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Northwest Africa 5700 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 5700 This is an OFFICIAL meteorite name. Abbreviation: NWA 5700 Observed fall: No Year found: 2008 Country: (Northwest Africa) Mass: 199.2 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 37 approved meteorites classified as LL3-6. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 24 Nov 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 5700 (NWA 5700) (Northwest Africa) Purchased: 2008 Classification: Ordinary chondrite (LL3-6) Petrography: Chondritic breccia with LL3 to LL6 clasts in a fine-grained clastic matrix. Plagioclase grain size in LL5 clasts is ~30 μm and in LL6 clasts ~80 μm. Geochemistry: Olivine in equilibrated lithologies, Fa27.9±0.2, n=12; low-Ca pyroxene in equilibrated lithologies Fe23.7±0.3Wo1.6±0.1, n=12. Olivine in type 3 lithology, Fa16.7±9.1 (Fa0.8-30.2, n=42); low-Ca pyroxene in type 3 lithology, Fs12.8±7.9Wo1±0.6 (Fs4.1-25.5Wo0.2-2.2), n=21. | ||||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography: |
Statistics: This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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