Elastic wave velocities of two Apollo 14 rocks, 14053 and 14321, three Apollo 15 rocks, 15058, 15415, and 15545, and one Apollo 16 rock 60315 have been determined at pressures up to 10 kb. For sample 14321, the variation of the compressional wave velocities with temperature has been measured over the temperature range from 27 to 200 C. Overall elastic properties of these samples except sample 15415 are very similar to those of Apollo 11, 12, and 14 rocks and are concordant with Toksoz et al.'s (1972) interpretation that lunar upper crust is of basaltic composition. Temperature derivative of the P wave velocity for sample 14321 is a half to one order of magnitude larger than that for single crystalline minerals. This suggests that the seismic velocity in the lunar crust may be affected significantly by the temperature distribution.


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    Title :

    Elastic wave velocities of Apollo 14, 15, and 16 rocks


    Contributors:

    Conference:

    Lunar Science Conference ; 1973 ; Houston, TX


    Publication date :

    1973-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Elastic wave velocities and thermal diffusivities of Apollo 14 rocks.

    Mizutani, H. / Fujii, N. / Hamano, Y. et al. | NTRS | 1972


    Elastic and thermal properties of Apollo 11 and Apollo 12 rocks

    Anderson, O. L. / Kumazawa, M. / Morrison, J. A. et al. | NTRS | 1971


    Zirconium fractionation in Apollo 11 and Apollo 12 rocks

    Arrhenius, G. / Everson, J. E. / Fitzgerald, R. W. et al. | NTRS | 1971


    Apollo ablator thermal performance at superorbital entry velocities

    Curry, Donald M. / Stephens, Emily W. | TIBKAT | 1970