Meteoritical Bulletin: Entry for Miller Range 07663

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Miller Range 07663

Basic information

Name: Miller Range 07663
This is an OFFICIAL meteorite name.
Abbreviation: MIL 07663
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 9.9 g

Classification
history:

Meteoritical Bulletin:	MB 96	(2009)	Howardite
Recommended:			Howardite [explanation]

This is 1 of 451 approved meteorites classified as Howardite. [show all]
Search for other: Achondrites, HED achondrites, and Howardites

Comments:

Field number: 18737
Approved 4 Mar 2009

Writeup

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Writeup from AMN 32(1):

Sample Number	MIL 07663
Pairing
Newsletter	32,1
Location	Miller Range
Field Number	18737
Dimensions	2.5 x 2.0 x 1.5
Weight	9.920
Original Classification	Howardite
Macroscopic Description - Kathleen McBride
Brown/black fusion crust with shiny patches covers 95% of this meteoriteÂ’s exterior surface. The interior is a gray to tan matrix with white and dark gray inclusions and tan clasts.
Thin Section (,4) Description - Tim McCoy and Linda Welzenbach
The section shows a groundmass of comminuted pyroxene and plagioclase (up to 0.5 mm). A single diogenitic clast reaches 5 mm and dominates most of the section examined. A mm-sized carbonaceous chondrite clast is also present. Most of the pyroxene is orthopyroxene with compositions ranging from Fs_22-53Wo_1-4 (most Fs_20-30), a single pigeonite of Fs₄₁Wo₆ and an olivine of Fa_1-36 (with the Fa₁ in the carbonaceous clast). The meteorite is a howardite.

Antarctic Meteorite Images for Sample MIL 07663

Data from:
  MB96
  Table 5
  Line 496:

Mass (g):	9.9
Class:	Howardite
Weathering grade:	A

Catalogs:

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References:

Published in Antarctic Meteorite Newsletter 32(1) (2009), JSC, Houston
Published in Meteoritical Bulletin, no. 96, MAPS 44, 1355-1397 (2009)

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Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(83° 22' 4"S, 156° 11' 49"E)

Statistics:
This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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