Eruption and Emplacement of Lunar Pyroclastic Glasses as Inferred from the 74001/2 Section

Details Eruption and Emplacement of Lunar Pyroclastic Glasses as Inferred from the 74001/2 Section Eruption and Emplacement of Lunar Pyroclastic Glasses as Inferred from the 74001/2 Section

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1411w&link_type=abstract

Lunar and Planetary Science, volume 27, page 1411

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2

Apollo 17, Moon, Taurus-Littrow, Volcanic Glasses, Volcanism

Scientific paper

We have examined the 26 thin sections made along the length of the 68-cm deep 74001/2 core. The core is composed of ~99% submillimeter orange volcanic glasses and their crystallized equivalents (black beads). The Taurus-Littrow dark mantle deposit on the southeastern edge of Mare Serenitatis represents a mixture of these volcanic beads with other lunar soils. The source(s) location and eruption conditions that produced the volcanic beads at Taurus-Littrow and other regional dark mantle deposits is still under debate. In this study, we have examined thin sections and determined the cooling histories for the volcanic beads based upon their textures. In addition, several digital elemental images were made of four of the thin sections taken at different depths within the core. Our goal is to use the petrology of the beads to determine the eruption conditions in the fire fountain and the most likely location and number of vent sources associated with the Taurus-Littrow deposit. Eventually, we intend to apply our results from the Taurus-Littrow study to other regional dark mantle deposits on the Moon using Clementine multispectral data.

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