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Miller Range 090180
Basic information Name: Miller Range 090180
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 090180
Observed fall: No
Year found: 2009
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 7 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 34(1)  (2011)  L-imp melt
Meteoritical Bulletin:  MB 101  (2012)  L-imp melt
Recommended:  L-imp melt    [explanation]

This is 1 of 30 approved meteorites classified as L-imp melt.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Field number: 20334
Approved 14 Feb 2011
Writeuphelp
Writeup from AMN 34(1):
Sample Number MIL 090180
Newsletter 34,1
Location Miller Range
Field Number 20334
Dimensions 2.5 x 1.5 x 1.5
Weight 6.95
Original Classification L Chondrite (Impact Melt)
Mineral Composition (%Fa &  %Fs)
Fayalite (mol%): 24 ; Ferrosilite (mol%): 20
Weathering
C
Fracturing
B
Macroscopic Description - Kathleen McBride
20% of the exterior has weathered rusty brown fusion crust. The interior is a rusty black, fine grained matrix.
Thin Section (,2) Description - Cari Corrigan and Linda Welzenbach
This section is shock-blackened, and is composed of recrystallized silicate grains. Metal exists as stringers throughout the section. Olivines are of composition Fa24 and pyroxenes are Fs20Wo2. This meteorite is an L chondrite impact melt.
Antarctic Meteorite Images for Sample MIL 090180
Thin Section Photo of Sample MIL 090180 at 1.25X Magnification in Plane-Polarized Light  Thin Section Photo of Sample MIL 090180 at 2.5X Magnification in Plane-Polarized Light  Thin Section Photo of Sample MIL 090180 at 1.25X Magnification in Reflected Light  Thin Section Photo of Sample MIL 090180 at 2.5X Magnification in Reflected Light 
Thin Section Photo of Sample MIL 090180 at 1.25X Magnification in Cross-Polarized Light  Thin Section Photo of Sample MIL 090180 at 2.5X Magnification in Cross-Polarized Light  Lab Photo of Sample MIL 090180 Displaying North View 
Data from:
  MB99
  Table 0
  Line 0:
Date:2009
Mass (g):7.0
Pieces:1
Class:L-imp melt
Weathering grade:C
Fayalite (mol%):24
Ferrosilite (mol%):20
Classifier:SI
Type spec mass (g):7.0
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 34(1) (2011), JSC, Houston
Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 22' 45"S, 156° 16' 19"E)

Statistics:
     This is 1 of 38940 approved meteorites from Antarctica (plus 5051 unapproved names)
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