Araguainha impact crater, Brazil. I - The interior part of the uplift

Details Araguainha impact crater, Brazil. I - The interior part of the uplift Araguainha impact crater, Brazil. I - The interior part of the uplift

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992metic..27..442v&link_type=abstract

Meteoritics (ISSN 0026-1114), vol. 27, no. 4, p. 442-457.

Computer Science

5

Hypervelocity Impact, Meteorite Craters, Meteoritic Composition, Mineralogy, Brazil, Granite, Rock Mechanics

Scientific paper

According to Silveira Filho and Ribeira (1971), the Araguainha impact crater (Brazil) is an eroded complex crater, produced by a meteoritic impact 246 Ma ago. It is composed of a central nucleus of granite, surrounded by tectonically deformed Paleozoic sediments. This paper describes the central area of the Araguainha uplift on the basis of field observations and presents chemical-composition data of the rock samples collected in 1984 and 1988.

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