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Miller Range 11237
Basic information Name: Miller Range 11237
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 11237
Observed fall: No
Year found: 2011
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 12.9 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 37(2)  (2014)  CO3
Meteoritical Bulletin:  MB 103  (2014)  CO3
Recommended:  CO3    [explanation]

This is 1 of 654 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: 22566
Approved 8 Sep 2014
Writeuphelp
Writeup from AMN 37(2):
Sample Number MIL 11237
Newsletter 37,2
Location Miller Range
Field Number 22566
Dimensions 2.5 x 1.8 x 1.5
Weight 12.87
Original Classification CO3 Chondrite
Pairing MIL 11069, MIL 11154, MIL 11157, MIL 11237, and MIL 11252
Mineral Composition (%Fa &  %Fs)
Fayalite (mol%): 0-62
Weathering
B
Fracturing
A
Macroscopic Description - Mitchell Haller, Kathleen McBride, Cecilia Satterwhite
The exteriors of these carbonaceous chondrites have black/brown fusion crust with oxidation haloes and rusty areas. The interiors range from dark gray to black matrix with some oxidation and tiny white specks. Most are fine grained.
Thin Section Description (,2) - Cari Corrigan, Linda Welzenbach, Pamela Salyer
These sections consist of abundant, small (up to 1 mm) chondrules, chondrule fragments, and mineral grains in a dark matrix. The matrix appears to consist largely of Fe-rich olivine. Metals and sulfides occur both within and rimming the chondrules. These meteorites have distinctly less metals and sulfides than the larger CO3 pairing group (MIL 07099). Olivine ranges in composition from Fa0-61, with a continuous range of intermediate compositions. Pyroxenes range Fs0-9Wo1-3. These meteorites are CO3 chondrites and are likely paired.
Antarctic Meteorite Images for Sample MIL 11237
Thin Section Photo of Sample MIL 11237 in Plane-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 11237 in Reflected Light with 1.25x Magnification  Thin Section Photo of Sample MIL 11237 in Cross-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 11237 in Plane-Polarized Light with 2.5x Magnification 
Thin Section Photo of Sample MIL 11237 in Reflected Light with 2.5x Magnification  Thin Section Photo of Sample MIL 11237 in Cross-Polarized Light with 2.5x Magnification  Lab Group Photo of Sample MIL 11237 Displaying North Orientation  Lab Photo of Sample MIL 11237 Splits 
Data from:
  MB103
  Table 0
  Line 0:
Date:2011
Mass (g):12.9
Pieces:1
Class:CO3
Weathering grade:B
Fayalite (mol%):0-62
Classifier:SI
Type spec mass (g):12.9
Type spec location:JSC
Main mass:JSC
Finder:ANSMET
Comments:Submitted by AMN
Institutions
   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)
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 37(2) (2014), JSC, Houston
Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 24' 59"S, 157° 15' 40"E)

Statistics:
     This is 1 of 45260 approved meteorites from Antarctica (plus 3472 unapproved names)
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