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Age of a lunar anorthosite.The crystallization age of an Apollo 15 anorthosite rock, 15415,9, returned from the lunar highlands has been measured to be 4.09 (plus or minus 0.19) b.y. The primitive lunar crust must have been formed in the first 300 to 400 m.y. The results give some credence to the hypothesis that the primitive lunar surface was molten and large-scale fractional crystallization occurred in the early history of the moon.
Document ID
19720034604
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Husain, L.
Schaeffer, O. A.
Sutter, J. F.
(New York, State University Stony Brook, N.Y., United States)
Date Acquired
August 6, 2013
Publication Date
January 28, 1972
Publication Information
Publication: Science
Volume: 175
Subject Category
Space Sciences
Accession Number
72A18270
Funding Number(s)
CONTRACT_GRANT: NGL-33-015-130
Distribution Limits
Public
Copyright
Other

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