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Rare earths and other trace elements in Luna 16 soil.An analysis has been made of four small samples of material brought to earth by the Luna 16 mission, with the aim to determine rare earths and other trace elements in these samples. The analytical results are tabulated, and the rare earth abundances are compared with the average for chondrites. A comparison is also made with the results of similar analyses of Apollo samples.
Document ID
19720038608
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Helmke, P. A.
Haskin, L. A.
(Wisconsin, University Madison, Wis., United States)
Date Acquired
August 6, 2013
Publication Date
January 1, 1972
Publication Information
Publication: Earth and Planetary Science Letters
Volume: 13
Subject Category
Space Sciences
Accession Number
72A22274
Funding Number(s)
CONTRACT_GRANT: NGL-50-002-148
Distribution Limits
Public
Copyright
Other

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