Geochemistry and zircon geochronology of the I-type high-K calc-alkaline and S-type granitoid rocks from southeastern Roraima, Brazil: Orosirian collisional magmatism evidence (1.97-1.96 Ga) in central portion of Guyana Shield

Precambrian Research

Volumn 155, Issue 1-2, 2007, Pages 69-97

  Almeida, Marcelo E ^a,b   Macambira, Moacir J B ^b   Oliveira, Elma C ^b  

^a Geological Survey of Brazil   (Brazil)

^b FEDERAL UNIVERSITY OF PARÁ   (Brazil)

Author keywords

Geochemistry; Granitoid rocks; Guyana Shield; Paleoproterozoic; Zircon geochronology

Indexed keywords

CALC ALKALINE ROCK; GEOCHEMISTRY; GEOCHRONOLOGY; GEOLOGICAL MAPPING; GRANITOID; I-TYPE ROCK; MAGMATISM; PROTEROZOIC; S-TYPE ROCK; URANIUM-LEAD DATING; ZIRCON;

BRAZIL; GUYANA SHIELD; RORAIMA; SOUTH AMERICA; VENEZUELA;

PEREIRA;

EID: 34147128535     PISSN: 03019268     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.precamres.2007.01.004     Document Type: Article

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