Vol. 9 No. 2 (2009)

Articles

• Chemical Composition of the Tourmaline from Stratiform Tourmalinites of the Passagem de Mariana Gold Mine, Southeastern Quadrilátero Ferrífero (Minas Gerais, Brazil)

  Gianna Maria Garda, Johann Hans Daniel Schorscher, Paulo Beljavskis, Marcos de Souza Mansueto, Margareth Sugano Navarro, Andrezza Alves Mota

  3-22

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  DOI: https://doi.org/10.5327/Z1519-874x2009000200001

• Geology and Geochronology of Ponte Nova Mafic-Ultramafic Massif (SP-MG)

  Rogério Guitarrari Azzone, Excelso Ruberti, Gaston Eduardo Enrich Rojas, Celso de Barros Gomes

  23-46

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  DOI: https://doi.org/10.5327/Z1519-874x2009000200002

• Water-Rock Interaction and the Hydrogeochemistry of Chromium in Groundwater from Multilevels Monitoring Wells in Urania, SP, Brazil

  Reginaldo Antonio Bertolo, Leonardo Nobuo Oshima Marcolan, Christine Laure Marie Bourotte

  47-62

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  DOI: https://doi.org/10.5327/Z1519-874x2009000200003

• New Geological and Geophysical Data for the Geometric and Stratigraphic Characterization of the Alhandra Sub-basin (southeast of Paraíba)

  Benjamim Bley de Brito Neves, José do Patrocínio Tomaz Albuquerque, José Moacyr Vianna Coutinho, Francisco Hilário Rego Bezerra

  63-87

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  DOI: https://doi.org/10.5327/Z1519-874x2009000200004

• Geochemistry and Nd-Sr Isotopic Signatures of the Pensamiento Granitoid Complex, Rondonian-San Ignacio Province, Eastern Precambrian Shield of Bolivia: Petrogenetic Constraints for a Mesoproterozoic Magmatic Arc Setting

  Ramiro Matos, Wilson Teixeira, Mauro Cesar Geraldes, Jorge Silva Bettencourt

  89-117

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  DOI: https://doi.org/10.5327/Z1519-874x2009000200005