Meteoritical Bulletin: Entry for Coaldale

header

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 18 Nov 2023
Search for:	Search type:	Search limits:	Display:	Publication:
Names Text Places Classes Years	Contains Starts with Exact Sounds like	NonAntarctic Falls Non-NWAs Has strewnfield		What's new in the last:
Include past classifications in search		Has photo	Limit to approved meteorite names
Search text:

Coaldale

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: 190 g

Classification
history:

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

help

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 (Fa_16.6±0.2, range Fa_16.5-16.8, N = 4), low-Ca pyroxene (Fs_14.8±0.3Wo_0.6±0.3, range Fs_14.5-15.1Wo_0.4-0.9, N = 3), pigeonite (Fs_13.7Wo_6.3), augite (Fs_8.2±3.5Wo_42.2±0.3, range Fs_5.7-10.6Wo_42.4-42.0, 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:
  MB112
  Table 0
  Line 0:

State/Prov/County:	Nevada
Date:	2022 Apr 23
Latitude:	38.008°N
Longitude:	117.654°W
Mass (g):	190
Pieces:	1
Class:	H4
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

Institutions
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)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 112, in preparation (2023)

Find references in NASA ADS:
Find references in Google Scholar:

Geography:

United States

United States

Coordinates:
Recommended::	(38° 0' 29"N, 117° 39' 14"W)

Statistics:
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)

Proximity search:

Direct link to this page