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Yamato 791497 | |||||||||||||||||
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Basic information | Name: Yamato 791497 This is an OFFICIAL meteorite name. Abbreviation: Y-791497 Observed fall: No Year found: 1979 Country: Antarctica [Collected by National Institute of Polar Research, Japan] Mass: 7 g | ||||||||||||||||
Classification history: |
This is 1 of 451 approved meteorites classified as Howardite. [show all] Search for other: Achondrites, HED achondrites, and Howardites | ||||||||||||||||
Writeup |
Writeup from MN J9(1):
Y-791497, 51-1 The section shows a comminuted clastic matrix, composed of angular fragments (grains up to 1.2 mm) of pyroxene and plagioclase. Trace amounts of black materials (possibly, glassy clasts and metal/troilite) are present as small (up to 0.4 mm in size) grains. One orthopyroxene fragment contains large, irregular to tabular augite (up to 0.1 mm in size). Pyroxene compositions scatter widely from Ca2Fe17-Ca21Fe65. Plagioclase compositions are An89-96; few K-rich grains are present up to An95Ab6. The meteorite is a howardite. | ||||||||||||||||
Catalogs: |
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References: | Published in Meteorite news : Japanese collection of Antarctic meteorites /Meteorite news : Japanese collection of Antarctic meteorites ,9(1),1-58 (2000-06) Never published in the Meteoritical Bulletin
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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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