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Elastic wave velocities of Apollo 12 rocks at high pressures

Kanamori, H. and Mizutani, H. and Hamano, Y. (1971) Elastic wave velocities of Apollo 12 rocks at high pressures. In: Proceedings of the Second Lunar Science Conference. Lunar Science Institute. Vol.3. No.2. MIT Press , New York, NY, pp. 2323-2326. https://resolver.caltech.edu/CaltechAUTHORS:20150610-083608236

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Abstract

New results of P- and S-wave velocity measurements on two Apollo 12 rocks, 12052 and 12065, under pressures up to 10 kbars are presented. These rocks are basalt-like crystalline rocks with a bulk density of about 3.26 g/cm^3 and a mean atomic weight of 24.5. Like the Apollo 11 rocks, the velocities and the wave transmission efficiency are surprisingly low at low pressures despite their relatively tight texture; at pressures below 200 bars, Q is estimated to be less than 100. The velocities increase very rapidly with pressure and approach 7.0 km/sec (P wave) and 3.9 km/sec (S wave) towards 10 kbars. No evidence is found for an increase of Q at 1 MHz with a reduction of the ambient pressure to 3 x 10^(-3) torr.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu//abs/1971LPSC....2.2323KADSArticle
ORCID:
AuthorORCID
Kanamori, H.0000-0001-8219-9428
Additional Information:© 1971 Lunar and Planetary Institute. Provided by the NASA Astrophysics Data System. Received 20 February 1971; accepted 24 March 1971.
Series Name:Lunar Science Institute
Issue or Number:2
Record Number:CaltechAUTHORS:20150610-083608236
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150610-083608236
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58147
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:10 Jun 2015 18:46
Last Modified:09 Mar 2020 13:18

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