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Miller Range 11290
Basic information Name: Miller Range 11290
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 11290
Observed fall: No
Year found: 2011
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 327 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 37(2)  (2014)  Eucrite
Meteoritical Bulletin:  MB 103  (2014)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 443 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Field number: 21553
Approved 8 Sep 2014
Writeuphelp
Writeup from AMN 37(2):
Sample Number MIL 11290
Newsletter 37,2
Location Miller Range
Field Number 21553
Dimensions 8.0 x 6.0 x 4.0
Weight 327.10
Original Classification Eucrite
Mineral Composition (%Fa &  %Fs)
Fayalite (mol%): 80; ferrosilite (mol%): 44-67
Weathering
Ae
Fracturing
A
Macroscopic Description - Mitchell Haller
95% of the exterior of this achondrite has jet black fusion crust, glassy and minor rust in areas. The interior matrix is gray with white inclusions, and some minor oxidation.
Thin Section Description (,2) - Cari Corrigan, Linda Welzenbach, Pamela Salyer
This meteorite is dominated by coarse-grained basaltic material. Feldspar laths are up to 1.5 mm. Pyroxene grains are also up to 1.5 mm. One finer-grained clast exists, with grain sizes up to 0.5 mm (also pyroxene and feldspar). Mineral compositions are orthopyroxene (Fs59-67Wo3-5), with lamellae of augite (Fs50Wo20, although lamellae were too small to get pure end-member compositions), and plagioclase (An78-85Or0.8-1.7). One olivine analysis was Fa80. The Fe/Mn ratio of the pyroxene is 29-34. The meteorite is a eucrite.
Antarctic Meteorite Images for Sample MIL 11290
Thin Section Photo of Sample MIL 11290 in Plane-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 11290 in Reflected Light with 1.25x Magnification  Thin Section Photo of Sample MIL 11290 in Cross-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 11290 in Plane-Polarized Light with 2.5x Magnification 
Thin Section Photo of Sample MIL 11290 in Reflected Light with 2.5x Magnification  Thin Section Photo of Sample MIL 11290 in Cross-Polarized Light with 2.5x Magnification  Lab Photo of Sample MIL 11290 Showing   Lab Photo of Sample MIL 11290 Splits Displaying North Orientation 
Lab Photo of Sample MIL 11290 Splits Displaying South Orientation  Lab Photo of Sample MIL 11290 
Data from:
  MB103
  Table 0
  Line 0:
Date:2011
Mass (g):327.1
Pieces:1
Class:Eucrite
Weathering grade:Ae
Fayalite (mol%):80
Ferrosilite (mol%):44-67
Classifier:SI
Type spec mass (g):327.1
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 37(2) (2014), JSC, Houston
Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 28' 49"S, 156° 45' 43"E)

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