alvarenga, MA Dardenne, AN Sial, VP Ferreira
Precambrian Research 104 (3-4), 107-122, 2000
1042000
Chemostratigraphy of carbonates from the Minas Supergroup, Quadrilátero Ferryífero (Iron Quadrangle), Brazil: A stratigraphic record of early proterozoic atmospheric …
A Bekker, AN Sial, JA Karhu, VP Ferreira, CM Noce, AJ Kaufman, ...
American Journal of Science 303 (10), 865-904, 2003
932003
Chemostratigraphy of the Tamengo Formation (Corumbá Group, Brazil): a contribution to the calibration of the Ediacaran carbon-isotope curve
PC Boggiani, C Gaucher, AN Sial, M Babinski, CM Simon, C Riccomini, ...
Precambrian Research 182 (4), 382-401, 2010
842010
Emplacement, petrological and magnetic susceptibility characteristics of diverse magmatic epidote-bearing granitoid rocks in Brazil, Argentina and Chile
AN Sial, AJ Toselli, J Saavedra, MA Parada, VP Ferreira
Lithos 46 (3), 367-392, 1999
811999
Carbon isotope fluctuations in Precambrian carbonate sequences of several localities in Brazil
AN SIAL, VP FERREIRA, AR DEALMEIDA, AW ROMANO, CV PARENTE, ...
Anais da Academia Brasileira de Ciências 72 (4), 539-558, 2000
772000
Carbon isotopic profile across the Bilara group rocks of trans-Aravalli Marwar Supergroup in western India: implications for Neoproterozoic—Cambrian transition
MK Pandit, AN Sial, SS Jamrani, VP Ferreira
Gondwana Research 4 (3), 387-394, 2001
672001
Mercury as a proxy for volcanic activity during extreme environmental turnover: The Cretaceous–Paleogene transition
AN Sial, LD Lacerda, VP Ferreira, R Frei, RA Marquillas, JA Barbosa, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 387, 153-164, 2013
582013
Upper Cambrian carbonate sequences of the Argentine Precordillera and the Steptoean C-Isotope positive excursion (SPICE)
AN Sial, S Peralta, VP Ferreira, AJ Toselli, FG Aceñolaza, MA Parada, ...
Gondwana Research 13 (4), 437-452, 2008
552008
Chemostratigraphy
C Gaucher, AN Sial, D Poiré, LG Peral, VP Ferreira, MM Pimentel
Developments in Precambrian Geology 16, 115-122, 2009
512009
Mercury enrichment and Hg isotopes in Cretaceous–Paleogene boundary successions: Links to volcanism and palaeoenvironmental impacts
AN Sial, J Chen, LD Lacerda, R Frei, VC Tewari, MK Pandit, C Gaucher, ...
Cretaceous Research 66, 60-81, 2016
502016
Global nature of the Paleoproterozoic Lomagundi carbon isotope excursion: A review of occurrences in Brazil, India, and Uruguay
A Maheshwari, AN Sial, C Gaucher, J Bossi, A Bekker, VP Ferreira, ...
Precambrian Research 182 (4), 274-299, 2010
502010
Isotope stratigraphy of Neoproterozoic cap carbonates in the Araras Group, Brazil
CJS de Alvarenga, MA Dardenne, RV Santos, ER Brod, SMCL Gioia, ...
Gondwana Research 13 (4), 469-479, 2008
482008
Chemostratigraphy of the Cerro Victoria Formation (Lower Cambrian, Uruguay): evidence for progressive climate stabilization across the Precambrian–Cambrian boundary
C Gaucher, AN Sial, VP Ferreira, MM Pimentel, L Chiglino, P Sprechmann
Chemical Geology 237 (1-2), 28-46, 2007
462007
Chromium‐isotope signatures in scleractinian corals from the R ocas A toll, T ropical S outh A tlantic
NS Pereira, AR Vögelin, C Paulukat, AN Sial, VP Ferreira, R Frei
Geobiology 14 (1), 54-67, 2016
452016
Common crustal source for contrasting peraluminous facies in the Early Paleozoic Capillitas Batholith, NW Argentina
JN Rossi, AJ Toselli, J Saavedra, AN Sial, E Pellitero, VP Ferreira
Gondwana Research 5 (2), 325-337, 2002
452002
Depleted and enriched mantle sources for Paleo-and Neoproterozoic carbonatites of southern India: Sr, Nd, C–O isotopic and geochemical constraints
MK Pandit, AN Sial, GB Sukumaran, MM Pimentel, AK Ramasamy, ...
Chemical geology 189 (1-2), 69-89, 2002
442002
Tufas calcárias da Serra da Bodoquena
PC Boggiani, AM Coimbra, AL Gesicki, AN Sial, VP Ferreira, FB Ribeiro, ...
Sítios Geológicos e Paleontológicos do Brasil. Publicado na Internet no …, 1999
441999
Amphibole-rich clots in calc-alkalic granitoids in the Borborema province, northeastern Brazil
AN Sial, VP Ferreira, AE Fallick, MJM Cruz
Journal of South American Earth Sciences 11 (5), 457-471, 1998
441998
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Artikelen 1–20