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Miller Range 090105
Basic information Name: Miller Range 090105
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 090105
Observed fall: No
Year found: 2009
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 119.4 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 33(2)  (2010)  Diogenite
Meteoritical Bulletin:  MB 99  (2011)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 522 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Field number: 20371
Approved 12 Sep 2010
Writeuphelp
Writeup from AMN 33(2):
Sample Number MIL 090105
Pairing MIL 090105; MIL 090106; MIL 090107
Newsletter 33,2
Location Miller Range
Field Number 20371
Dimensions 4.9 x 4.8 x 3.5
Weight 119.42
Original Classification Diogenite
Macroscopic Description - Cecilia Satterwhite
The exterior has 70% black fusion crust with some oxidation present. Areas without fusion crust reveal a tan matrix with some evaporites. The interior is a cream colored to tan matrix with some dark and light inclusions/clasts. A few larger yellowish clasts are visible.
Thin Section (,2) Description - Cari Corrigan, Tim McCoy and Linda Welzenbach
The sections show coarse (up to 5 mm) comminuted pyroxene with minor interstitial plagioclase and SiO2. Pyroxenes exhibit blebby exsolution, with low-Ca pyroxene hosts of compositions Fs29-53Wo1-11 and high-Ca pyroxene exsolution of composition Fs14Wo40.  Fe/Mn ratios of the pyroxenes are ~30.  Feldspars are An82-91Or0.2-0.5.  These meteorites are diogenites, although the pyroxene is on the FeO-rich end of diogenites towards cumulate eucrites.  These are likely paired with MIL 07613.
Antarctic Meteorite Images for Sample MIL 090105
Lab Photo of Sample MIL 090105  Lab Photo of Sample MIL 090105 Showing East View  Lab Photo of Sample MIL 090105 Showing North View  Lab Photo of Sample MIL 090105 Showing Post-Processing View 
Lab Photo of Sample MIL 090105 Showing South View  Lab Photo of Sample MIL 090105 Showing West View  Thin Section Photo of Sample MIL 090105 in Plane-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 090105 in Plane-Polarized Light with 1.25x Magnification 
Thin Section Photo of Sample MIL 090105 in Cross-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 090105 in Cross-Polarized Light with 1.25x Magnification  Thin Section Photo of Sample MIL 090105 in Cross-Polarized Light with 5x Magnification 
Data from:
  MB99
  Table 0
  Line 0:
Date:2009
Mass (g):119.4
Class:Diogenite
Weathering grade:A/B
Fayalite (mol%):29-34
Ferrosilite (mol%):14
Classifier:SI
Type spec mass (g):119.4
Type spec location:JSC
Main mass:JSC
Finder:ANSMET
Institutions
   and collections
JSC: Mailcode XI, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 28 Jul 2022)
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 33(2) (2010), JSC, Houston
Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 23' 52"S, 156° 42' 36"E)

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