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| Sayh al Uhaymir 628 | |||||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Sayh al Uhaymir 628 This is an OFFICIAL meteorite name. Abbreviation: SaU 628 Observed fall: No Year found: 2016 Country: Oman Mass:  9.41 kg | ||||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 604 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||||||||||
| Comments: | Approved 10 Apr 2021 | ||||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Sayh al Uhaymir 628 (SaU 628) 20°48.176’N, 57°02.343’E Al Wusta, Oman Find: 08 Feb 2016 Classification: Ureilite History: A single complete individual was found during a search for meteorites. Physical characteristics: Dark brown rounded individual, wind-ablated, no fusion crust Petrography: (T. Burri, E. Gnos, B. Hofmann) The sample consist mainly of olivine and pigeonite and shows the characteristic ureilitic texture, typical grain size is 0.8-2.0 mm. Olivine has reduced rims (width 50-100 μm) with minute Fe metal inclusions, partly oxidized due to weathering. Carbon platelets (up to 2 mm in length) consist dominantly of diamond. Silicates are weakly shocked (S2). Medium weathering, most iron metal oxidized while silicates are not affected. Geochemistry: (T. Burri, NMBE) Olivine cores Fa21.8±0.3, Fe/Mn = 45±2, Cr2O3=0.62±0.05 wt% (N = 16), reduced Ol rims have Fa>4.7. Pigeonite has Fs18.5±0.8Wo5.8±1.9, Cr2O3 1.00±0.05 wt% (N = 20). Classification: Based on texture, mineralogy and geochemistry this is an unbrecciated, monomict, ferroan ureilite. Specimens: 135.6 g including one polished thin section at NMBE, main mass: MHTO | ||||||||||||||||||||||||||||||||||||||
| Data from: MB110 Table 0 Line 0: |
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| Institutions and collections |
NMBE: Natural History Museum Bern
Bernastrasse 15
CH-3005 Bern
Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012) MHTO: Ministry of Heritage and Tourism Muscat , Oman (institutional address; updated 10 Apr 2021) |
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| References: | Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:
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Statistics: This is 1 of 1756 approved meteorites from Al Wusta, Oman (plus 75 unapproved names) This is 1 of 4002 approved meteorites from Oman (plus 434 unapproved names) | ||||||||||||||||||||||||||||||||||||||
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