Variations in chemical composition of Apollo 15 mare basalts

Details Variations in chemical composition of Apollo 15 mare basalts Variations in chemical composition of Apollo 15 mare basalts

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976lpsc....7.1429b&link_type=abstract

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

Computer Science

1

Basalt, Chemical Composition, Lunar Rocks, Petrology, Apollo 15 Flight, Olivine, Quartz, Silicon Dioxide, Statistical Correlation

Scientific paper

Chemical analyses of 30 different Apollo 15 mare basalts were examined to evaluate the effects of closure on the pearson moment correlation coefficient. It is shown possible to describe the Apollo 15 mare basalts in terms of an opaque, an olivine/pyroxene, an anorthite, and a KREEP component, if significant correlations are identified using the expected correlations as null values. Using Q-mode cluster analysis and nonlinear mapping, it is possible to recognize three groups of the mare basalts, groups 1 and 2 belonging to the olivine normative basalt cluster and group 3 to the quartz normative cluster.

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