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Miller Range 07672
Basic information Name: Miller Range 07672
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 07672
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1.8 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 33(1)  (2010)  CM2
Meteoritical Bulletin:  MB 98  (2010)  CM2
Recommended:  CM2    [explanation]

This is 1 of 541 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: 19237
Approved 11 Feb 2010
Writeuphelp
Writeup from AMN 33(1):
Sample Number MIL 07672
Pairing MIL 07672; MIL 07702
Newsletter 33,1
Location Miller Range
Field Number 19237
Dimensions 1.5 x 1.25 x 0.75
Weight 1.760
Original Classification CM2 Chondrites
Macroscopic Description - Roger Harrington and Kathleen McBride
The exterior of 07672 has black fusion crust with polygonal fractures and evaporites. Both CM2’s have a black fine grained matrix.
Thin Section (,2) Description - Cari Corrigan, Tim McCoy, Linda Welzenbach and Karen Stockstill
The sections are so similar that a single description suffices. The sections consist of moderately abundant small chondrules (up to 0.5 mm), mineral grains, and CAIs set in a black matrix; rare metal, sulfide and carbonate grains are present. Chondrules are moderately to heavily altered. Olivine compositions are Fa0-19. Aqueous alteration of the matrix is substantial, but the chondrules are only modestly altered. The meteorites are CM2 chondrites.
Antarctic Meteorite Images for Sample MIL 07672
mil07672,0,1i.jpg  MIL07672_5PPL.jpg  MIL07672_5XN.jpg  MIL07672_5XN_b.jpg 
MIL07672_5XN_c.jpg 
Data from:
  MB98
  Table 2
  Line 518:
Mass (g):1.8
Class:CM2
Weathering grade:Be
Fayalite (mol%):0-8
Ferrosilite (mol%):
Classifier:SI
Type spec location:JSC, SI
Main mass:JSC
Comments:Fracturing C
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° 23' 35"S, 156° 5' 56"E)

Statistics:
     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)
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