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Science 8 June 1973:
Vol. 180. no. 4090, pp. 1063 - 1064
DOI: 10.1126/science.180.4090.1063
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Articles

Apollo 17 Seismic Profiling: Probing the Lunar Crust

Robert L. Kovach 1 and Joel S. Watkins 2

1 Department of Geophysics, Stanford University, Stanford, California 94305
2 Marine Biomedical Institute, University of Texas, Galveston 77550

Apollo 17 seismic data are interpreted to determine the structure of the lunar crust to a depth of several kilometers. Seismic velocity increases in a marked stepwise manner beneath the Taurus-Littrow region at the Apollo 17 site. A thickness of about 1200 meters is indicated for the infilling mare basalts at Taurus-Littrow. The apparent velocity is high (about 4 kilomleters per second) in the material immediately underlying the basalts.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)