Classification of lunar rocks and glasses by a new statistical technique

Details Classification of lunar rocks and glasses by a new statistical technique Classification of lunar rocks and glasses by a new statistical technique

Dec 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976moon...16..175c&link_type=abstract

The Moon, vol. 16, Dec. 1976, p. 175-190.

Physics

10

Glass, Lunar Evolution, Lunar Mantle, Lunar Rocks, Multivariate Statistical Analysis, Apollo Flights, Basalt, Data Processing, Geochemistry, Lunar Crust, Pyroxenes, Random Sampling

Scientific paper

A multivariate statistical technique has been developed for detection of population groupings in data arrays. General characteristics of the method are described. Results obtained analyzing lunar rocks and glasses are discussed. Lunar rocks lie in a genetically related sequence: pyroxenitic mantle materials produce mare-type basalts; anorthositic rocks are the most distant members of the differentiation; noritic, high-Ti, and high-KREEP basalt materials appear to be intermediate products. Lunar glasses parallel the overall behavior of rocks, with some peculiar local characteristics. Granitic materials are present only as glasses, suggesting an origin as residuals. Links between several identified classes are discussed in terms of the evolution of the lunar crust.

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