SR isotopic constraints on the petrogenesis of Apollo 17 mare basalts

Details SR isotopic constraints on the petrogenesis of Apollo 17 mare basalts SR isotopic constraints on the petrogenesis of Apollo 17 mare basalts

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976lpsc....7.1507n&link_type=abstract

In: Lunar Science Conference, 7th, Houston, Tex., March 15-19, 1976, Proceedings. Volume 2. (A77-34651 15-91) New York, Pergamon

Other

3

Apollo 17 Flight, Basalt, Lunar Evolution, Lunar Maria, Strontium Isotopes, Crystallization, Lunar Composition, Neodymium Isotopes, Petrology, Radioactive Age Determination, Rubidium Isotopes

Scientific paper

Sr-isotopic results are obtained for three basalt samples from Station 4, and it is shown that these basalts have Rb-Sr crystallization ages and initial Sr-87/Sr-86 ratios which are nearly identical to those of other Apollo 17 basalts. However, their Rb/Sr ratios have been increased two-to-four fold more at the time of their genesis than were those of the majority of Apollo 17 basalts. It is argued that this observation is consistent with their production by small degrees of partial melting of a source containing clinopyroxene as a residual phase.

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