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| Yamato 984028 | |||||||||
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| Basic information | Name: Yamato 984028 This is an OFFICIAL meteorite name. Abbreviation: Y-984028 Observed fall: No Year found: 1998 Country: Antarctica [Collected by National Institute of Polar Research, Japan] Mass:  12.3 g | ||||||||
| Classification history: |
This is 1 of 322 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). [show all] Search for other: Martian meteorites | ||||||||
| Comments: | Approved 8 Aug 2008 | ||||||||
| Writeup |
Writeup from MN J17:
Macroscopic Description This is a subrounded stone with some shiny black fusion crust on one plane surface. Exposed interior shows a greenish, fine-grained granular texture. Some shock melt veins are observed. Petrographic Description The section (51-1) shows a typical poikilitic texture. Large pyroxene oikocrysts enclose rounded olivines and chromites. Small amounts of maskelynite are present. A shock melt vein (400 µm in width) cutting across the middle of the section is observed. Low-Ca pyroxene has a mean composition of Fs22.4Wo3.8. A mean composition of olivine is Fa31.6. The texture and the chemical compositions of constituent minerals indicate that this meteorite is a lherzolitic shergottite. | ||||||||
| Catalogs: |
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| References: | Published in Meteorite newsletter : Japanese collection of Antarctic meteorites /Meteorite newsletter : Japanese collection of Antarctic meteorites ,17, (2008-08) Never published in the Meteoritical Bulletin
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Geography:
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Statistics: This is 1 of 44547 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||
| Also see: |
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| Revision history: |
This lists important revisions made to data for this record.
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