Abundances of sodium, sulfur, and potassium in lunar volcanic glasses: Evidence for volatile loss during eruption

Details Abundances of sodium, sulfur, and potassium in lunar volcanic glasses: Evidence for volatile loss during eruption Abundances of sodium, sulfur, and potassium in lunar volcanic glasses: Evidence for volatile loss during eruption

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ga17.conf....7d&link_type=abstract

In Lunar Science Inst., Workshop on Geology of the Apollo 17 Landing Site p 7-9 (SEE N93-18786 06-91)

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1

Abundance, Apollo 17 Flight, Basalt, Geochemistry, Glass, Lunar Geology, Lunar Maria, Lunar Rocks, Potassium, Sodium, Sulfur, Volcanoes, Volcanology, Crystallinity, Lunar Landing Sites, Spherules

Scientific paper

Six varieties of lunar volcanic glass are known to occur within the Apollo 17 sample collection. Investigations have shown that 25 volatile elements are known to be concentrated on the exterior surfaces of individual volcanic glass spheres. Since bulk analyses of volcanic glass provide an integrated abundance of an element on and with the glass spherules, other methods must be relied on to determine the interior abundance of an element. The interior abundance of an element with a volcanic glass sphere establishes the abundance of that element in the melt at the time of quench. The current study is part of a comprehensive attempt to measure the abundance of three volatile elements (Na, S, and K) within representative spheres of the 25 varieties of lunar volcanic glass currently known to exist at the Apollo landing sites. Comparison of the measured abundances of these elements within the interiors of individual glasses with bulk analyses and crystalline mare basalts will furnish new constraints on the geochemical behavior of volatile elements during lunar mare volcanism.

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