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Northwest Africa 1668 | |||||||||||||||||||||||
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Basic information | Name: Northwest Africa 1668 This is an OFFICIAL meteorite name. Abbreviation: NWA 1668 Observed fall: No Year found: 2002 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||
Classification history: |
This is 1 of 39 approved meteorites classified as R5. [show all] Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7) | ||||||||||||||||||||||
Writeup![]() |
Writeup from MB 88:
Northwest Africa 1668, additional data Morocco Purchased 2002 October Rumuruti chondrite (R5) Oxygen isotope analysis by D. Rumble (CIW) has confirmed the classification of this stone. Replicate analyses of fresh interior material by laser fluorination gave δ18O = 4.85‰, δ17O = 5.32‰, ∆17O = 2.762 ± 0.002‰. Specimens: type specimen, 24 g, and one polished thin section, UWS; main mass, ROM. | ||||||||||||||||||||||
Data from: MB87 Table 8 Line 229: |
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Data from: MB88 Table 4 Line 17: |
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Plots: | O isotopes: | ||||||||||||||||||||||
Institutions and collections |
ROM: Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada (institutional address; updated 18 Oct 2011) UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) CIW: Carnegie Insitution Washington, Geophysical Laboratory, 5251 Broad Branch Rd., NW, Washington DC 20015, United States (institutional address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003) Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Photos: |
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Geography: |
Statistics: This is 1 of 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) |