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Black Rock 003
Basic information Name: Black Rock 003
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2003
Country: United States
Mass:help 25.1 g
Meteoritical Bulletin:  MB 108  (2020)  H3
Recommended:  H3    [explanation]

This is 1 of 710 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 12 Apr 2019
Writeup from MB 108:

Black Rock 003        40°58.266’N, 119°02.134’W

Nevada, United States

Find: 2003 Oct 25

Classification: Ordinary chondrite (H3)

History: This stone was recovered by Robert Verish along the eroded margin of a dry lake.

Physical characteristics: This 25.1 g chondritic stone is a dark-brown, weathered fragment with only one side that is a relict-exterior surface, and is lacking fusion-crust.

Petrography: (Daniel Sheikh, FSU) Composed of small to medium-sized chondrules (average ~0.35 mm) in a fine-grained matrix.

Geochemistry: Olivine, Fa 18.55±5.3 (Fa11.36-26.16, N=25); orthopyroxene, Fs12.75±3.8Wo1.75±0.3 (Fs7.24-17.81Wo1.23-2.62, N=25).

Classification: Ordinary Chondrite (H3.8) Estimated subtype H3.8 due to Fa s.d.=5.3 and Fs s.d.=3.8 from Huss et al. (2004).

Specimens: 7.82 grams at UCLA; main mass with Verish.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:dry lake
Date:2003 Oct 25
Mass (g):25.1
Shock stage:S4
Weathering grade:W3
Fayalite (mol%):18.55±5.3 (11.36-26.16, N=25)
Ferrosilite (mol%):12.75±3.8 (7.24-17.81, N=25)
Wollastonite (mol%):1.75±0.3 (1.23-2.62, N=25)
Classifier:D. Sheikh, FSU
Type spec mass (g):7.82
Type spec location:UCLA
Main mass:Verish
Finder:Robert Verish
Comments:Fieldname = UU031025B; lab ID# = V-BR-3; submitted by Daniel Sheikh
   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)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Verish: Robert Verish, Meteorite-Recovery Lab, P.O. Box 463084, Escondido, CA 92046, United States; Website (private address; updated 27 May 2009)
References: Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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United States
     Recommended::   (40° 58' 16"N, 119° 2' 8"W)

     This is 1 of 184 approved meteorites from Nevada, United States (plus 4 unapproved names)
     This is 1 of 1927 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)
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