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Northwest Africa 755 | |||||||||||||||||
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Basic information | Name: Northwest Africa 755 This is an OFFICIAL meteorite name. Abbreviation: NWA 755 Observed fall: No Year found: 2000 or 2001 Country: (Northwest Africa) Mass: 352 g | ||||||||||||||||
Classification history: |
This is 1 of 2 approved meteorites classified as R3.7. [show all] Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3) | ||||||||||||||||
Writeup |
Writeup from MB 85:
Northwest Africa 755 Northwest Africa Found 2000 Rumuruti chondrite (R3.7) A 352 g stone was purchased in Rissani in 2001 January. It was probably found in the Kem Kem region. Classification and mineralogy (A. Sokol and A. Bischoff, Mün): one of the most unequilibrated Rumuruti samples; the sample appears to be unbrecciated in thin section; olivine, Fa36.8±7.8 (range Fa10–44, n = 30); Ca-poor pyroxene, Fs19.7±7.8 (range Fs1–34, n = 18); Ca-pyroxene, Fs10.3±1.2 Wo47.8±1.4; plagioclase, An11.9±1.5; shock stage, S2; weathering grade, W4, with most sulfides destroyed. See also Bischoff et al. (2001). Main mass with purchaser; type specimen, 21 g, and thin section, Mün. | ||||||||||||||||
Data from: MB85 Table 4 Line 202: |
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Institutions and collections |
Mün: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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