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| Cargo Muchacho Mountains (c) | |||||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Cargo Muchacho Mountains (c) This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2020 Country: United States Mass:  219 g | ||||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 2105 approved meteorites (plus 5 unapproved names) classified as L4. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||||||
| Comments: | Approved 31 May 2021 | ||||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Cargo Muchacho Mountains (c) 32°55.325’N, 114°45.998’W California, United States Find: 2020 Dec 30 Classification: Ordinary chondrite (L4) History: A weathered, ordinary chondrite was recovered by Anton Clemons on January 30, 2020, while he was searching for additional stones of the Cargo Muchacho Mountains (CO3) meteorite. Physical characteristics: One main stone, which is blocky-shaped and dark-brown, and one fragment which can be physically-paired to the main-mass. The main-mass has a relict fusion-crust except for the corners and edges. A cut surface reveals an interior of matrix-supported chondrules of various colors and sizes. Petrography: (D. Sheikh, FSU) Sample is an ordinary chondrite containing chondrules (Av. 600±50µm), Fe-Ni metal, troilite, and chromite. Geochemistry: Olivine (Fa25.0±0.6, range Fa24.2-26.0, n=16), Low-Ca Pyroxene (Fs21.5±0.7Wo1.2±0.2, range Fs20.5-22.7Wo0.9-1.6, n=15). Classification: Ordinary Chondrite (L4) Specimens: 21 g and a thin section at UCLA; main mass with Verish. | ||||||||||||||||||||||||||||||||||||||
| Data from: MB110 Table 0 Line 0: |
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| Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010) Verish: Robert Verish, Meteorite-Recovery Lab, P.O. Box 463084, Escondido, CA 92046, United States; Website (private address; updated 27 May 2009) |
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| References: | Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography:
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Statistics: This is 1 of 269 approved meteorites from California, United States (plus 24 unapproved names) This is 1 of 1934 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters) | ||||||||||||||||||||||||||||||||||||||
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