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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Impact Craters in South America

Impact Craters in South America

Ponce, Juan Federico
Rocca, Maximiliano C. L.
Acevedo, Rogelio Daniel

Paperback

Series: Springerbriefs in Earth System Sciences

Astronomy & SpaceGeographyGeology

ISBN10: 3319130927
ISBN13: 9783319130927
Publisher: Springer
Published: May 6 2015
Pages: 104
Weight: 0.38
Height: 0.24 Width: 6.14 Depth: 9.21
Language: English
A complete and updated catalogue of impact craters and structures in South America from 2014 is presented here. Approximately eighty proven, suspected and disproven structures have been identified by several sources in this continent. All the impact sites of this large continent have been exhaustively reviewed: the proved ones, the possible ones and some very doubtful. Many sites remain without a clear geological in situ confirmation and some of them could be even rejected. Argentina and Brazil are leading the list containing almost everything detected. In Bolivia, Chile, Colombia, Guyana, Paraguay, Perú, Uruguay and Venezuela only a few were observed. Only Ecuador is waiting for new discoveries. So far, the largest well stated impact site is still the Araguainha structure in Brazil with its 40 kilometers in diameter. However, two possible impact structures are larger than Araguainha: Malvinas, (with 250 kilometers in diameter) and Vichada in Colombia, (50 kilometers). This study also reports the existence of some Tertiary-Quaternary glassy impactite layers: the escorias and tierras cocidas of the pampas in Argentina.

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