Meteoritical Bulletin: Entry for Dominion Range 19340

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Dominion Range 19340

Basic information

Name: Dominion Range 19340
This is an OFFICIAL meteorite name.
Abbreviation: DOM 19340
Observed fall: No
Year found: 2019
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 13.8 g

Classification
history:

Recommended:

L-melt breccia [explanation]

This is 1 of 31 approved meteorites classified as L-melt breccia. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

JSC Description
Approved 14 Sep 2021

Writeup

help

Writeup from AMN 44(2):

Sample Number

DOM 19340

Newsletter

44,2

Location

Dominion Range

Field Number

24240

Dimensions (cm)

2.3 x 2.0 x 1.5

Weight (g)

13.84

Original Classification

L Melt Breccia

Mineral Composition (%Fa & %Fs)

Fayalite (mol%): 0-53;Ferrosilite (mol%): 10-35

B

A

Macroscopic Description - Cecilia Satterwhite

The exterior of this meteorite has some black/brown fusion crust with some rusty oxidation and abundant pits. Interior is a gray matrix with some small inclusions/chondrules of a lighter color and some areas have abundant rust.

Thin Section Description (,,2) - Cari Corrigan, Tim McCoy

This meteorite consists of individual unmelted mineral grains, fragments and clasts in a matrix of microcrystalline olivine grains, with metal-sulfide blebs, possibly including multiple sulfide phases, throughout. A few relict chondrules/chondrule fragments are present that show signs of micro-melting of their opaque components. Olivine ranges from Fa_0-53, and pyroxenes are Fs_10-35. Given the heterogeneity, this preliminary assignment should be followed up with more detailed work involving additional thin sections.

Antarctic Meteorite Images for Sample DOM 19340

Field Photo(s) :

ANSMET DOM 19340 - Field Number: 24240, NASA Photo Number: jsc2021e017825

Field photo image(s) courtesy of the ANSMET (ANtarctic Search for METeorites) Program, Case Western Reserve University and the University of Utah

Antarctic Meteorite Images for Sample DOM 19340

Lab Photo(s) :

Lab Photo of Sample DOM 19340

Lab Photo of Sample DOM 19340

Lab Photo of Sample DOM 19340

Lab Photo of Sample DOM 19340

Antarctic Meteorite Images for Sample DOM 19340

Thin Section Photo(s) :

Thin Section Photo of Sample DOM 19340 in Cross-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample DOM 19340 in Plane-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample DOM 19340 in Reflected Light with 2.5X Magnification

Data from:
  MB110
  Table 0
  Line 0:

State/Prov/County:	Antarctica
Date:	2019
Latitude:	-85.6560
Longitude:	167.239
Mass (g):	13.84
Pieces:	1
Class:	L-melt breccia
Weathering grade:	B
Fayalite (mol%):	0-53
Ferrosilite (mol%):	10-35
Magnetic suscept.:	4.19
Classifier:	SI
Type spec mass (g):	13.84
Type spec location:	JSC
Main mass:	JSC
Finder:	ANSMET
Comments:	EMPA; submitted by AMN

Institutions
and collections

JSC: Mailcode XI, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 28 Jul 2022)
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)

Catalogs:

Search for this meteorite in the NASA/JSC database (U.S.):

References:

Published in Antarctic Meteorite Newsletter 44(2) (2021), JSC, Houston
Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(85° 39' 22"S, 167° 14' 20"E)

Statistics:
This is 1 of 43840 approved meteorites from Antarctica (plus 3802 unapproved names)

Proximity search:

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