Paleoproterozoic source contributions to the São Roque Group sedimentation: LA-MC-ICPMS U-Pb dating and Sm-Nd systematics of clasts from metaconglomerates of the Boturuna Formation

Henrique‐Pinto, Renato; de Assis Janasi, Valdecir; Simonetti, Antonio; Celso Gaeta Tassinari, Colombo; M. Heaman, Larry

doi:10.5327/z1519-874x2012000300002

Public

Paleoproterozoic source contributions to the São Roque Group sedimentation: LA-MC-ICPMS U-Pb dating and Sm-Nd systematics of clasts from metaconglomerates of the Boturuna Formation

Shared by NobleBlocks on Dec 1, 2012 • 12:00 AM UTC

Authors:

Renato Henrique‐Pinto

Valdecir de Assis Janasi

Antonio Simonetti

Abstract

The So Roque Group is characterized by volcano-sedimentary sequences, in which deposition probably started in the late Paleoproterozoic. U-Pb dating by LA-MC-ICPMS of zircons extracted from predominantly equigranular monzogranites clasts from Morro Doce and Morro do Polvilho regions, yield paleoprot...

Subject

Archean

Geology

Clastic rock

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