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Northwest Africa 11443 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11443 This is an OFFICIAL meteorite name. Abbreviation: NWA 11443 Observed fall: No Year found: 2015 Country: Morocco Mass: 900 g | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 658 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||
Comments: | Approved 6 Dec 2017 | ||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11443 (NWA 11443) Morocco Purchased: 2015 Oct Classification: Ureilite History: Purportedly found near Bouarfa, Morocco. Purchased from a Moroccan dealer in October 2015. Petrography: (H. Downes, Birkbeck) SEM imaging shows a typical ureilite texture and fabric with inequigranular, abundant reversely zoned olivines and lesser amounts of low-Ca pyroxene. Some metal and significant amounts of carbon present on grain boundaries. Geochemistry: Mineral compositions and geochemistry: (N. Rai, N. V. Almeida, NHM). All analyses by EPMA. Olivine cores Fa22.7±0.8 (n= 20), 0.40 to 0.46 wt% MnO, 0.52 to 0.58 wt% Cr2O3, 0.27 to 0.31 wt% CaO, <0.01 wt% Ni. Pyroxene Fs17.5±2.9Wo11.9±1.6 (n=8), 0.37 to 0.43 wt% MnO, 0.40 to 1.71 wt% Cr2O3. Classification: Normal main group ureilite. Specimens: 94.6 g on deposit at NHM. M. Bilet holds the main mass. | ||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections |
NHM: Department of Mineralogy, The Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom; Website (institutional address; updated 9 Dec 2011) |
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Catalogs: |
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References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography: |
Statistics: This is 1 of 2049 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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