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Timber Lake | |||||||||||||||||||||||||||||||||||||
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Basic information | Name: Timber Lake This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2011 Country: United States Mass: 8.66 kg | ||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 709 approved meteorites (plus 2 unapproved names) classified as H3. [show all] Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||||||||
Comments: | Approved 6 Mar 2013 | ||||||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Timber Lake 45.425°N, 101.097°W South Dakota, USA Found: 2011 May Classification: Ordinary chondrite (H3) History: Found by Mr. Richard Scherer in 2010 while he was checking part of a farm field that appeared to have been dug out by a badger. The find location is about 1.85 km west of Timber Lake in Dewey County, South Dakota. Physical characteristics: A single, dense, dark brown stone weighing 8660 g. Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, small chondrules and fairly abundant altered metal. Minerals are olivine, orthopyroxene, clinopyroxene, sodic plagioclase, chromite, troilite and kamacite (partially altered to iron hydroxides). Geochemistry: Olivine (Fa14.6-44.2; median Fa18, N = 12; Cr2O3 in ferroan olivine = 0.02-0.12 wt.%, mean 0.05 wt.%, sd 0.04 wt.%, N = 8), orthopyroxene (Fs16.1-18.2Wo1.11.7; core Fs6.9Wo4.6), augite (Fs6.0Wo45.6), pigeonite (Fs45.3Wo9.5). Classification: Ordinary chondrite (H3). Specimens: A total of 20.9 g of sample and one polished thin section are on deposit at UWB. The main mass is held by RScherer. | ||||||||||||||||||||||||||||||||||||
Data from: MB102 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) RScherer: R. Scherer, P.O. Box 92, Timber Lake, SD 57656, United States (private address; updated 6 Mar 2013) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography: |
Statistics: This is 1 of 19 approved meteorites from South Dakota, United States This is 1 of 1925 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters) | ||||||||||||||||||||||||||||||||||||
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Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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