Meteoritical Bulletin: Entry for Dominion Range 18291

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Dominion Range 18291

Basic information

Name: Dominion Range 18291
This is an OFFICIAL meteorite name.
Abbreviation: DOM 18291
Observed fall: No
Year found: 2018
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 15.9 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 237 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 18291

Newsletter

42,2

Location

Dominion Range

Field Number

25042

Dimensions

2.7 x 3.0 x 1.5

Weight

15.88

Original Classification

Eucrite (Brecciated)

Pairing

DOM 18291; DOM 18292

Mineral Composition (%Fa & %Fs)

Ferrosilite (mol%): 25-62

A

A/B

Macroscopic Description - Kellye Pando

Exterior has dark brown-gray fusion crust that is shiny on one side and rough on the other. Exposed interior is light gray with black and white flecks <0.25 mm. Fresh interior is light gray with small black (<0.25 mm) inclusions and slightly larger (up to 0.5 mm) white inclusions.

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 18291

Lab Photo of Sample DOM 18291 Displaying Top East Orientation

Lab Photo of Sample DOM 18291

Lab Photo of Sample DOM 18291 Displaying Top South Orientation

Lab Photo of Sample DOM 18291 Displaying Bottom South Orientation

Lab Photo of Sample DOM 18291 Displaying Top North Orientation

Lab Photo of Sample DOM 18291 Displaying Top West Orientation

Data from:
  MB108
  Table 0
  Line 0:

State/Prov/County:	Antarctica
Date:	2018
Latitude:	-85.6317
Longitude:	166.9300
Mass (g):	15.88
Pieces:	1
Class:	Eucrite-br
Weathering grade:	A
Ferrosilite (mol%):	25-60
Classifier:	SI
Type spec mass (g):	15.88
Type spec location:	JSC
Main mass:	JSC
Finder:	ANSMET
Comments:	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 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' 48"E)

Statistics:
This is 1 of 44547 approved meteorites from Antarctica (plus 3802 unapproved names)

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Revision
history:

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