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| Swayyah 005 | |||||||||||||||||||||||||||||||||||
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| Basic information | Name: Swayyah 005 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2021 Country: Western Sahara Mass:  2.65 kg | ||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 322 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). [show all] Search for other: Martian meteorites | ||||||||||||||||||||||||||||||||||
| Comments: | Approved 19 Mar 2022 | ||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 111:
Swayyah 005 26.710°N, 8.934°W Saguia el Hamra, Western Sahara Purchased: 2021 Sep Classification: Martian meteorite (Shergottite) History: In February 2019 a Moroccan meteorite hunter found two stones at a place called Dalaat Ladmeya in southeastern Morocco. A 2145 g stone was found at 26°42’34.38"N, 08°56’01.84"W and a similar-appearing 603 g stone at 26°42’34.49"N, 08°54’01.99" W. Both stones were sold in September 2021 to Luca Cableri of the Theatrum Mundi Gallery, Italy, and the larger stone was later sold to Wunderkammer in Zürich. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Diabasic texture. Composed predominantly of zoned prismatic clinopyroxene and lath-like maskelynite together with accessory silica polymorph, merrillite, Cr-ulvöspinel, ilmenite, pyrrhotite, baddeleyite, anorthoclase and alkali feldspathic glass, plus minor secondary calcite and Fe hydroxides. Some small, dark glassy melt pockets are present. Geochemistry: Subcalcic augite (Fs22.1-23.1Wo38.4-35.3, FeO/MnO = 28, N = 2), pigeonite (Fs30.9Wo10.9, FeO/MnO =29), ferropigeonite rims (Fs50.0-60.8Wo12.3-17.5, FeO/MnO = 34-38, N = 3), maskelynite (An45.-0-49.9Or4.3-1.2, N = 3), anorthoclase (Ab43.8An41.0Or15.2). Classification: Shergottite (diabasic). Paired with Swayyah 002 found in the same area. Specimens: 22.9 g including one polished thin section at UWB; remainders of both stones separately at Wunderkammer, Zürich and Theatrum Mundi, Arezzo, Italy. | ||||||||||||||||||||||||||||||||||
| Data from: MB111 Table 0 Line 0: |
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| Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) |
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| Catalogs: |
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| References: | Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Geography:
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Statistics: This is 1 of 117 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name) This is 1 of 280 approved meteorites from Western Sahara (plus 20 unapproved names) | ||||||||||||||||||||||||||||||||||
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