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Yamato 981810 | |||||||||||||||||||
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Basic information | Name: Yamato 981810 This is an OFFICIAL meteorite name. Abbreviation: Y-981810 Observed fall: No Year found: 1998 Country: Antarctica [Collected by National Institute of Polar Research, Japan] Mass: 137.8 g | ||||||||||||||||||
Classification history: |
This is 1 of 658 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||
Comments: | Approved 26 May 2011 | ||||||||||||||||||
Writeup |
Writeup from MN J20:
Y981810
Ureilite The section displays a coarse-grained (up to 2 mm in the longest dimension) granular texture composed of olivine with minor pyroxene. Some olivine granules are poikilitically enclosed by large pyroxene grains. Many grains have dusty rims (<100 μm thick). Graphite laths (~100-200 x ~10-20 μm) occur along boundaries and in some mafic minerals. Olivine shows a weak mottled extinction. Olivine compositions are Fa17.5-24.5. | ||||||||||||||||||
Data from: MB99 Table 0 Line 0: |
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Institutions and collections |
NIPR: Antarctic Meteorite Research Center, National Institute of Polar Research, 10-3 Midori-cho, Tachikawa, Tokyo 190-8518, Japan; Website (institutional address; updated 9 Dec 2013) |
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Catalogs: |
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References: | Published in Meteorite newsletter : Japanese collection of Antarctic meteorites /Meteorite newsletter : Japanese collection of Antarctic meteorites ,20,1-19 (2011-03) Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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Geography: |
Statistics: This is 1 of 44400 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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