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Olivine vitrophyres - A nonpristine high-Mg component in lunar breccia 14321The presence of olivine vitrophyres in breccia 14321 is discussed, suggesting that olivine vitrophyres could account for the high-Mg component of soils and breccias in the lunar highlands. The olivine vitrophyre clasts from 14321 have high bulk MgO and the Mg/(Mg+Fe) ratio is 78 percent. The olivine vitrophyres are impact melt rocks and are rich in KREEP. The high MgO concentration is manifest by skeletal quench crystals of olivine that constitute about 30 percent of the mode.
Document ID
19890023485
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Shervais, John W. (Tennessee, University Knoxville; South Carolina, University, Columbia, United States)
Taylor, Lawrence A. (Tennessee, University Knoxville, United States)
Lindstrom, Marilyn M. (NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1988
Subject Category
Lunar And Planetary Exploration
Meeting Information
Meeting: Lunar and Planetary Science Conference
Location: Houston, TX
Country: United States
Start Date: March 16, 1987
End Date: March 20, 1987
Accession Number
89A10856
Funding Number(s)
CONTRACT_GRANT: NAG9-62
CONTRACT_GRANT: NAG9-56
CONTRACT_GRANT: NAG9-169
Distribution Limits
Public
Copyright
Other

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