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Miller Range 090846
Basic information Name: Miller Range 090846
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 090846
Observed fall: No
Year found: 2009
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 0.9 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 35(1)  (2012)  EH6
Meteoritical Bulletin:  MB 100  (2012)  EH6
Recommended:  EH6    [explanation]

This is 1 of 6 approved meteorites classified as EH6.   [show all]
Search for other: EH chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Comments: Field number: 18835
Approved 25 Feb 2012
Writeuphelp
Writeup from AMN 35(1):
Sample Number MIL 090846
Newsletter 35,1
Location Miller Range
Field Number 18835
Dimensions 1.0 x 1.0 x 0.5
Weight 0.88
Original Classification EH6 Chondrite
Mineral Composition (%Fa &  %Fs)
Ferrosilite (mol%): 0-2
Weathering
B
Fracturing
B
Macroscopic Description - Cari Corrigan and Linda Welzenbach
Less than 30% of the exterior is covered with fusion crust. Interior is fine grained and black with minor oxidation staining. No chondrules or metal are visible.
Thin Section Description (,2) - Cari Corrigan and Linda Welzenbach
The section shows an aggregate of chondrule fragments, and pyroxene grains in a matrix of about 20% metal and sulfide. No chondrules were found, but the section is only 2 mm across and fully fusion-crusted. The groundmass has been extensively recrystallized. Weathering is modest, with staining of some enstatite grains and minor alteration of metal and sulfides. Microprobe analyses show pyroxene compositions of Fs0-2Wo0-0.5. Si in the metal is 2.85 wt. %. The meteorite is a type 6 enstatite chondrite, probably an EH6.
Antarctic Meteorite Images for Sample MIL 090846
Thin Section Photo of Sample MIL 090846 in Plane-Polarized Light with 2.5X Magnification  Thin Section Photo of Sample MIL 090846 in Reflected Light with 2.5X Magnification  Thin Section Photo of Sample MIL 090846 in Cross-Polarized Light with 2.5X Magnification  Lab Photo of Sample MIL 090846 Showing North View 
Data from:
  MB100
  Table 1
  Line 1031:
Date:2009
Mass (g):0.9
Pieces:1
Class:EH6
Weathering grade:B
Ferrosilite (mol%):0-2
Classifier:SI
Type spec mass (g):0.9
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 35(1) (2012), JSC, Houston
Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 23' 4"S, 156° 23' 35"E)

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