Meteoritical Bulletin: Entry for Miller Range 15274

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Miller Range 15274

Basic information

Name: Miller Range 15274
This is an OFFICIAL meteorite name.
Abbreviation: MIL 15274
Observed fall: No
Year found: 2015
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 2.56 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 42(1)	(2019)	H-imp melt
Meteoritical Bulletin:	MB 108	(2020)	H-imp melt
Recommended:			H-imp melt [explanation]

This is 1 of 13 approved meteorites classified as H-imp melt. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 21 Feb 2019

Writeup

Writeup from AMN 42(1):

Sample Number

MIL 15274

Newsletter

42,1

Location

Miller Range

Field Number

24111

Dimensions

2.0 x 1.4 x 0.9

Weight

2.560

Original Classification

H Chondrite (Impact Melt)

Mineral Composition (%Fa & %Fs)

Fayalite (mol%): 19;Ferrosilite (mol%): 17

Weathering

B/C

Fracturing

A/B

Macroscopic Description - Cecilia Satterwhite

The exterior of this meteorite has 30% black/brown fusion crust, areas without fusion crust are weathered brown. The interior is a brown matrix with weathered inclusions/chondrules; metal and some patches of weathered gray matrix are visible.

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

This meteorite is an H chondrite impact melt with an exceptionally fine-grained silicate matrix, which contains a small number of silicate clasts and metal-sulfide particles typically 100 microns or less in size. Olivines are Fa₁₉ and pyroxenes are Fs₁₇.

Antarctic Meteorite Images for Sample MIL 15274

Thin Section Photo of Sample MIL 15274 in Reflected Light with 2.5X Magnification

Thin Section Photo of Sample MIL 15274 in Cross-Polarized Light with 2.5X Magnification

Lab Group Photo of Sample MIL 15274 Displaying North Orientation

Thin Section Photo of Sample MIL 15274 in Cross-Polarized Light with 5X Magnification

Thin Section Photo of Sample MIL 15274 in Plane-Polarized Light with 5X Magnification

Thin Section Photo of Sample MIL 15274 in Reflected Light with 5X Magnification

Thin Section Photo of Sample MIL 15274 in Plane-Polarized Light with 2.5X Magnification

Data from:
  MB108
  Table 0
  Line 0:

Date:	2015
Latitude:	-83.5363
Longitude:	157.138
Mass (g):	2.555
Pieces:	1
Class:	H-imp melt
Weathering grade:	B/C
Fayalite (mol%):	19
Ferrosilite (mol%):	17
Magnetic suscept.:	4.71
Classifier:	SI
Type spec mass (g):	2.555
Type spec location:	JSC
Main mass:	JSC
Finder:	ANSMET
Comments:	Field no: 24111; 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(1) (2019), JSC, Houston
Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

Find references in NASA ADS:
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Geography:

Antarctica

Coordinates:
Recommended::	(83° 32' 11"S, 157° 8' 17"E)

Statistics:
This is 1 of 45260 approved meteorites from Antarctica (plus 3472 unapproved names)

Proximity search:

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