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Miller Range 03346
Basic information Name: Miller Range 03346
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 03346
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 715 g
Antarctic Meteorite Newsletter:  AMN 27(2)  (2004)  Nakhlite
Meteoritical Bulletin:  MB 89  (2005)  Nakhlite
MetBase:  v. 7.1  (2006)  Nakhlite
Recommended:  Martian (nakhlite)    [explanation]

This is 1 of 32 approved meteorites classified as Martian (nakhlite).   [show all]
Search for other: Martian meteorites
Comments: Field number: 13205
Writeup from AMN 27(3):
Sample No.: MIL 03346
Location: Miller Range
Field No.: 13205
Dimensions (cm):   10.0x6.0x5.5
Weight (g): 715.200
Meteorite Type: Nakhlite
    MIL03346 MIL03346

Macroscopic Description: Kathleen McBride
60% of the exterior is covered with black "wrinkled" appearing fusion crust. The areas without fusion crust are a black crystalline material with vugs. The binocular microscopic view of the exterior surface appears melted or fused together. The interior reveals a coarse grained, dark green to blackish crystalline matrix with a granular texture. This nakhlite is unbrecciated and homogeneous with interlocking grains and minor rust.

Thin Section (,2) Description: Tim McCoy, Cari Corrigan, Linda Welzenbach

MIL 03346 - Cross-Polarized Light MIL 03346 - Plane-Polarized Light
Cross-Polarized Light Plane-Polarized Light
The section is dominated by lathy to equant clinopyroxene that reaches 2 mm in maximum dimension. Mesostasis occupies approximately 20% of the rock and contains skeletal iron-titanium oxides. Clinopyroxenes have core compositions of Fs21 Wo40 with rims reaching Fs49 Wo34. Olivine was not observed. The meteorite is a nakhlite. Its pyroxenes are compositionally similar to Lafayette, but it is richer in mesostasis and unusual for nakhlites in lacking olivine.

Data from:
  Table A1
  Line 674:
Mass (g):715.2
Weathering grade:B
Ferrosilite (mol%):21-49
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 27(3) (2004), JSC, Houston
Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Photos from the Encyclopedia of Meteorites:

     Recommended::   (83° 22' 20"S, 156° 23' 53"E)
Note: the MetBase and recommended coordinates are 15.7 km apart

     This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names)
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