Meteoritical Bulletin: Entry for Miller Range 07273

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Miller Range 07273

Basic information

Name: Miller Range 07273
This is an OFFICIAL meteorite name.
Abbreviation: MIL 07273
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 33.9 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 33(1)	(2010)	H5-an
Meteoritical Bulletin:	MB 98	(2010)	H5-anomalous
Recommended:			H5-an [explanation]

This is 1 of 2 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:

Field number: 19762
Approved 11 Feb 2010

Writeup

Writeup from AMN 33(1):

Sample Number	MIL 07273
Pairing
Newsletter	33,1
Location	Miller Range
Field Number	19762
Dimensions	2.1 x 2.1 x 2.0
Weight	33.883
Original Classification	H5 Chondrite (Anomalous)
Macroscopic Description - Cecilia Satterwhite
The exterior is covered by black fusion crust with rusty oxidized areas. Most of the interior is a rusty brown especially along fractures. Some dark gray areas are visible with metal and small light gray inclusions.
Thin Section (,2) Description - Cari Corrigan, Tim McCoy and Linda Welzenbach
This meteorite is a moderately metamorphosed, shock blackened chondrite whose mafic silicate compositions are more magnesian (Fa₁₆, Fs₁₄) than typically seen in H chondrites. It is similar to several chondrites described as low-FeO chondrites by Russell et al. (1998, MAPS, 853-856) and is petrologic type 5.

Antarctic Meteorite Images for Sample MIL 07273

Data from:
  MB98
  Table 2
  Line 428:

Mass (g):	33.9
Class:	H5-anomalous
Weathering grade:	B/C
Fayalite (mol%):	16
Ferrosilite (mol%):	14
Classifier:	SI
Type spec location:	JSC, SI
Main mass:	JSC
Comments:	Fracturing A/B

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 33(1) (2010), JSC, Houston
Published in Meteoritical Bulletin, no. 98, MAPS 45, 1530-1551 (2010)

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Geography:

Antarctica

Coordinates:
Recommended::	(83° 24' 15"S, 155° 58' 44"E)

Statistics:
This is 1 of 40719 approved meteorites from Antarctica (plus 4494 unapproved names)

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