Structural, Petrographic and Geochemical Characteristics of Mafic Dikes Intrusive in Metasedimentary Rocks of the Crixás Greenstone Belt, Goiás
Mafic dikes and stocks are a common feature in the Archean terrain of Goiás, Central Brazil, where they occur asswarms of 2.3 - 2.5 Ga within the granite-gneiss complexes (2.8 e 2.7 Ga), as well as intrusions related to the komatiite andbasalt flows of the greenstone belts lower stratigraphic units,...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidade de São Paulo
2010-10-01
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| Series: | Geologia USP. Série Científica |
| Subjects: | |
| Online Access: | http://ppegeo-local.igc.usp.br/pdf/guspsc/v10n3/08.pdf |