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Miller Range 090489
Basic information Name: Miller Range 090489
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 090489
Observed fall: No
Year found: 2009
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 34(1)  (2011)  CM1-2
Meteoritical Bulletin:  MB 101  (2012)  CM1/2
Recommended:  CM1/2    [explanation]

This is 1 of 25 approved meteorites classified as CM1/2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 1), CM chondrites, and CM-CO clan chondrites
Comments: Field number: 20079
Approved 14 Feb 2011
Writeuphelp
Writeup from AMN 34(1):
Sample Number MIL 090489
Newsletter 34,1
Location Miller Range
Field Number 20079
Dimensions 1.25 x 1.0 x 0.75
Weight 1.027
Original Classification CM1-2 Chondrite
Mineral Composition (%Fa &  %Fs)
Fayalite (mol%): 0-30
Weathering
C
Fracturing
B
Macroscopic Description - Kathleen McBride
30% of the exterior surface is covered with brown/black fusion crust with polygonal fractures. The interior is a black matrix, fairly hard with metal and tiny light colored and rusty inclusions/chondrules.
Thin Section (,2) Description - Cari Corrigan and Linda Welzenbach
This section consists of a few chondrules, most of which are highly altered, and matrix with rare unaltered mafic silicates. One CAI was found in the section. Olivine analyses are Fa0-30. No unaltered pyroxenes were found. The meteorite is a CM1-2 meteorite.
Antarctic Meteorite Images for Sample MIL 090489
Thin Section Photo of Sample MIL 090489 at 1.25X Magnification in Plane-Polarized Light  Thin Section Photo of Sample MIL 090489 at 2.5X Magnification in Plane-Polarized Light  Thin Section Photo of Sample MIL 090489 at 1.25X Magnification in Reflected Light  Thin Section Photo of Sample MIL 090489 at 2.5X Magnification in Reflected Light 
Thin Section Photo of Sample MIL 090489 at 1.25X Magnification in Cross-Polarized Light  Thin Section Photo of Sample MIL 090489 at 2.5X Magnification in Cross-Polarized Light  Lab Photo of Sample MIL 090489 Displaying North View 
Data from:
  MB99
  Table 0
  Line 0:
Date:2009
Mass (g):1.0
Pieces:1
Class:CM1-2
Weathering grade:C
Fayalite (mol%):0-30
Classifier:SI
Type spec mass (g):1.0
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 34(1) (2011), JSC, Houston
Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 25' 15"S, 156° 1' 41"E)

Statistics:
     This is 1 of 38940 approved meteorites from Antarctica (plus 5051 unapproved names)
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