Chronology of marine sediments using the 10 Be method: intercomparison with other methods

Details Chronology of marine sediments using the 10 Be method: intercomparison with other methods Chronology of marine sediments using the 10 Be method: intercomparison with other methods

Aug 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975gecoa..39.1187a&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 39, Issue 8, pp.1187-1192

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8

Scientific paper

The concentrations of the radionuclides, 10 Be, 230 Th and 232 Th have been measured in four gravity cores from the Pacific and one piston core from the Indian Ocean. Three of the Pacific Ocean cores were studied for the presence of magnetic reversals. Accumulation rates based on the nuclear and magnetic methods fall in the range of 1-6 mm/10 3 yr and except in one case, are in fair agreement with each other. This result leads to the conclusion that the constants used in the 10 Be-dating equation are approximately correct (within + 30 per cent) and the usefulness of the cosmic ray produced nuclei 10 Be for dating Pliocene and recent sediments seems to be established, considering the underlying assumptions in the Be 10 -dating method.

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