Structure in the upper lunar crust

Details Structure in the upper lunar crust Structure in the upper lunar crust

Publishing date

Mar 1977

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977rspta.285..469w&link_type=abstract

Journals

(Royal Society, Discussion on the Moon - A New Appraisal from Space Missions and Laboratory Analyses, London, England, June 9-12

Science

Computer Science

Additional info 2

2

Additional info 3

Lunar Crust, Lunar Geology, Lunar Seismographs, Seismology, Anelasticity, Breccia, Elastic Properties, Lunar Rocks, Lunar Soil, Petrography, Planetary Structure, Temperature Gradients

Type

Scientific paper

Abstract

Warren and Trice (1975) have shown that bulk elastic properties of lunar samples can be systematically correlated with petrographic classification and descriptions of lithification and disaggregation. The present paper reviews the underlying systematics and uses them to estimate the average degree of lithification and structure densities compatible with the observed seismic profiles in the top 30 km of the moon. The estimates are discussed in terms of some of their implications for the thermal gradient and for annealing and fracture histories. The published lunar seismic profiles are consistent with a sharp gradient in structure density at a depth of about 1 km, from highly fractured lithic units above 1 km to only moderately fractured competent rock below.

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