Rayleigh wave studies in lunar rocks.An ultrasonic surface wave technique described by the author (1971) is used to verify a hypothesis that links the seismic wave propagation velocities in lunar crust, much too low as compared to those on earth, to the extensive fracturing of lunar rock in the absence of liquids and gases which changed drastically the elastic and inelastic properties of lunar rock. Measurements on lunar rock samples and synthetic analogs suggest that the presence of microfractures have influence on both the wave velocity and Q factor in lunar rocks.
Document ID
19730030323
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Tittmann, B. R. (North American Rockwell Science Center Thousand Oaks, Calif., United States)