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Miller Range 05085
Basic information Name: Miller Range 05085
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 05085
Observed fall: No
Year found: 2005
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 18.6 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 29(2)  (2006)  Howardite
Meteoritical Bulletin:  MB 92  (2007)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 384 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Field number: 18731
Approved 1 Sep 2006
Writeuphelp
Writeup from AMN 29(2):
Sample No.: MIL 05085
Location: Miller Range
Field No.: 18731
Dimensions (cm):   3.0x1.5x2.5
Weight (g): 18.648
Meteorite Type: Howardite


Macroscopic Description: Kathleen McBride
Only 5% of the exterior has shiny black fusion crust. The interior is a gray and tan matrix with vugs and white, black, gray and tan clasts.


Thin Section (,2) Description: Tim McCoy
The section shows a groundmass of comminuted pyroxene and plagioclase (up to 0.5 mm) with fine to coarse-grained basaltic clasts ranging up to 2 mm. Impact melt glass, including melt spherules, is present. Pyroxene exhibits a broad range of compositions (Fs60Wo6 to Fs27Wo42) and many grains exhibit twinning. The Fe/Mn ratio of the pyroxene is ~30. Plagioclase is ~An88Or0.2. The meteorite is a howardite.



Thin Section Images

Cross-Polarized LightPlane-Polarized Light
MIL 05085 - Cross-Polarized Light MIL 05085 - Plane-Polarized Light



Lab Images

MIL 05085 Image

Data from:
  MB92
  Table 3
  Line 891:
Mass (g):18.6
Class:How
Weathering grade:B
Ferrosilite (mol%):27-60
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 29(2) (2006), JSC, Houston
Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
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Photos:
CreditPhotos
Photographs from AMN:
JSC A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Recommended::   (83° 17' 21"S, 155° 48' 18"E)

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