Terrestrial Origin of Aluminium-26 and Oceanic Sedimentation Rate

Details Terrestrial Origin of Aluminium-26 and Oceanic Sedimentation Rate Terrestrial Origin of Aluminium-26 and Oceanic Sedimentation Rate

Nov 1967

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1967natur.216..569y&link_type=abstract

Nature, Volume 216, Issue 5115, pp. 569-571 (1967).

Physics

4

Scientific paper

THE recent detection of aluminium-26 in marine sediments by Amin, Kharkar and Lal1 has posed a question about the origin of this nuclide. Lal and Venkatavaradan2 pointed out that the amount of aluminium-26 in sediments is an order of magnitude higher than expected, as a result of its production by cosmic ray interactions in the terrestrial environment. Thus they concluded that the large amount of aluminium-26 can only be explained by postulating an influx with extraterrestrial cosmic dust which has been exposed to a significant flux of energetic particles capable of producing nuclear interactions.

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