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Mineral compositions in pristine lunar highland rocks and the diversity of highland magmatism
Author(s) -
Bersch Michael G.,
Taylor G. Jeffrey,
Keil Klaus,
Norman Marc D.
Publication year - 1991
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/91gl02540
Subject(s) - pyroxene , magmatism , geology , olivine , geochemistry , electron microprobe , anorthosite , magma , mineral , earth science , suite , mineralogy , plagioclase , paleontology , volcano , quartz , geography , materials science , tectonics , archaeology , metallurgy
High precision electron microprobe analyses of olivine and pyroxene in pristine lunar highland rocks confirm the dichotomy between ferroan anorthosites and the Mg‐suite. Ferroan‐anorthosites plot as coherent trends, consistent with formation in a complex global magma system. Lack of coherent compositional trends in the Mg‐suite rocks indicates derivation from numerous magmas.

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