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Impact Craters in South America (Paperback, 2015 ed.)
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Impact Craters in South America (Paperback, 2015 ed.)
Series: SpringerBriefs in Earth System Sciences
Expected to ship within 10 - 15 working days
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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, Peru, 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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