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Volatiles on the surface of Apollo 15 green glass and trace-element distributions among Apollo 15 soilsZn, Ge, Cd, In, and Au have been detected in surficial deposits on Apollo 15 green-glass spherules, and it is suggested that these deposits are condensates from the magmatic gas phase which was responsible for the pneumatic expulsion of the green glass from the lunar interior. Thermodynamic data indicate that chlorides and fluorides were the dominant forms of the volatile metals. The Ar-40x content of a nongreen-glass soil fraction is greater than that found in green-glass. Mare and low-K Fra Mauro basalts seem to be the most prominent components of Apollo 15 soil. The correlation of Zn with Ar-40x and with Pb-204 is studied, and the distribution of quartz-normative and olivine-normative basalts is considered.
Document ID
19780062788
Document Type
Conference Proceedings
Authors
Chou, C.-L.
(California Univ. Los Angeles, CA, United States)
Boynton, W. V.
(California Univ. Los Angeles, CA, United States)
Sundberg, L. L.
(California Univ. Los Angeles, CA, United States)
Wasson, J. T.
(California, University Los Angeles, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1975
Subject Category
Lunar And Planetary Exploration
Meeting Information
Meeting: Lunar Science Conference
Location: Houston, TX
Start Date: March 17, 1975
End Date: March 21, 1975
Accession Number
78A46697
Funding Number(s)
CONTRACT_GRANT: NGL-05-007-367
Distribution Limits
Public
Copyright
Other

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