Isotope evidence for involvement of recycled sediments in diamond formation

Details Isotope evidence for involvement of recycled sediments in diamond formation Isotope evidence for involvement of recycled sediments in diamond formation

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991natur.353..649e&link_type=abstract

Nature (ISSN 0028-0836), vol. 353, Oct. 17, 1991, p. 649-653.

Computer Science

27

Diamonds, Earth Mantle, Sedimentary Rocks, Sulfur Isotopes, Earth Crust, Lead Isotopes, Planetary Evolution, Tectonics

Scientific paper

Recent ion microprobe studies have found departures from mantle values in the sulfur isotope compositions of individual diamond inclusions and some magnetic rocks which would be consistent with subduction of altered ocean crust into the region of diamond growth. New sulfur and lead isotope data from diamond sulfide inclusion are presented which suggest that sedimentary material might also be subducted into the mantle and that the crustal recycling process has been operating for at least a billion yrs.

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