Meteoritical Bulletin: Entry for Miller Range 07664

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Miller Range 07664

Basic information

Name: Miller Range 07664
This is an OFFICIAL meteorite name.
Abbreviation: MIL 07664
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 30.6 g

Classification
history:

Meteoritical Bulletin:	MB 96	(2009)	Howardite
Antarctic Meteorite Newsletter:	AMN 47(1)	(2024)	Eucrite-br
Recommended:			Eucrite-br [explanation]

This is 1 of 237 approved meteorites classified as Eucrite-br. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Field number: 18765
Approved 4 Mar 2009
Revised 26 Mar 2024: Reclassified in AMN 47(1)

Writeup

Writeup from AMN 32(1):

Sample Number	MIL 07664
Pairing
Newsletter	32,1
Location	Miller Range
Field Number	18765
Dimensions	3.0 x 2.5 x 2.0
Weight	30.560
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) with fine- to coarse-grained basaltic clasts ranging up to 2 mm. Several clasts are aphanitic or exhibit acicular pyroxenes suggestive of an origin as impact melts. Pyroxene includes diogenite-like compositions (Fs₂₀Wo₂) and eucrite-like compositions (Fs_21-64Wo_1-40). Plagioclase is An_85-92. The meteorite is a howardite.

Antarctic Meteorite Images for Sample MIL 07664

Data from:
  MB96
  Table 5
  Line 497:

Mass (g):	30.6
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

Coordinates:
Recommended::	(83° 21' 49"S, 156° 13' 26"E)

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

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