Composition and textures of impact and volcanic glasses in the 79001/2 core

Details Composition and textures of impact and volcanic glasses in the 79001/2 core Composition and textures of impact and volcanic glasses in the 79001/2 core

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1535w&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 535.

Computer Science

Lunar Mantle, Hypervelocity Impact, Meteorite Craters, Volcanoes, Glass, Basalt, Apollo 17 Flight, Textures, Crystallization, Meteoritic Composition, Metal Oxides, Minerals

Scientific paper

We have studied thin sections from the 79001/2 core taken on the rim of the 90-m diameter impact crater Van Serg. The core is a mixture of basalt and highland fragments, lithics, agglutinates, and impact and volcanic glasses. The core is significantly different from the 74001/2 core taken on the rim of the impact crater Shorty. While the 74001/2 core is composed of only orange glasses and their crystallized equivalents and therefore represents a stratigraphic section at depth, the 79001/2 core represents a mixture of components making up the regolith. Our interest in the 79001/2 core was to search for volcanic glasses and determine their relationship to those found at Shorty. Each of the 19 thin sections in the Van Serg core was studied and glasses were identified. Impact and volcanic glasses that had a unique texture were compositionally analyzed, as were 128 glasses from two thin sections in the core.

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