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microtektite

sciences naturelles et appliquées - iate.europa.eu
A detailed chronology of the australasian impact event, the brunhes-matuyama geomagnetic polarity reversal, and global climate change... We test the proposed mechanism by examining the record from two high sedimentation rate (8–11 cm/kyr) deep-sea sediment cores (ODP Sites 767 and 769) from marginal seas of the Indonesian archipelago, which record the Australasian impact with well-defined microtektite layers, the Brunhes-Matuyama polarity reversal with strong and stable remanent magnetizations, and global climate with oxygen isotope variations in planktonic foraminifera....
général - core.ac.uk - PDF: academiccommons.columbia.edu
Depth of post-depositional remanence acquisition in deep-sea sediments: a case study of the brunhes-matuyama reversal and oxygen isotopic stage 19.1... Results from a similar study of the displacement between a widespread microtektite layer and the B/M boundary are also included [1]....
Microtektites from the northern victoria land transantarctic mountains: evidence for a new strewn field generated by a catastrophic impact on earth... Microtektites are distal ejecta which are found up to several thousands km from their source crater....
305 © the meteoritical society, 2006. printed in usa. australasian microtektites and associated impact ejecta in the south china sea and the middle pleistocene supereruption of tobamicrotektites at this site and with Australasian microtektites in Core SO95-17957-2 and ODP Hole 1144A from the central and northern part of the South China Sea, respectively....
Leaching behavior of microtektite glass compositions in sea water and the effect of precipitation on glass leachingThe present study attempts to account for the slow corrosion rates of microtektite glass in nature by comparing the leach rates of synthetic microtektite glass samples in deionized water and in sea-water, respectively....

Traductions en contexte anglais - français

Microtektite concentrations have been found in deep sea sediments.

Des concentrations de microtektites ont été trouvées dans des sédiments marins profonds.

général - CCMatrix (Wikipedia + CommonCrawl)


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