header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 15 Apr 2024
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:
 
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:
Meteoritical Bulletin:  MB 103  (2014)  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 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, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
Find references in Google Scholar:
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 269 approved meteorites from California, United States (plus 24 unapproved names)
     This is 1 of 1927 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)
Proximity search:
Find nearby meteorites: enter search radius (km):
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

Direct link to this page