Search for microaustralites in deep-sea sediments less than 20,000 years old

Details Search for microaustralites in deep-sea sediments less than 20,000 years old Search for microaustralites in deep-sea sediments less than 20,000 years old

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992metic..27..605g&link_type=abstract

Meteoritics (ISSN 0026-1114), vol. 27, no. 5, p. 605-608.

Computer Science

1

Australites, Ocean Bottom, Sedimentary Rocks, Tektites, Abundance, Geochemistry, Planetary Evolution, Radioactive Age Determination

Scientific paper

Several authors have proposed that australites fell less than 20,000 years ago. We searched for microtektites in the tops of 46 deep-sea cores and were unable to find evidence for a microtektite layer less than 20,000 years old. Either the australite fall was not accompanied by microtektites, or the strewnfield did not extend into the area searched, or the australites fell about 0.77 Ma ago as indicated by their radiometric ages.

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