1991-2000

Artigos Científicos

Sial, A.N., Fodor, R.V. e Long, L.E., 1991. Peridotite xenoliths and Tertiary alkaline basalts in Northeastern Brazil: 5. Int. Kimberlite Conference, Field Guide book, CPRM (special publication 3/91, edited by: O.H. Leonardos, H. O. Meyer and J.C. Gaspar, pp. 3-13, Araxá.

Ferreira, V.P., Sial, A.N. e Whitney, J.A., 1992. Imiscibilidade de líquidos como o principal processo magmatico na formação de sienitos peralcalinos ultrapotassicos e piroxeníticos associados no Precambriano do Nordeste do Brasil. Anais Academia Brasileira de Ciências , vol. 64, n. 4, pp. 367-382.

Ferreira, V.P. & Sial, A.N., 1993. Mica-pyroxenite as a probable source for ultrapotassic and potassic magmas in Northeastern Brazil. Sial, A.N. e Ferreira, V.P. (eds), Anais Academia Brasileira de Ciências, v. 65, Supl., pp. 51-62.

Sial, A.N., 1993. Contrasting metaluminous magmatic epidote-bearing granitic suites from two Precambrian Foldbelts in Northeast Brazil. Sial, A.N. e V.P. Ferreira (eds), Academia Brasileira de Ciências, Rio de Janeiro. Anais Academia Brasileira Ciências, vol. 65, supl. 1, pp.141-162.

Mariano, G. & Sial, A.N., 1993. High K-calc-alkalic vs. shoshonitic granitic magmatism in northeast Brazil. Academia Bras. de Ciências, Rio de Janeiro. Sial, A.N. e Ferreira, V.P. (eds), Anais Academia Brasileira Ciências, vol. 65, supl. 1, pp.119-130.

Ferreira, V.P. & Sial, A.N., 1993. Pyroxene and amphibole chemistry of peralkalic ultrapotassic sye-nites and associated pyroxenite, NE Brazil: an approach to test liquid immiscibility process. Revista Brasileira de Geociências, v. 23 (2), pp. 139-146.

Ferreira, V.P., Sial, A.N. e Whitney, J.A., 1994. Large-scale silicate liquid immiscibility: a possible example from northeastern Brazil. Lithos, Elsevier, vol. 33 (4), pp. 285-302. https://doi.org/10.1016/0024-4937(94)90034-5

Fodor, R.V., Dobosi, G. e Sial, A.N., 1995. Zoned clinopyroxenes in alkalic basalt: clues to fractio-nation histories for seemingly primitive magmas. Chemie der Erde, vol. 55, pp. 133-148.

Ferreira, V.P., Sial, A.N., Cruz, M.J.M., 1995. Mineral chemistry of mica-pyroxenite xenoliths in Neoproterozoic ultrapotassic syenitic magmas, NE Brazil. In: U.G. Cordani & D.P. Svisero (eds.), Anais da Academia Brasileira Ciências, vol. 67, supl. 2, pp. 307-320.

Maheshwari, A., Coltorti, M. , Sial, A.N. e Mariano, G., 1995. Crustal influences in the petrogenesis of the Malani rhyolites, southwestern Rajasthan, India: combined trace element and oxygen isotope constraints. Journal of the Geological Society of India, vol. 47, pp. 611-619.

Maheshwari, A., Coltorti, M. e Sial, A.N., 1995. Petrogenesis and tectonic setting of Malani rhyolites: Evidence by trace elements and oxygen isotope composition. Current Science (Indian Academy of Science), vol. 68, n. 9 (May, 1995), pp. 954-956.

Sial, A.N., Long , L.E., Ferreira, V.P., 1996. O, H, S and Sr isotopes in two Brasiliano-age granitic intrusions, state of Ceara, NE Brazil. Acta Geologica Hungarica, vol. 39, Budapest, Hungria, pp.170-173.

Ferreira,V.P., Sial, A.N. e Menor, E.A., 1996. Carbon and oxygen isotopes in offshore and continental Mesozoic and Tertiary limestones, NE Brazil: The K-T Boundary and Tertiary climatic variations. Acta Geologica Hungarica, vol. 69, Budapest, Hungria, pp. 43-46.

Santos, R.V., Alvarenga, C.J.S., Dardenne, M.A., Sial, A.N., Ferreira, V.P., 1996. Carbon and oxy-gen isotopes in Neoproterozoic limestones: the Bambui Group-Central Brazil. Acta Geologica Hungarica, vol. 69, pp. 166-169.

Mariano, G., Sial, A.N., Cruz, M.J.M., Conceição, H., 1996. The potassic calc-alkalic Itaporanga Batholith, Northeastern Brazil: Mineral Chemsitry and Oxygen-isotope data. International Geology Review 38, 74-86. https://doi.org/10.1080/00206819709465325

Toselli, A.J., Sial, A.N., Saavedra, J., Toselli, J.N., Ferreira, V.P., 1997. Geochemistry and genesis of the S-type, cordierite-andalusite-bearing, Capillitas composed batholith, Pampean Range, NW Argentina. International Geology Review, vol. 38, pp.1040-1053. https://doi.org/10.1080/00206819709465380

Ferreira, V.P., Sial, A.N., Long, L.L., Pin, Christian, 1997. Isotopic signatures of NeoProterozoic to Cambrian ultrapotassic syenitic magmas, northeastern Brazil: implications for enriched mantle source. International Geology Review, vol. 39, N. 7, pp. 660-669. https://doi.org/10.1080/00206819709465294

Magini, C., Hachkspacher, P.C., Legrand, J.M, Brito Neves, B.B., Petta, R.A., Sial, A.N. e Dantas, E.L., 1997. Evolução Tectono Metamórfica Proterozoica do batólito São Vicente, Caicó, RN. Geociências, Rio Claro, São Paulo, 16(1), pp. 257-277. https://repositorio.usp.br/item/000944994

Pandit, M.K., Sial, A.N., Sukumaram, G.B., Ramasamy, A.K. and Ferreira, V.P. 1998. Implications of carbon and oxygen isotopic variation in Tamilnadu carbonatites, South India. Current Science, India, vol. 74, n. 7, pp. 620-624.

Chaves, N.S. and Sial, A.N., 1998. Mixed oceanic and freshwater depositional conditions for beachrocks of NE Brazil: evidence from C and O isotopes. International Geology Review, vol. 40, n. 8 (August), pp. 748-754. https://doi.org/10.1080/00206819809465235

Fodor, R.V., Mukasa, S.B. and Sial, A.N., 1998. Isotopic and trace-element clues to varying proportions of lithospheric and asthenospheric components in Tertiary alkalic basalts, northeastern Brazil. Lithos, Elsevier, vol. 43, pp. 197-217. https://doi.org/10.1016/S0024-4937(98)00012-7

Sial, A. N., Ferreira, V.P., Fallick, E.A. e Cruz, M.J., 1998. Amphibole-rich clots in calc-alkalic granitoids in the Borborema Province, Northeastern Brazil. Journal of South American Earth Sciences, Elsevier, v. 11(5), pp. 457-472. https://doi.org/10.1016/S0895-9811(98)00034-0

Ferreira, V.P., Sial, A. N., Jardim de Sá, E.F., 1998. Geochemical and Isotopic Signatures of Proterozoic Granitoids in Terranes of the Borborema Structural Province, Northeastern Brazil. Journal South American Earth Sciences, Elsevier, vol. 11(5), pp. 439-456. https://doi.org/10.1016/S0895-9811(98)00027-3

Javier Rios, F., Vilas, R.N.N., Fusikawa, K., Sial, A .N. e Mariano, G., 1998. Isótopos de oxigênio e a temperatura de formação de veios mineralizados com wolframita da Jazida de Pedra Preta, Sul do Pará. Revista Brasileira de Geociências, vol. 28, n. 3: 253-256. http://doi.org/10.25249/0375-7536.1998253256

Ferreira, V. P., Mayal, E.M., Sial, A. N. e Exner, M.A., 1998, Isotopic variations (d¹³C and d¹⁸O) in Siderastrea stellata (Cnidaria-Anthozoa), Itamaracá Island, State of Pernambuco, northeastern Brazil. Anais da Academia Brasileira de Ciências , vol 70 (4), pp. 849-855.

Sial, A.N., Ferreira, V.P., Fuck, R.A., 1998. Granites and Associated Mineralizations. Preface to the special issue devoted to the International Symposium on Granites and Associated Mineralizatuions (ISGAM) published by the Journal of South American Earth Sciences, vol. 11, No. 5, pp. 425-426.

Pandit, M.K., Shekhawat, M., Ferreira, V.P., Sial, A. N. and Bohra, M., 1999. Trondhjemite and granodiorite assemblage from west of Barmer: probable basement for Malani magmatism in western India. Geological Society of India, vol. 53, pp. 89-96.

Brasilino, R.G., Sial, A. N. e Lafon, J.M., 1999. Magmatic epidote, hornblende barometric estimates and emplacement of the Conceição das Creoulas pluton, Alto Pajeú Terrane, NE Brazil. Anais da Acad. Bras. Ci. , vol. 71 (1): 3-16.

Maheshwari, A. and Sial, A. N., 1999. Anorogenic peralkalic granites and associated volcanic rocks from northwestern part of the Indian Penninsular Shield. Anais da Acad. Bras. Ciências, vol;. 71 (1): 29-38.

Stephens, W.E., Sial, A.N., Ferreira, V.P., 1999. Preface to the Lithos Special Issue on Granites and Asasociated Mineralisations. Lithos, Elsevier, vol. 46 (3), 331-333.

Sial, A. N., Toselli, A. J., Saavedra, J., Parada, M.A., Ferreira, V.P., 1999. Emplacement, petrological and magnetic susceptibility characteristics of diverse magmatic epidote-bearing granitoid rocks in Brazil, Argentina and Chile. Lithos, Elsevier, vol. 46 (3): 367-392. https://doi.org/10.1016/S0024-4937(98)00074-7

Menor, E.A., Sial, A.N., Ferreira, V.P., Boujo, A.,.1999. Carbon and oxygen isotopic behavior in carbonate rocks of the phosphorite-bearing Gramame Formation, Pernambuco-Paraíba Coastal Basin, NE Brazil. International Geology Review, Estados Unidos, vol. 41, n. 7, July 1999, pp. 593-606. https://doi.org/10.1080/00206819909465160

Sial, A.N., Dall’ Agnol, R., Ferreira, V.P., Nardi, L.V.S., Pimentel, M.M. e Wiedemann, C., 1999. Precambrian Granitic Magmatism in Brazil. Episodes, International Union of Geological Sciences, vol. 22, n. 3, pp. 191-198. https://doi.org/10.18814/epiiugs/1999/v22i3/006

Maheshwari, A., Sial, A.N., Chittora, V.K., 1999. High ¹³C Paleoproterozoic carbonates from the Aravalli Supergroup, Western India. International Geology Review, Estados Unidos, v. 41, n. 10, October, pp. 949-954. https://doi.org/10.1080/00206819909465181

Santos, R.V., Alvarenga, J.C., Dardenne, M.A., Sial, A.N., Ferreira, V.P., 2000. Carbon and Oxygen Isotope profiles along Neoproterozoic limestones from Central Brazil: Bambui and Paranoá Groups. Precambrian Research, Elsevier , vol. 104, pp. 107-122. https://doi.org/10.1016/S0301-9268(00)00082-6

Nascimento, R.S.C. and Sial, A.N., 2000. Carbon isotope fluctuations in Precambrian marbles of the Seridó belt, Borborema province, Northeast Brazil. Revista Brasileira de Geociências, v. 30(3), pp. 442–445. http://doi.org/10.2549/0375-7536.2000303446449

Sial, A.N., Ferreira, V.P., Almeida, A.R., Romano, A.W., Parente, C.V., Costa, M.L. and Santos., V.H., 2000. Carbon isotope fluctuations in Precambrian carbonate sequences of several localities in Brazil. Anais da Academia Bras. de Ciências, vol. 72 (4), pp. 539-558. https://doi.org/10.1590/S0001-37652000000400006

Sial, A.N., Ferreira. V.P., Toselli, A.J., Aceñolaza, Alonso, R. and Parada, M. A., 2000. Carbon isotope chemostratigraphy of carbonate sequences and the Precambrian-Cambrian transition in NW Argentina. In: Aceñolaza, G.F.and Peralta, S. (eds.), Cambrian from the southern edge. INSUGEO, Miscelanea 6, Ediciones MAGNA publicaciones: 131-134.

Pandit, M.K., Sial, A.N., Saxena, A.D., Ferreira, V.P., 2000. Non-magmatic features in carbonatitic rocks: a relook into Proterozoic ‘carbonatites’ in NW Indian craton. International Geology Review, USA , v. 42 (11), pp. 1043-1056. https://doi.org/10.1080/00206810009465127

Maheshwari, A., Sial, A.N., Chittora, V.K., Sharma, A., 2000. Stable isotopic compositions of car-bonates from the Mesoproterozoic Delhi Supergroup, Northwestern India. International Geology Review, USA, vol. 42 (11), pp. 1030-1036. https://doi.org/10.1080/00206810009465125

Soares, D.R. ; Ferreira, A.C.M. ; Silva, R.R. ; Ferreira, V. P. 2000. Alkali-deficient elbaites from pegmatites of the Seridó region, Borborema province, NE Brazil. Revista Brasileira de Geociências, Brasilia, v. 30, n.2, p. 293-296. http://doi.org/10.25249/0375-7536.2000302293296

Livros/Capítulos de Livros

Caby, R., Sial, A.N., Vauchez, A., Arthaud, M., 1991. Crustal evolution of the Borborema province, Northeast Brazil. In: Dallmeyer, R.D. e Lecorché, J.P. (editores), The West African Orogens and Circum-Atlantic Correlatives. Springer-Verlag, pp. 373-397. https://link.springer.com/chapter/10.1007/978-3-642-84153-8_16

Sial, A.N. & Ferreira, V.P. (editores), 1993. Workshop on Granitic Magmatism and Associated Mine-ralizations (MAGMA). Anais da Academia Brasileira Ciencias, volume 65, Suplemento 1, 1993, 195p.

Ferreira, V.P. e Sial, A.N. (editores), 1997. Granitic Magmatism and Associated Mineralizations (ISGAM), Extended Abstracts and Program, Superintendencia de Recursos Minerais-SGM, Salvador, Bahia, Brazil, August 24-29, 336p.

Sial, A.N., Stephens, W. E., Ferreira, V.P. (guest editors), 1999. Granitic magmatism and associated Mineralizations. LITHOS special issue devoted to 0er, vol. 46(3).

Sial, A.N., Ferreira, V.P., Fuck, R.A. (guest editors), 1998. Granites and Associated Mineralizations. Journal of South American Earth Sciences, Elsevier, special issue devoted to the International Symp. on Granites and Associated Mineralizations (ISGAM), vol. 11(5), pp. 424-515.

Sial, A.N., Ferreira, V.P., Sabaté, P. (guest editors), 1999. Granitic Magmatism and Associated Mineralizations. Anais da Academia Brasileira de Ciências, volume especial dedicado ao International Symposium on Granites and Associated Mineralizations (ISGAM), vol. 71(1), 158p.

Ferreira, V.P., Sial, A.N. and Sá, J. H. (guest editors), 1999. Granitic Magmatism and Associated Mineralizations. Revista Brasileira de Geociências, volume especial dedicado ao International Symposium on Granites and Associated Mineralizations (ISGAM), vol. 29 (1), 151p.