Meteoritical Bulletin: Entry for Miller Range 15293

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Miller Range 15293

Basic information

Name: Miller Range 15293
This is an OFFICIAL meteorite name.
Abbreviation: MIL 15293
Observed fall: No
Year found: 2015
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 3.81 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 42(1)	(2019)	Chondrite-ung
Meteoritical Bulletin:	MB 108	(2020)	Chondrite-ung
Recommended:			H5-an [explanation]

This is 1 of 5 approved meteorites classified as H5-an. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 21 Feb 2019
Revised 13 Mar 2021: Reclassified in AMN 44(1)

Writeup

help

Writeup from AMN 42(1):

Sample Number

MIL 15293

Newsletter

42,1

Location

Miller Range

Field Number

24083

Dimensions

1.9 x 1.4 x 1.0

Weight

3.810

Original Classification

Chondrite Ungrouped

Mineral Composition (%Fa & %Fs)

Fayalite (mol%): 14;Ferrosilite (mol%): 12

B/C

A

Macroscopic Description - Cecilia Satterwhite

The majority of the exterior is weathered brown with patches of black/brown fusion crust. The interior is brown with heavy oxidation and some darker matrix, metal is visible.

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

The section exhibits a few poorly defined chondrules (up to 1.5 mm) in a black, shock-darkened matrix of fine-grained silicates, and coarse metal and troilite. Metal and sulfide exhibit fizz texture. The meteorite is moderately weathered. Olivine is Fa₁₄, pyroxene is Fs₁₂. The meteorite is a low FeO chondrite of type 5 (Russell et al. MAPS 1998). The meteorite is similar in mineral compositions to Willaroy and Suwahib (Buwah).

Antarctic Meteorite Images for Sample MIL 15293

Thin Section Photo of Sample MIL 15293 in Plane-Polarized Light with 5X Magnification

Thin Section Photo of Sample MIL 15293 in Reflected Light with 5X Magnification

Thin Section Photo of Sample MIL 15293 in Plane-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample MIL 15293 in Cross-Polarized Light with 2.5X Magnification

Lab Group Photo of Sample MIL 15293 Displaying North Orientation

Thin Section Photo of Sample MIL 15293 in Cross-Polarized Light with 5X Magnification

Thin Section Photo of Sample MIL 15293 in Reflected Light with 2.5X Magnification

Data from:
  MB108
  Table 0
  Line 0:

Date:	2015
Latitude:	-83.5598
Longitude:	156.884
Mass (g):	3.809
Pieces:	1
Class:	Chondrite-ung
Weathering grade:	B/C
Fayalite (mol%):	14
Ferrosilite (mol%):	12
Magnetic suscept.:	5.14
Classifier:	SI
Type spec mass (g):	3.809
Type spec location:	JSC
Main mass:	JSC
Finder:	ANSMET
Comments:	Field no: 24083; 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

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Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(83° 33' 35"S, 156° 53' 2"E)

Statistics:
This is 1 of 44248 approved meteorites from Antarctica (plus 3802 unapproved names)

Proximity search:

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