ALCIDES NOBREGA SIAL
Ph.D. University of California, Davis, 1974
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Selected Papers
* 2008
Geochronological and Mineralogical Constraints on Depth of Emplacement and Ascencion Rates of Epidote-bearing Magmas from Northeastern Brazil
Alcides N. Sial, Paulo M. Vasconcelos, Valderez P. Ferreira, Ricardo R. Pessoa, Roberta G. Brasilino and João M. Morais Neto
Upper Cambrian carbonate sequences of the Argentine Precordillera and the Steptoean C-Isotope positive excursion (SPICE)
A.N. Sial, S. Peralta, V.P. Ferreira, A.J. Toselli , F.G. Aceñolaza, M.A. Parada, C. Gaucher, R.N. Alonso, M.M. Pimentel
Isotope stratigraphy of Neoproterozoic cap carbonates in the Araras Group, Brazil
Carlos J.S. de Alvarenga, Marcel A. Dardenne, Roberto V. Santos, Emanuele R. Brod,Simone M.C.L. Gioia, Alcides N. Sial, Elton L. Dantas, Valderez P. Ferreira
Carbon and oxygen isotope geochemistry of Neoproterozoic limestones of the Shahabad Formation, Bhima basin, Karnataka, southern India
Ramasamy Nagarajan, Alcides N. Sial, John S. Armstrong-Altrin, Jayagopal Madhavaraju, Raghavendra Nagendra
* 2007
δ13C stratigraphy of the Birmania Basin, Rajasthan, India: implications for the Vendian - Cambrian transition
A. Maheshwaril, A. N. Sial, S. C. Mathur
Carbon and oxygen isotope geochemistry of Ediacaran outer platform carbonates, Paraguay Belt, central Brazil
Claudio Riccomini, Afonso C.R. Nogueira, Alcides N. Sial
Carbon and oxygen isotopes of Maastrichtian–Danian shallow marine carbonates: Yacoraite Formation, northwestern Argentina
Rosa Marquillas; Ignacio Sabino; Alcides Nobrega Sial; Cecilia del Papa; Valderez Ferreira; Stephen Matthews
Neoproterozoic–Early Cambrian isotopic variation and Chemostratigraphy of the Lesser Himalaya, India, Eastern Gondwana
V. C. Tewari; A. N. Sial
Geochemistry and genesis of the banded iron formations of the Cauê Formation, Quadrilátero Ferrífero, Minas Gerais, Brazil
C. A. Spier; S. M. B. Oliveira; A. N. Sial; F. J. Rios
C- and Sr-isotope systematics applied to Neoproterozoic marbles of the Seridó belt, northeastern Brazil
R. S. C. Nascimento; A. N. Sial; M. M. Pimentel
Carbon and strontium isotope fluctuations and paleoceanographic changes in the late Neoproterozoic Araras carbonate platform, southern Amazon craton, Brazil
A. C. R. Nogueira; C. Riccomini; A. N. Sial; C. A. V. Moura; R. I. F. Trindade; T. R. Fairchild
Preface to Special Issue of Chemical Geology on Precambrian Chemostratigraphy in honor of the late William T. Holser
A.J. Kaufman; A. N. Sial; V. P. Ferreira
Chemostratigraphy of the Cerro Victoria Formation (Lower Cambrian, Uruguay): Evidence for progressive climate stabilization across the Precambrian–Cambrian boundary
C. Gaucher; A. N. Sial; V. P. Ferreira; M. M. Pimentel; L. Chiglino; P. Sprechmann
Oceanographic parameters in continental margin of the state of Ceará (Northeastern Brazil) deduced from C and O isotopes in foraminifers
W. S. Marques; E. A. Menor; A. N. Sial V. A.V. Manso; S. S. Freire
* 2006
The Mantos Blancos copper deposit: an upper Jurassic breccia-style hydrothermal system in the Coastal Range of Northern Chile
L. E. Ramírez; C. Palacios; B. Townley; M. A. Parada; A. N. Sial; J. L. Fernandez-Turiel; D. Gimeno; M. Garcia-Valles; B. Lehmann
* 2005
4.4 billion years of crustal maturation: oxygen isotope ratios of magmatic zircon
J. W. Valley; J. S. Lackey; A. J. Cavosie; C. C. Clechenko; M. J. Spicuzza; M. A. S. Basei; I. N. Bindeman; V. P. Ferreira; A. N. Sial; E. M. King; W. H. Peck; A. K. Sinha; C. S. Wei
Age, Origin and Cooling History of the Coronel João Sá Pluton, Bahia, Brazil
L. E. Long; C. H. Castellana; A.N. Sial
C- and Sr-isotope stratigraphy of the São Caetano complex, Northeastern Brazil: a contribution to the study of the Meso-Neoproterozoic seawater geochemistry
J. C. Silva; A. N.Sial; V. P. Ferreira; M. M. Pimentel
Carbonate cements in contemporaneous beachrocks, Jaguaribe beach, Itamaracá island, northeastern Brazil: petrographic, geochemical and isotopic aspects
N. C. Guerra; C. H. Kiang; A.N. Sial
Ocurrence and Origin of Andalusite in Peraluminous Felsic Igneous Rocks
D. B. Clarke; M. Dorais; B. Barbarin; D. Barker; B. Cesare; G. Clarke; M. El Baghdadi; S. Erdmann; Hans-Jürgen Förster; M. Gaeta; B. R. Gottesmann; R. A. Jamieson; D. J. Kontak; F. Koller; C. L. Gomes; D. London; G. B. Morgan Vi; Luis J. P. F. Neves; David R. M. Pattison; Alcides J. S. C. Pereira; M. Pichavant; C. W. Rapela; A. D. Renno; S. Richards; M. Roberts; A. Rottura; J. Saavedra; A.N. Sial; A. J. Toselli; J. M. Ugidos; P. Uher; C. Villaseca; D. Visonà; D. L. Whitney; B. Williamson; H. H. Woodard
Preface to the special issue of Lithos on isotopes in igneous petrogenesis
V.P. Ferreira; Alcides N. Sial; Ian McReath
Stable isotope study of cave percolation waters in subtropical Brazil: Implications for paleoclimate inferences from speleothems
F. W. Cruz Jr; I. Karmann; O. Viana Jr.; S. J. Burns; J. A. Ferrari; M. Vuille. A.N. Sial; M. Z. Moreira
C-isotope Composition of Carbonates from Indravati Basin, India: Implications for Regional Stratigraphic Correlation
Anil Maheshwari; A.N. Sial; Rajeeva Guhey; V.P. Ferreira
* 2004
Chemostratigraphy of Medium-grade Marbles of the Late Neoproterozoic-Seridó Group, Seridó Fold Belt, Northeastern Brazil.
R. S. C. Nascimento; A. N. Sial; M. M. Pimentel
Chemostratigraphy of the Lower Arroyo del Soldado Group (Vendian, Uruguay) and Palaeoclimatic Implications
C. Gaucher; A. N. Sial; G. Blanco; P. Sprechmann
Close spatial relationship between plutons and shear zones
R.F. Weinberg; A.N. Sial; G. Mariano
Carbon isotopes of Mesoproterozoic sequences from Southern São Francisco Craton and Araçuaí Belt, Brazil: Paleogeographic implications.
R. V. Santos; C.J.S. de Alvarenga; M. Babinski; M. L. S. Ramos; N. Cukrov; M. A. Fonseca; A.N. Sial M. A. Dardenne; C. M. Noce.
The Paleocene travertine system of the Itaboraí basin, Southeastern Brazil.
L.G. Sant'Anna; C. Riccomini; B.H. Rodrigues-Francisco; A.N. Sial; M.D. Carvalho; V.A.V. Moura.
Reply to: Comment on ‘‘Depleted and enriched mantle sources for Paleo- and Neoproterozoic carbonatites of southern India: Sr, Nd, C-O isotopic, and geochemical constraints’’
M.K. Pandit; A.N. Sial; G.B. Sukumaran; M.M. Pimentel; A.K. Ramasamy; V.P. Ferreira
Geology and Geochemistry Of Paleoproterozoic Magnesite Depositis (-1.8Ga), State of Ceará, Northeastern Brazil
C. Vaz Parente; L. H. Ronchi; A. N. Sial; J. J. Guillou; M. H. Arthaud; K. Fuzikawa; C. U. V. VerÍssimo
Report on the Fourth South American Symposium on Isotope Geology (IV SSAGI)
A. N. Sial; P. Sabaté; V. P. Ferreira
Intermediate to acidic magmatism and crustal evolution in the transversal Zone, Northeastern Brazil
V. P. Ferreira; A. N. Sial; M. M. Pimentel; C. A.V. Moura