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Swayyah 001 | |||||||||||||||||||||||||||||||||||||
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Basic information | Name: Swayyah 001 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2018 Country: Western Sahara Mass: ![]() | ||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 13 approved meteorites classified as Lunar (gabbro). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||||||||
Comments: | Approved 11 Oct 2019 | ||||||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 108:
Swayyah 001 26.709°N, 8.851°W Saguia el Hamra, Western Sahara Purchased: 2018 Nov Classification: Lunar meteorite (gabbro) History: Two large stones (2338 g, 1754 g) and several smaller stones were found together. One stone (177 g) was purchased by Darryl Pitt in November 2018. The 1754 g stone was purchased by Aziz Habibi in January 2019, and subsequently acquired by Darryl Pitt, who independently purchased three additional stones from several Mauritanian dealers in March 2019. Physical characteristics: All stones lack fusion crust. Fresh interiors have a mottled dark gray appearance with a relatively coarse grained, equigranular texture. Petrography: (A. Irving and S. Kuehner, UWS; P. Carpenter, WUSL) Coarse grained, with a gabbroic texture (mean grainsize 1.5 mm). Composed of patchily zoned clinopyroxene, maskelynite, and olivine, with accessory ilmenite, troilite, tranquillityite, Th-free monazite and rare kamacite. Minor secondary calcite and hyalophane were observed on some grain boundaries. Geochemistry: Olivine (Fa66.6-84.2, FeO/MnO = 92-102, N = 3), pigeonite cores (Fs30.1-31.6Wo13.4-10.4, FeO/MnO = 53, N = 2), pigeonite rim (Fs44.4Wo12.5, FeO/MnO = 59), subcalcic augite rim (Fs46.9Wo32.8, FeO/MnO = 71), maskelynite (An85.1-89.1Or0.8-0.3, N = 2). Classification: Lunar (mare gabbro). Specimens: 46.9 g including one polished thin section and one polished endcut at UWB; remainder with DPitt. | ||||||||||||||||||||||||||||||||||||
Data from: MB108 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography:![]() |
Statistics: This is 1 of 108 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name) This is 1 of 270 approved meteorites from Western Sahara (plus 20 unapproved names) | ||||||||||||||||||||||||||||||||||||
Proximity search: |