The Serra da Borda Breccia Field, Aguapeí Mobile Belt, SW Amazonian Craton, western Brazil: geologic characterization based on field and petrographic data
Siliceous breccias with accompanying massive to banded metachert have been found hosted in metasandstones of the Fortuna Formation, the lower unit of the siliciclastic, mostly psammitic, Aguapeí Group. This group developed mainly in a late Mesoproterozoic aborted continental rift or aulacogen of th...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Serviço Geológico do Brasil (CPRM)
2019-06-01
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Series: | Journal of the Geological Survey of Brazil |
Subjects: | |
Online Access: | https://jgsb.cprm.gov.br/index.php/journal/article/view/51 |