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...

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Bibliographic Details
Main Authors: Agosto, W. N., Hewins, R. H., Clarke, R. S., Jr.
Format: Other/Unknown Material
Language:unknown
Published: 1980
Subjects:
91
Online Access:http://ntrs.nasa.gov/search.jsp?R=19820038773