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Blackhawk Mountain
Basic information Name: Blackhawk Mountain
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2012
Country: United States
Mass:help 20.2 g
Classification
  history:
Recommended:  H4    [explanation]

This is 1 of 5357 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 10 Apr 2014
Writeuphelp
Writeup from MB 103:

Blackhawk Mountain        34°24’53.47"N, 116°47’18.91"W

California, USA

Found: 20 Oct 2012

Classification: Ordinary chondrite (H4)

History: Michael Mulgrew found one 20.16 g stone while searching for meterorites with Roy Miller, Robby Hoover, and Tom Poole on the Blackhawk landslide in Lucerne Valley, California. The single meteorite was an oriented, shaped like an elongated dome, with dark black primary fusion crust on the leading edge and a roll-over lip and secondary fusion crust on the trailing edge.

Data from:
  MB103
  Table 0
  Line 0:
State/Prov/County:California
Origin or pseudonym:landslide
Date:20 Oct 2012
Latitude:34°24'53.47"N
Longitude:116°47'18.91"W
Mass (g):20.16
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W0
Fayalite (mol%):20.9±0.3 (n=10)
Ferrosilite (mol%):17.9
Wollastonite (mol%):1.6±0.3 (n=10)
Classifier:A. Rubin, UCLA
Type spec mass (g):6.04
Type spec location:UCLA
Main mass:Finder
Finder:Michael Mulgrew
Comments:Submitted by M. Mulgrew
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, in preparation (2014)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Michael Mulgrew                                 
Geography:

United States
Coordinates:
     Recommended::   (34° 24' 53"N, 116° 47' 19"W)

Statistics:
     This is 1 of 253 approved meteorites from California, United States (plus 24 unapproved names)
     This is 1 of 1787 approved meteorites from United States (plus 352 unapproved names) (plus 28 impact craters)
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