Summary of scientific results: Apollo 16

Details Summary of scientific results: Apollo 16 Summary of scientific results: Apollo 16

Jul 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974plug.nasa..441e&link_type=abstract

In its A Primer in Lunar Geology p 441-448 (SEE N75-13730 04-91)

Computer Science

Apollo 16 Flight, Breccia, Lunar Geology, Lunar Landing Sites, Lunar Rocks, Research Projects, Anorthosite, Apollo Lunar Surface Experiments Package, Gabbro, Geomorphology, Highlands, Lunar Evolution, Lunar Photographs, Volcanology

Scientific paper

The exploration of the Descartes region by the Apollo 16 crewmen provides the best look at lunar highlands. The surprise at Descartes was the state of the rocks, not their composition. That is, breccias rather than volcanics were dominant. The compositions are near those of anorthositic gabbro and gabbroic anorthosite. This composition is consistent with the hypothesis that highlands are an early differentiate of a primitive lunar mantle. Aluminum-to-silicon (Al/Si) and magnesium-to-silicon (Mg/Si) ratios, as determined by the orbiting X-ray fluorescence experiment, indicate that the Descartes area differs compositionally from previous Apollo sites and that its chemical characteristics are representative of large regions of the lunar highlands.

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