Browsing Exact and Earth Sciences by Subject "Zircon"

Now showing items 1-2 of 2

    • Ion microproble (SHRIMP) dates complex granulite from Santa Catarina, southern Brazil 

      Hartmann, Leo Afraneo; Santos, João Orestes Schneider; McNaughton, Neal Jesse; Vasconcellos, Marcos Antonio Zen; Silva, Luiz Carlos da (2000) [Journal article]
      Complex polymetamorphic granulites have been dated in the Santa Catarina granulite complex of southern Brazil through SHRIMP study of zircon. This complex is dominated by intermediate-acid plutonic rocks and contains small ...

    • SHRIMP U-Pb zircon dating of Pedras Grandes Suite, southern Santa Catarina State, Brazil 

      Jelinek, Andrea Ritter; Bastos Neto, Artur Cezar; Leite, Jayme Alfredo Dexheimer; Hartmann, Leo Afraneo; McNaughton, Neal Jesse (2005) [Journal article]
      Dois dos principais pulsos da atividade granítica no Batólito Florianópolis em Santa Catarina ocorreram entre 613±5 Ma e 595±5 Ma, durante o Neoproterozóico do Ciclo Brasiliano. Estas idades foram obtidas a partir de ...