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Miller Range 07702
Basic information Name: Miller Range 07702
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 07702
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 7.4 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 33(1)  (2010)  CM2
Meteoritical Bulletin:  MB 98  (2010)  CM2
Recommended:  CM2    [explanation]

This is 1 of 533 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: 17565
Approved 11 Feb 2010
Writeuphelp
Writeup from AMN 33(1):
Sample Number MIL 07702
Pairing MIL 07672; MIL 07702
Newsletter 33,1
Location Miller Range
Field Number 17565
Dimensions 3.0 x 1.5 x 1.2
Weight 7.376
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 07702
MIL07702,0.jpg  MIL07702_2.5pplCM.jpg  MIL07702_2.5REFCM.jpg  MIL07702_2.5XNCM.jpg 
Data from:
  MB98
  Table 2
  Line 537:
Mass (g):7.4
Class:CM2
Weathering grade:B
Fayalite (mol%):0-19
Ferrosilite (mol%):
Classifier:SI
Type spec location:JSC, SI
Main mass:JSC
Comments:Fracturing A
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° 17' 35"S, 155° 31' 5"E)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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