Allan Hills A77219 - The first Antarctic mesosiderite
The abundance of orthopyroxene, inverted pigeonite, plagioclase, tridymite, kamacite, and tetrataenite, plus the whole rock analysis, indicates that ALHA 77219 is a mesosiderite. The presence of inverted pigeonite rims on orthopyroxene clasts plus the range of Fe/Mg and Fe/Mn ratios for pyroxene and...
Main Authors: | , , |
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Format: | Other/Unknown Material |
Language: | unknown |
Published: |
1980
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Subjects: | |
Online Access: | http://ntrs.nasa.gov/search.jsp?R=19820038773 |