O Gabro coronítico de Amparo, RJ: petrografia, química mineral e geotermometria

Authors

  • Isabel Pereira Ludka
  • Cristina Maria Wiedemann

DOI:

https://doi.org/10.11137/1997_0_143-162

Abstract

A gabbroic body of probable Brasiliano age, cropping out in a 4 km2 area around Amparo, in the state of Rio de Janeiro, was studied under the petrographic microscope and the electron microprobe. The dominant mineral assemblage consists of plagioclase (An 89

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Published

1997-01-01

How to Cite

Ludka, I. P. and Wiedemann, C. M. (1997) “O Gabro coronítico de Amparo, RJ: petrografia, química mineral e geotermometria”, Anuário do Instituto de Geociências. Rio de Janeiro, BR, 20, pp. 143–162. doi: 10.11137/1997_0_143-162.

Issue

Vol. 20 (1997)

Section

não definida

License

This journal is licensed under a Creative Commons — Attribution 4.0 International — CC BY 4.0, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.