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Miller Range 11100
Basic information Name: Miller Range 11100
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 11100
Observed fall: No
Year found: 2011
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 130.8 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 35(2)  (2012)  Howardite
Meteoritical Bulletin:  MB 101  (2012)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 381 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Field number: 22573
Approved 4 Sep 2012
Writeuphelp
Writeup from AMN 35(2):
Sample Number MIL 11 100
Newsletter 35,2
Location Miller Range
Field Number 22573
Dimensions 7.5 x 4.5 x 2.5
Weight 130.75
Original Classification Howardite
Mineral Composition (%Fa &  %Fs)
Ferrosilite (mol%): 23-61
Weathering
A
Fracturing
A
Macroscopic Description - Kathleen McBride
Dark brown/black fusion crust with small glassy patches cover 95% of the exterior surface. The interior matrix is gray with white angular clasts <2 mm in size.
Thin Section Description (,2) - Cari Corrigan and Andrew Beck
The section shows a groundmass of comminuted pyroxene and plagioclase (up to 0.5 mm) with diogenite and eucrite clasts. There is one 2.5 mm basaltic eucrite clast. Most of the pyroxene compositions range from Fs23-61Wo2-41 (most Wo2-10). This meteorite is a howardite.
Antarctic Meteorite Images for Sample MIL 11100
Lab Photo of Sample MIL 11100 Showing Interior View  Lab Photo of Sample MIL 11100 Showing East View  Lab Photo of Sample MIL 11100 Showing North View  Lab Photo of Sample MIL 11100 Showing South View 
Lab Photo of Sample MIL 11100 Showing West View  Thin Section Photo of Sample MIL 11100 in Plane-Polarized Light with 1.25X Magnification  Thin Section Photo of Sample MIL 11100 in Reflected Light with 1.25X Magnification  Thin Section Photo of Sample MIL 11100 in Cross-Polarized Light with 1.25X Magnification 
Thin Section Photo of Sample MIL 11100 in Plane-Polarized Light with 2.5X Magnification  Thin Section Photo of Sample MIL 11100 in Reflected Light with 2.5X Magnification  Thin Section Photo of Sample MIL 11100 in Cross-Polarized Light with 2.5X Magnification 
Data from:
  MB101
  Table 0
  Line 0:
Date:2011
Mass (g):130.8
Pieces:1
Class:Howardite
Weathering grade:A
Ferrosilite (mol%):23-61
Classifier:SI
Type spec mass (g):130.8
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(2) (2012), JSC, Houston
Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 27' 15"S, 156° 41' 17"E)

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