Physics
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pepi...30..291v&link_type=abstract
Physics of the Earth and Planetary Interiors, Volume 30, Issue 4, p. 291-299.
Physics
Scientific paper
The magnetic properties of basalts and diabases recovered under Legs 63 and 64 of the Deep Sea Drilling Project are summarized. They are first correlated with the measured grain sizes of the opaque minerals and the overall alteration states of the rocks, the latter measured by conventional chemical parameters such as water content, total volatiles content, and Fe2O3/FeO ratio. It is shown, however, that the decrease in 87Sr/86Sr upon leaching (Δ(87/86Sr)) is perhaps the best quantifier of the overall alteration state of the whole rocks as well as of the degree of low-temperature oxidation suffered by the titanomagnetites. It is well correlated with Curie-point variations caused by changes in the Fe3+/Fe2+ ratio.
Banerjee Subir K.
Verma Surendra P.
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