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A chemical model for generating the sources of mare basalts - Combined equilibrium and fractional crystallization of the lunar magmasphereA chemical model for simulating the sources of the lunar mare basalts was developed by considering a modified mafic cumulate source formed during the combined equilibrium and fractional crystallization of a lunar magma ocean (LMO). The parameters which influence the initial LMO and its subsequent crystallization are examined, and both trace and major elements are modeled. It is shown that major elements tightly constrain the composition of mare basalt sources and the pathways to their creation. The ability of this LMO model to generate viable mare basalt source regions was tested through a case study involving the high-Ti basalts.
Document ID
19930028357
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Snyder, Gregory A.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Taylor, Lawrence A.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Neal, Clive R.
(Tennessee Univ. Knoxville, United States)
Date Acquired
August 15, 2013
Publication Date
October 1, 1992
Publication Information
Publication: Geochimica et Cosmochimica Acta
Volume: 56
Issue: 10
ISSN: 0016-7037
Subject Category
Lunar And Planetary Exploration
Accession Number
93A12354
Funding Number(s)
CONTRACT_GRANT: NAG9-415
Distribution Limits
Public
Copyright
Other

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