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Miller Range 05062
Basic information Name: Miller Range 05062
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 05062
Observed fall: No
Year found: 2005
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 23.8 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 30(1)  (2007)  Howardite
Meteoritical Bulletin:  MB 92  (2007)  Howardite
Antarctic Meteorite Newsletter:  AMN 47(1)  (2024)  Eucrite-br
Recommended:  Eucrite-br    [explanation]

This is 1 of 236 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Field number: 18769
Approved 16 Feb 2007
Revised 26 Mar 2024: Reclassified in AMN 47(1)
Writeuphelp
Writeup from AMN 30(1):
Sample No.: MIL 05062; MIL 05165
Location: Miller Range
Field No.: 18769; 18721
Dimensions (cm):   3.6x3.5x2.1; 5.0x3.0x1.5
Weight (g): 23.788; 25.611
Meteorite Type: Howardite


Macroscopic Description: Cecilia Satterwhite and Kathleen McBride
30-40% brown/black fusion crust is on the exteriors with polygonal fractures. The interiors are tan to gray in color and are friable. No metal is visible. Black and white inclusions and odd shaped clasts of various colors are visible.


Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
The sections are so similar that a single description suffices. The sections show a groundmass of comminuted pyroxene and plagioclase (up to 0.5 mm) with fine- to coarse-grained basaltic clasts ranging up to 5 mm. Fine-grained clasts, presumably impact melt in origin, are observed. Most of the pyroxene is orthopyroxene and pigeonites with compositions ranging from Fs29-57Wo1-7, although augite of Fs40-60Wo24-40 is found. The Fe/Mn ratio is ~30 and feldspar is anorthitic (An90-92). The meteorites are howardites.



Thin Section Images

Cross-Polarized
Light MIL 05062
Plane-Polarized
Light MIL 05026
MIL 05062 - Cross-Polarized Light MIL 05062 - Plane-Polarized Light
Cross-Polarized
Light MIL 05165
Plane-Polarized
Light MIL 05165
<a href=MIL 05165 - Cross-Polarized Light"> <a href=MIL 05165 - Plane-Polarized Light">



Lab Images

MIL 05062
MIL 05062
MIL 05062
MIL 05062
MIL 05062
MIL 05062
MIL 05062
<a href=MIL 05165" border="0">
<a href=MIL 05165" border="0">

Data from:
  MB92
  Table 3
  Line 869:
Mass (g):23.8
Class:How
Weathering grade:B
Fayalite (mol%):29-54
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 30(1) (2007), 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' 14"E)

Statistics:
     This is 1 of 44400 approved meteorites from Antarctica (plus 3802 unapproved names)
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