Oxygen isotope evidence for recycled crust in the source of EM-type ocean island basalts

Details Oxygen isotope evidence for recycled crust in the source of EM-type ocean island basalts Oxygen isotope evidence for recycled crust in the source of EM-type ocean island basalts

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993natur.362..809w&link_type=abstract

Nature (ISSN 0028-0836), vol. 362, no. 6423, p. 809-813.

Computer Science

22

Basalt, Earth Crust, Islands, Lava, Oceans, Oxygen Isotopes, Magma, Trace Elements

Scientific paper

The oxygen isotope compositions of fresh volcanic glasses from submarine volcanoes of 'enriched mantle' (EM-I and EM-II) type appear to require the presence of subducted crustal components in the source of these lavas. These data confirm earlier inferences from trace elements and radiogenic isotopes, and also provide a rare opportunity to estimate the proportion of subducted material that reaches the source region of ocean island basalts.

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