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Miller Range 07292
Basic information Name: Miller Range 07292
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 07292
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 15.3 g
Antarctic Meteorite Newsletter:  AMN 33(2)  (2010)  CO3
Meteoritical Bulletin:  MB 99  (2011)  CO3
Recommended:  CO3    [explanation]

This is 1 of 651 approved meteorites (plus 2 unapproved names) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Field number: 19533
Approved 12 Sep 2010
Writeup from AMN 33(2):
Sample Number MIL 07292
Pairing MIL 07099; MIL 07193; MIL 07292; MIL 07293; MIL 07295; MIL 07298; MIL 07300; MIL 07302; MIL 07303; MIL 07304; MIL 07306; MIL 07311; MIL 07313; MIL 07336; MIL 07338; MIL 07341; MIL 07343; MIL 07346; MIL 07350; MIL 07356; MIL 07357; MIL 07384; MIL 07389; MIL 07407; MIL 07421; MIL 07505; MIL 07506; MIL 090073
Newsletter 33,2
Location Miller Range
Field Number 19533
Dimensions 2.5 x 3.0 x 2.0
Weight 15.33
Original Classification CO3 Chondrite
Macroscopic Description - Roger Harrington, Kathleen McBride, and Cecilia Satterwhite
All of these carbonaceous chondrites possess dull, black fusion crust with surface areas ranging from 10 to 100%. The matrices of these meteorites are fine grained and range in color from dark gray to brown to black. Inclusions are visible in most of them and vary in color from white to gray.
Thin Section (,2) Description - Cari Corrigan and Linda Welzenbach
These meteorites are so similar that a single description suffices. The sections consist of abundant small (up to 1 mm) chondrules, chondrule fragments and mineral grains in a dark matrix. Metal and sulfide occur within and rimming the chondrules. Glass within chondrules appears to be very clear/fresh. CAIs are abundant in many sections (mostly Type A), and range in size up to 1 mm, many containing blue hibonite grains. At least one compound CAI was found. AOAs up to 1 mm exist, as well. Olivine ranges in composition from Fa0-80. Pyroxene analyses range from Fs0-44 (most from Fs0-13). These meteorites are somewhat terrestrially altered CO3 chondrites (likely type 3.0-3.2) and are probably members of the MIL 07182 pairing group.
Antarctic Meteorite Images for Sample MIL 07292
Thin Section Photo of Sample MIL 07292 in Plane-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 07292 in Cross-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 07292 in Plane-Polarized Light with 2.5x Magnification  Thin Section Photo of Sample MIL 07292 in Cross-Polarized Light with 2.5x Magnification 
Data from:
  Table 0
  Line 0:
Mass (g):15.3
Weathering grade:A/B
Fayalite (mol%):17-41
Ferrosilite (mol%):0-2
Type spec mass (g):15.3
Type spec location:JSC
Main mass:JSC
   and collections
JSC: Mailcode XI, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 28 Jul 2022)
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)
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 33(2) (2010), JSC, Houston
Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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     Recommended::   (83° 23' 11"S, 155° 59' 24"E)

     This is 1 of 45039 approved meteorites from Antarctica (plus 3472 unapproved names)
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