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Miller Range 090980
Basic information Name: Miller Range 090980
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 090980
Observed fall: No
Year found: 2009
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 98.1 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 35(1)  (2012)  Ureilite
Meteoritical Bulletin:  MB 100  (2012)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 594 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Field number: 20581
Approved 25 Feb 2012
Writeuphelp
Writeup from AMN 35(1):
Sample Number MIL 090980
Newsletter 35,1
Location Miller Range
Field Number 20581
Dimensions 5.0 x 3.0 x 3.0
Weight 98.09
Original Classification Ureilite
Mineral Composition (%Fa &  %Fs)
Fayalite (mol%): 22; Ferrosilite (mol%): 18-19
Weathering
C
Fracturing
A/B
Macroscopic Description - Kathleen McBride
80% of the exterior surface has black fusion crust with polygonal fractures. The rusty interior has a granular textured matrix and some rust stained chondrules.
Thin Section Description (,2) - Cari Corrigan and Tim McCoy
This section consists of an aggregate of equigranular (up to 1 mm) olivine grains. Individual olivine grains are rimmed by carbon-rich material containing grains of metal. Olivine has cores of Fa22. Pyroxene analyses are Fs18-19Wo8. This meteorite is a ureilite.
Antarctic Meteorite Images for Sample MIL 090980
Thin Section Photo of Sample MIL 090980 in Plane-Polarized Light with 1.25X Magnification  Thin Section Photo of Sample MIL 090980 in Plane-Polarized Light with 2.5X Magnification  Thin Section Photo of Sample MIL 090980 in Reflected Light with 1.25X Magnification  Thin Section Photo of Sample MIL 090980 in Reflected Light with 2.5X Magnification 
Thin Section Photo of Sample MIL 090980 in Cross-Polarized Light with 1.25X Magnification  Thin Section Photo of Sample MIL 090980 in Cross-Polarized Light with 2.5X Magnification  Lab Photo of Sample MIL 090980 Showing North View 
Data from:
  MB100
  Table 1
  Line 1132:
Date:2009
Mass (g):98.1
Pieces:1
Class:Ureilite
Weathering grade:C
Fayalite (mol%):22
Ferrosilite (mol%):18-19
Classifier:SI
Type spec mass (g):98.1
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° 24' 17"S, 156° 39' 43"E)

Statistics:
     This is 1 of 41899 approved meteorites from Antarctica (plus 3802 unapproved names)
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