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| Basic information | Name: Mangum This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2008 Country: United States Mass:  750 g | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 6459 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 13 Mar 2012 | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 100:
Mangum 34.849°N, 99.704°W Greer County, Oklahoma, USA Found: 2008 Classification: Ordinary chondrite (H4) History: Found by Mr. Ray Chambless in 2008 while he was mowing his yard, but only recognized as a possible meteorite in 2011 September, after he viewed a television show on meteorites. The find location was about 11.5 miles ESE of Mangum in Greer County, Oklahoma. Physical characteristics: A single, large brownish stone weighing 750 g and partially covered with weathered fusion crust. Petrography: (A. Irving and S. Kuehner, UWS) The specimen consists of small, well-formed chondrules in a finer grained matrix rich in stained metal. Primary minerals are olivine, low- and high-Ca pyroxene, sodic plagioclase, chromite, troilite and kamacite (partially altered to iron hydroxides). Geochemistry: Olivine Fa18.2, orthopyroxene Fs16.0-16.1Wo0.9-1.0, clinopyroxene Fs5.8-5.9Wo47.5-43.0. Classification: Ordinary chondrite (H4) Specimens: 23.9 g and one polished thin section are on deposit at UWS. The main mass is held by Mr. R. Chambless of Mangum, OK. | ||||||||||||||||||||||||||||||||||||
| Data from: MB100 Table 1 Line 569: |
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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) |
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| References: | Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography:
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Statistics: This is 1 of 42 approved meteorites from Oklahoma, United States (plus 2 unapproved names) (plus 1 impact crater) This is 1 of 1919 approved meteorites from United States (plus 867 unapproved names) (plus 28 impact craters) | ||||||||||||||||||||||||||||||||||||
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