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Miller Range 13285
Basic information Name: Miller Range 13285
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 13285
Observed fall: No
Year found: 2013
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 39(1)  (2016)  EH3
Meteoritical Bulletin:  MB 105  (2016)  EH3
Recommended:  EH3    [explanation]

This is 1 of 137 approved meteorites classified as EH3.   [show all]
Search for other: EH chondrites, Enstatite chondrites, Enstatite chondrites (type 3), and Enstatite-rich meteorites
Comments: Field number: 21729
Approved 27 Feb 2016
Writeuphelp
Writeup from AMN 39(1):
Sample Number MIL 13285
Newsletter 39,1
Location Miller Range
Field Number 21729
Dimensions 1.2 x 1.0 x 0.4
Weight 1.00
Original Classification EH3 Chondrite
Mineral Composition (%Fa &  %Fs)
Ferrosilite (mol%): 0-3
Weathering
B/C
Fracturing
B
Macroscopic Description - Cecilia Satterwhite
This meteorite has 80% brown/black fusion crust on the exterior with heavily rusted areas. The interior is very rusty with some dark gray to black matrix visible.
Thin Section Description (,2) - Cari Corrigan, Tim McCoy
This very small section shows an aggregate of chondrules (up to 1.5 mm), chondrule fragments, and pyroxene grains in a matrix of abundant metal and sulfide. Weathering is extensive, with staining of enstatite grains and minor alteration of metal and sulfides. Microprobe analyses show the pyroxene is Fs0-3. The meteorite is a type 3 enstatite chondrite, probably an EH3.
Antarctic Meteorite Images for Sample MIL 13285
Lab Photo of Sample MIL 13285 Displaying North Orientation  Thin Section Photo of Sample MIL 13285 in Plane-Polarized Light with 2.5X Magnification  Thin Section Photo of Sample MIL 13285 in Reflected Light with 2.5X Magnification  Thin Section Photo of Sample MIL 13285 in Cross-Polarized Light with 2.5X Magnification 
Thin Section Photo of Sample MIL 13285 in Plane-Polarized Light with 5X Magnification  Thin Section Photo of Sample MIL 13285 in Reflected Light with 5X Magnification  Thin Section Photo of Sample MIL 13285 in Cross-Polarized Light with 5X Magnification 
Data from:
  MB105
  Table 0
  Line 0:
Date:2013
Mass (g):1.0
Pieces:1
Class:EH3
Weathering grade:B/C
Ferrosilite (mol%):0-3
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 39(1) (2016), JSC, Houston
Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 32' 26"S, 156° 55' 55"E)

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