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Black Butte 002 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Black Butte 002 This is an OFFICIAL meteorite name. Abbreviation: BB 002 Observed fall: No Year found: 2015 Country: United States Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 20 approved meteorites classified as H3-4. [show all] Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||||
Comments: | Approved 31 Jan 2020 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Black Butte 002 (BB 002) 41°24.207’N, 118°13.478’W Nevada, United States Find: 2015 Aug 9 Classification: Ordinary chondrite (H3-4) History: While searching for meteorites, Robert Verish recovered this stone along the apron of a hummock which formed a west-facing stranding-surface. Physical characteristics: This 9.9 g well-rounded, orangish-brown whole-stone has a rough, fusion-crusted exterior, and a cut surface reveals visible chondrules, metal-grains and troilite in a light-brown groundmass. Petrography: (D. Sheikh, FSU) Sample contains well-defined chondrules (Av. 600 μm) along with metal and troilite. Both unequilibrated and equilibrated clasts present. Geochemistry: Olivine in type 3 clasts (Fa17.4-26.1, n=10), Low-Ca Pyroxene in type 3 clasts (Fs15.4-25.6Wo1.0-1.8, n=8), Olivine in type 4 clasts (Fa19.1±0.9, n=12), Low-Ca Pyroxene in type 4 clasts (Fs16.8±0.8Wo1.4±0.3, n=10). Classification: Ordinary Chondrite (H3-4). The sample contains both unequilibrated (type 3) and equilibrated (type 4) clasts. Specimens: 2.2 grams at UCLA; main mass with Verish. | ||||||||||||||||||||||||||||||||
Data from: MB109 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 Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography:![]() |
Statistics: This is 1 of 158 approved meteorites from Nevada, United States (plus 4 unapproved names) This is 1 of 1894 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters) | ||||||||||||||||||||||||||||||||
Proximity search: |