Meteoritical Bulletin: Entry for Miller Range 13226

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Miller Range 13226

Basic information

Name: Miller Range 13226
This is an OFFICIAL meteorite name.
Abbreviation: MIL 13226
Observed fall: No
Year found: 2013
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 0.7 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 40(1)	(2017)	EH3
Meteoritical Bulletin:	MB 106	(2018)	EH3
Recommended:			EH3 [explanation]

This is 1 of 138 approved meteorites classified as EH3. [show all]
Search for other: EH chondrites, Enstatite chondrites, Enstatite chondrites (type 3), and Enstatite-rich meteorites

Comments:

Field number: 24319
Approved 25 Feb 2017

Writeup

Writeup from AMN 40(1):

Sample Number

MIL 13226

Newsletter

40,1

Location

Miller Range

Field Number

24319

Dimensions

0.8 x 0.7 x 0.6

Weight

0.66

Original Classification

EH3 Chondrite

Mineral Composition (%Fa & %Fs)

Ferrosilite (mol%): 0-1

Weathering

A/B

Fracturing

A/B

Macroscopic Description - Cecilia Satterwhite, Tim McCoy

98% of the exterior has brown fractured fusion crust with oxidation. The meteorite exhibits a black interior.

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

The section shows an aggregate of chondrules (up to 1 mm), chondrule fragments, and pyroxene grains in a matrix of about 30% metal and sulfide. Weathering is severe. Microprobe analyses show the pyroxene is Fs_0-1 and that the Fe,Ni metal contains 2.5 wt. % Si. The meteorite is an EH3 chondrite.

Antarctic Meteorite Images for Sample MIL 13226

Lab Group Photo of Sample MIL 13226 Displaying North Orientation

Thin Section Photo of Sample MIL 13226 in Plane-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample MIL 13226 in Reflected Light with 2.5X Magnification

Thin Section Photo of Sample MIL 13226 in Cross-Polarized Light with 2.5X Magnification

Thin Section Photo of Sample MIL 13226 in Plane-Polarized Light with 5X Magnification

Thin Section Photo of Sample MIL 13226 in Reflected Light with 5X Magnification

Thin Section Photo of Sample MIL 13226 in Cross-Polarized Light with 5X Magnification

Data from:
  MB106
  Table 0
  Line 0:

Date:	2013
Mass (g):	0.7
Pieces:	1
Class:	EH3
Weathering grade:	A/B
Ferrosilite (mol%):	0-1
Classifier:	SI
Type spec mass (g):	0.7
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 40(1) (2017), JSC, Houston
Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.

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Geography:

Antarctica

Coordinates:
Recommended::	(83° 31' 47"S, 157° 5' 46"E)

Statistics:
This is 1 of 40744 approved meteorites from Antarctica (plus 4494 unapproved names)

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