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Petrology and geochemistry of lithic fragments separated from the Apollo 15 deep-drill corePetrological and geochemical analysis of lithic fragments separated from the Apollo 15 deep-drill core showed these fragments to fall into the essentially the same range of rock types as observed in surface soil samples and large rock samples. Three particles are singled out as being of special interest. One sample is a mare basalt containing extremely evolved phases. The particle may represent small-scale imperfect crystal/liquid separation in a lava flow. A green glass particle is not the ultramafic emerald green glass described from the Apollo 15 site, but rather an ANT-like light green color, and has a quite different chemical composition from the ultramafic variety. One mare basalt displays a positive Eu anomaly and is enriched in plagioclase relative to olivine plus pyroxene.
Document ID
19780057808
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Lindstrom, M. M.
(Maryland, University College Park, Md., United States)
Nielsen, R. L.
(Maryland Univ. College Park, MD, United States)
Drake, M. J.
(Arizona, University Tucson, Ariz., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Subject Category
Lunar And Planetary Exploration
Meeting Information
Meeting: Lunar Science Conference
Location: Houston, TX
Start Date: March 14, 1977
End Date: March 18, 1977
Accession Number
78A41717
Funding Number(s)
CONTRACT_GRANT: NSF DES-74-23721
CONTRACT_GRANT: NGR-03-002-388
Distribution Limits
Public
Copyright
Other

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