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Fine-Scale Variations in Eucritic Pyroxene FeO/MnO: Process vs. Provenance.

Mittlefehldt, D. W.; Barrett, T. J.; Le, L; Peng, Z. X.; Berger, E. L. and Ross, D. K (2018). Fine-Scale Variations in Eucritic Pyroxene FeO/MnO: Process vs. Provenance. In: 49th Lunar and Planetary Science Conference (LPSC2018), 19-23 Mar 2018, The Woodlands, Houston, Texas, USA.

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Abstract

Most asteroidal igneous rocks are eucrite-like basalts and gabbros, composed mostly of ferroan low- and high-Ca pyroxenes and calcic plagioclase, plus smaller amounts of silica (most commonly tridymite), ilmenite, chromite, troilite, Ca-phosphate, metal and sometimes ferroan olivine. Eucrite-like mafic rocks are fragments of the crusts of differentiated asteroids, and most are likely from 4 Vesta.

Item Type: Conference or Workshop Item
Copyright Holders: 2018 The Authors
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
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Item ID: 54793
Depositing User: Thomas Barrett
Date Deposited: 30 Apr 2018 10:25
Last Modified: 09 May 2019 21:07
URI: http://oro.open.ac.uk/id/eprint/54793
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