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Apollo 16 exploration of Descartes - A geologic summary.The Cayley Plains at the Apollo 16 landing site consist of crudely stratified breccias to a depth of at least 200 meters, overlain by a regolith 10 to 15 meters thick. Samples, photographs, and observations by the astronauts indicate that most of the rocks are impact breccias derived from an anorthosite-gabbro complex. The least brecciated members of the suite include coarse-grained anorthosite and finer-grained, more mafic rocks, some with igneous and some with metamorphic textures. Much of the transverse area is covered by ejecta from North Ray and South Ray craters, but the abundance of rock fragments increases to the south toward the younger South Ray crater.
Document ID
19730031518
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Date Acquired
August 7, 2013
Publication Date
January 5, 1973
Publication Information
Publication: Science
Volume: 179
Subject Category
Space Sciences
Accession Number
73A16320
Funding Number(s)
CONTRACT_GRANT: NASA ORDER T-5874-A
Distribution Limits
Public
Copyright
Other

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