Meteoritical Bulletin: Entry for Dominion Range 18292

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Dominion Range 18292

Basic information

Name: Dominion Range 18292
This is an OFFICIAL meteorite name.
Abbreviation: DOM 18292
Observed fall: No
Year found: 2018
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 10.7 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 42(2)	(2019)	Eucrite-br
Meteoritical Bulletin:	MB 108	(2020)	Eucrite-br
Recommended:			Eucrite-br [explanation]

This is 1 of 187 approved meteorites classified as Eucrite-br. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 14 Aug 2019

Writeup

help

Writeup from AMN 42(2):

Sample Number

DOM 18292

Newsletter

42,2

Location

Dominion Range

Field Number

25050

Dimensions

2.2 x 2.4 x 1.2

Weight

10.66

Original Classification

Eucrite (Brecciated)

Pairing

DOM 18291; DOM 18292

Mineral Composition (%Fa & %Fs)

Ferrosilite (mol%): 25-62

A

A

Macroscopic Description - Kellye Pando

Exterior has patches of dark brown-gray fusion crust that is shiny in some areas and rough in others and has flow lines. Exposed interior is light gray with black and white flecks <0.25 mm. Fresh interior is similar to the exposed areas but the flecks are shades of gray rather than black and white.

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

These two brecciated sections consist of fine to medium grained ophitic basalts with apparent shock darkening as veins and patches. Modest iron oxide staining exists in both sections. One 6 mm (max dimension) clast in DOM 18291 exhibits a fine grained, granular texture. Pyroxenes are Fs_26-60Wo_2-44 and feldspars are An_82-86Or₁. These two meteorites are similar enough to consider pairing and are eucrites.

Antarctic Meteorite Images for Sample DOM 18292

Thin Section Photo of Sample DOM 18292 in Cross-Polarized Light with 1.25X Magnification

Thin Section Photo of Sample DOM 18292 in Plane-Polarized Light with 1.25X Magnification

Lab Photo of Sample DOM 18292 Displaying Bottom South Orientation

Lab Photo of Sample DOM 18292 Displaying Top East Orientation

Lab Photo of Sample DOM 18292 Displaying Top West Orientation

Lab Photo of Sample DOM 18292

Lab Photo of Sample DOM 18292 Displaying Top North Orientation

Lab Photo of Sample DOM 18292 Displaying Top South Orientation

Data from:
  MB108
  Table 0
  Line 0:

State/Prov/County:	Antarctica
Date:	2018
Latitude:	-85.6316
Longitude:	166.9330
Mass (g):	10.66
Pieces:	1
Class:	Eucrite-br
Weathering grade:	A
Ferrosilite (mol%):	25-62
Classifier:	SI
Type spec mass (g):	10.66
Type spec location:	JSC
Main mass:	JSC
Finder:	ANSMET
Comments:	Submitted by AMN

Institutions
and collections

JSC: Mailcode KT, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 3 Sep 2013)
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 42(2) (2019), JSC, Houston
Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(85° 37' 54"S, 166° 55' 59"E)

Statistics:
This is 1 of 251 approved meteorites from Antarctica, Antarctica
This is 1 of 40759 approved meteorites from Antarctica (plus 4494 unapproved names)

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