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Basic information Name: Coaldale
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2022
Country: United States
Mass:help 190 g
Recommended:  H4    [explanation]

This is 1 of 6459 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 16 Jan 2023
Writeup from MB 112:

Coaldale        38.008°N, 117.654°W

Nevada, United States

Find: 2022 Apr 23

Classification: Ordinary chondrite (H4)

History: Found by Sonny Clary on April 23, 2022, at a desert location south of McLeans and west of Coaldale, Nevada.

Physical characteristics: A single dark stone (190 g) lacking fusion crust.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Relatively small, well-formed equilibrated chondrules containing devitrified glass are set in a relatively coarse grained matrix containing altered kamacite, taenite and troilite, but no plagioclase.

Geochemistry: Olivine (Fa16.6±0.2, range Fa16.5-16.8, N = 4), low-Ca pyroxene (Fs14.8±0.3Wo0.6±0.3, range Fs14.5-15.1Wo0.4-0.9, N = 3), pigeonite (Fs13.7Wo6.3), augite (Fs8.2±3.5Wo42.2±0.3, range Fs5.7-10.6Wo42.4-42.0, N = 2).

Classification: Ordinary chondrite (H4).

Specimens: 36.5 g including one covered thin section and one polished slice at UWB; remainder with Mr. R. Clary.

Data from:
  Table 0
  Line 0:
Date:2022 Apr 23
Mass (g):190
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):16.6±0.2
Ferrosilite (mol%):14.8±0.3
Wollastonite (mol%):0.6±0.3
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):36.5
Type spec location:UWB
Main mass:R. Clary
Finder:R. Clary
Comments:Work name SC22-2; submitted by A. Irving
   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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Clary: Ralph "Sonny" Clary, Las Vegas, NV 89131 , United States; Website (private address; updated 3 Jan 2010)
References: Published in Meteoritical Bulletin, no. 112, in preparation (2023)
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United States
     Recommended::   (38° 0' 29"N, 117° 39' 14"W)

     This is 1 of 181 approved meteorites from Nevada, United States (plus 4 unapproved names)
     This is 1 of 1919 approved meteorites from United States (plus 867 unapproved names) (plus 28 impact craters)
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