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Robbers Roost | |||||||||||||||||||||||||||||||||||||||
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Basic information | Name: Robbers Roost 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: ![]() | ||||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 6415 approved meteorites (plus 2 unapproved names) classified as H4. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||||||
Comments: | Approved 18 Sep 2021 | ||||||||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Robbers Roost 35°33.30’N, 118°1.6’W California, United States Find: 2020 June 06 Classification: Ordinary chondrite (H4) History: On 2020 June 6, a 161 g stone was found by Louis Cornell while he and his work-team were transplanting chaparral bushes for the Bureau of Land Management in Kern County. Physical characteristics: A lightly weathered, brown stone. A 6-sided rectangular, nearly whole-individual, having two thumbprint-shaped regmaglypts, with only one hackly side missing fusion-crust, but having one obvious chondrule sticking-out in high relief. Petrography: (D. Sheikh, FSU) Sample is an ordinary chondrite containing chondrules (Av. 500±50µm), Fe-Ni metal, troilite, and merrillite. Geochemistry: Olivine (Fa19.6±0.8, range Fa18.3-21.8, n=23), Low-Ca Pyroxene (Fs16.7±0.6Wo1.3±0.2, range Fs15.9-17.9Wo0.9-1.5, n=16). Classification: Ordinary Chondrite (H4) Specimens: 20 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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Catalogs: |
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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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Photos: |
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Geography:![]() |
Statistics: This is 1 of 269 approved meteorites from California, United States (plus 24 unapproved names) This is 1 of 1894 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters) | ||||||||||||||||||||||||||||||||||||||
Proximity search: |