76535: thermal history deduced from pyroxene precipitation in anorthite.
Abstract
Plagioclase in the slowly cooled lunar troctolite 76535 contains abundant rows of inclusions shown by transmission electron microscopy, electron diffraction, and X-ray energy analysis to consist mainly of augite, pigeonite, orthopyroxene, pores, and an unidentified phase which is preferentially thinned out during sample preparation. A minor inclusion is Ni-Fe metal. The pyroxenes are interpreted to have exsolved from plagioclase in the solid state.
- Publication:
-
Lunar and Planetary Science Conference Proceedings
- Pub Date:
- April 1976
- Bibcode:
- 1976LPSC....7.1875N
- Keywords:
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- Lunar Rocks;
- Lunar Temperature;
- Metamorphism (Geology);
- Pyroxenes;
- Lunar Composition;
- Lunar Geology;
- Microstructure;
- Lunar and Planetary Exploration