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Big Horn Mountains
Basic information Name: Big Horn Mountains
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2006
Country: United States
Mass:help 91.9 g
Classification
  history:
Meteoritical Bulletin:  MB 97  (2010)  H4
Recommended:  H4    [explanation]

This is 1 of 6493 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 3 Nov 2009
Data from:
  MB97
  Table 2
  Line 1:
State/Prov/County:Maricopa County, Arizona, USA
Date:March 01, 2006
Latitude:33°42.800'N
Longitude:113°16.500'W
Mass (g):91.9
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W2/W4
Fayalite (mol%):18.5 ± 0.3
Ferrosilite (mol%):16.3 ± 0.4
Wollastonite (mol%):1.4 ± 0.3
Classifier:Hutson, Cascadia
Type spec mass (g):23.3
Type spec location:Cascadia
Main mass:Sloan
Comments:Bimodal weathering
Institutions
   and collections		 Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 97, MAPS 45, 449-493 (2010)
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Geography:

United States
Coordinates:
     Recommended::   (33° 42' 48"N, 113° 16' 30"W)

Statistics:
     This is 1 of 179 approved meteorites from Arizona, United States (plus 1 impact crater)
     This is 1 of 1927 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)
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