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| Erg Chech 001 | |||||||||||||||||||||||||||||||||
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| Basic information | Name: Erg Chech 001 This is an OFFICIAL meteorite name. Abbreviation: EC 001 Observed fall: No Year found: 2017 Country: Algeria Mass:  1266 g | ||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 510 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||||
| Comments: | Approved 27 Mar 2018 | ||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 107:
Erg Chech 001 (EC 001) 26.0555°N, 2.0797°W Algeria Find: 2016 Dec Classification: HED achondrite (Diogenite) History: Three similar looking stones (weighing 998, 138, and 130 g) were found in December 2016 and January 2017 in the Erg Chech Desert, 235 km WSW of the village of Tawrirt in the Adrar region of Algeria. The 138 g stone was subsequently acquired by John Higgins. Physical characteristics: The 138 g stone lacks fusion crust and the fresh interior is mostly yellowish-green with sparse opaque grains. Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate of predominantly orthopyroxene (mean grainsize 0.9 mm) plus minor chromite (containing blebs of troilite) and rare taenite (containing minor Cu). Geochemistry: Orthopyroxene (Fs23.1-23.2Wo1.7-1.8, FeO/MnO = 28-33, N = 3). Classification: Diogenite. Specimens: 21.6 g including one polished endcut at UWB; remainder of the 138 g stone with Mr. J. Higgins; other stones with the anonymous finders. | ||||||||||||||||||||||||||||||||
| Data from: MB107 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) UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) |
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| References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography:
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Statistics: This is 1 of 187 approved meteorites from Adrar, Algeria (plus 1 unapproved name) This is 1 of 1270 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters) | ||||||||||||||||||||||||||||||||
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