Reports

Properties and Composition of Lunar Materials: Earth Analogies

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Science  26 Jun 1970:
Vol. 168, Issue 3939, pp. 1579-1580
DOI: 10.1126/science.168.3939.1579

Abstract

The sound velocity data for the lunar rocks were compared to numerous terrestrial rock types and were found to deviate widely from them. A group of terrestrial materials were found which have velocities comparable to those of the lunar rocks, but they do obey velocity-density relations proposed for earth rocks.