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Title: Candidate samples for the earliest lunar crust

Journal Article · · Proc. Conf. Lunar Highlands Crust; (United States)
OSTI ID:6665880

A group of non-mare samples has a Cl/P/sub 2/O/sub 5/ ratio that is much lower than in other lunar samples. Two clusters of samples with order(s) of magnitude differences in minor and trace element contents make up the group. They were all returned from non-mare sites; no mare basalt or Apollo 16 anorthositic samples are included. It is proposed that these samples could be relics from an original lunar crustal layer which evolved more or less independently but concurrently with the differentiation of an underlying deep magma ocean from which all other samples were eventually derived. 2 tables.

Research Organization:
Argonne National Lab., IL
OSTI ID:
6665880
Journal Information:
Proc. Conf. Lunar Highlands Crust; (United States), Journal Name: Proc. Conf. Lunar Highlands Crust; (United States)
Country of Publication:
United States
Language:
English