Mathematics – Logic
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gecoa..55.2025p&link_type=abstract
Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 55, July 1991, p. 2025-2043.
Mathematics
Logic
6
Basalt, Lunar Maria, Magma, Neodymium Isotopes, Strontium Isotopes, Titanium Compounds, Apollo 17 Flight, Chemical Composition, Lunar Rocks
Scientific paper
The geochronological and compositional differences between previously identified magma types (A, B1, B2, and C) were investigated using high-precision Rb-Sr and Sm-Nd isotopic data for a set of Apollo 17 high-Ti mare basalt samples chosen to span the range of each of the magma types. These data, combined with previously reported geochemical ages, suggest that Apollo 17 volcanism was initially dominated by an eruption of Type B basalts. Data obtained from new whole-rock Sr and Nd isotopic analyses exhibited distinct differences in initial Sr and Nd isotopic compositions between Types A, B1, B2, and C basalts and were found to be consistent with existing petrogenetic models.
Halliday Alex N.
Nakai Shun'Ichi
Neal Clive R.
Paces James B.
Taylor Lawrence A.
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