Meteoritical Bulletin: Entry for Miller Range 07670

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Miller Range 07670

Basic information

Name: Miller Range 07670
This is an OFFICIAL meteorite name.
Abbreviation: MIL 07670
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 7.7 g

Classification
history:

Meteoritical Bulletin:	MB 96	(2009)	CM2
Recommended:			CM2 [explanation]

This is 1 of 544 approved meteorites classified as CM2. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites

Comments:

Field number: 18138
Approved 4 Mar 2009

Writeup

Writeup from AMN 32(1):

Sample Number	MIL 07670
Pairing
Newsletter	32,1
Location	Miller Range
Field Number	18138
Dimensions	2.5 x 2.0 x 1.5
Weight	7.650
Original Classification	CM2 Chondrite
Macroscopic Description - Kathleen McBride
Small patches of purplish fusion crust are visible on the exterior surface. The interior is a black powdery matrix with an oxidation rind. Small (mm sized) light colored chondrules are visible.
Thin Section (,4) Description - Tim McCoy and Linda Welzenbach
The section consists of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa_1-48, orthopyroxene is Fs₅. Aqueous alteration of the matrix is substantial, but the chondrules are only modestly altered. The meteorite is a CM2 chondrite.

Antarctic Meteorite Images for Sample MIL 07670

Data from:
  MB96
  Table 5
  Line 501:

Mass (g):	7.7
Class:	CM2
Weathering grade:	B

Catalogs:

Search for this meteorite in the NASA/JSC database (U.S.):

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° 20' 51"S, 156° 17' 13"E)

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

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