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| Khawr al Fazra 018 | |||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Khawr al Fazra 018 This is an OFFICIAL meteorite name. Abbreviation: KaF 018 Observed fall: No Year found: 2013 Country: Saudi Arabia Mass:  0.86 g | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 627 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||||||||
| Comments: | Approved 28 Jan 2014 | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 103:
Khawr al Fazra 018 (KaF 018) 19°26.637’N, 50°46.956’E Ash Sharqiyah, Saudi Arabia Found: 15 Feb 2013 Classification: Ureilite History: Found by Edwin Gnos, Beda Hofmann, Ayman Majoub search for meteorites on small patch of desert soil between dunes on Feb. 15, 2013. Physical characteristics: Sand-nodule of 0.86 g cemented by dark brown magnetic, Ni-rich Fe-(hyd)oxides, with remnants of original meteorite up to 3 mm in size. Petrography: Polished thin section shows terrestrial quartz sand grains cemented by maghemite and Fe-hydroxides. Inclusions of meteoritic remnants up to 3 mm in size consist of olivine, pyroxene, diamond platelets, traces of Fe-metal, troilite. Geochemistry: (N. Greber, Bern) olivine compositions are Fa5.6-19.6, median Fa11.6, Cr2O3 0.47±0.22 wt% (n=36), Ca-poor pyroxene compositions are Fs13.2-15.3Wo3.3-9.1, Cr2O3 0.86-1.09 wt% (n=3), Ca-rich pyroxene compositions are Fs5.3-16.4Wo25.7-33.3 , median Fs9.8Wo26.7, mean Cr2O3 1.46±0.56 wt% (n=8). The sand-rich weathering rind has the following composition (XRF): Fe 24.5wt%, Ni 0.7wt%. Classification: Based on silicate compositions, high Cr content of silicates, and the presence of diamond platelets this is an ureilite. Specimens: All material at MHNGE. | ||||||||||||||||||||||||||||||||||||
| Data from: MB103 Table 0 Line 0: |
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| Institutions and collections |
MHNGE: Muséum d’histoire naturelle, Route de Malagnou 1, CH-1211 Genève 6
, Switzerland (institutional address; updated 27 Oct 2011) Bern: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address) SGS: Saudi Geological Survey, Jeddah, Saudi Arabia (institutional address; updated 11 Feb 2010) |
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| References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography:
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Statistics: This is 1 of 103 approved meteorites from Ash Sharqiyah, Saudi Arabia (plus 1 unapproved name) (plus 1 impact crater) This is 1 of 112 approved meteorites from Saudi Arabia (plus 4 unapproved names) (plus 2 impact craters) | ||||||||||||||||||||||||||||||||||||
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