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Miller Range 07613
Basic information Name: Miller Range 07613
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 07613
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 4.6 g
Classification
  history:
Meteoritical Bulletin:  MB 96  (2009)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 426 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Field number: 18795
Approved 4 Mar 2009
Writeuphelp
Writeup from AMN 32(1):
Sample Number MIL 07613
Pairing  
Newsletter 32,1
Location Miller Range
Field Number 18795
Dimensions 2.0 x 2.0 x 1.0
Weight 4.560
Original Classification Diogenite
Macroscopic Description - Kathleen McBride
The exterior has 40% brown/black fusion crust. The interior matrix is fine grained, tan in color and has black inclusions.
Thin Section (,3) Description - Tim McCoy and Linda Welzenbach
The section consists of an unbrecciated mass 2-5 mm orthopyroxene grains which interfinger at grain boundaries. Blebby diopside lamellae are common within the orthopyroxene. Large (several hundred microns) chromites are common at grain boundaries. Orthopyroxene has a composition of Fs36Wo2, diopside is Fs14Wo45 and plagioclase is An92. The Fe/Mn ratio of the pyroxene is ~30. The meteorite is likely a diogenite, although the texture is unlike typical diogenites and the pyroxene composition more FeO-rich than typical of diogenites.
Oxygen Isotopic Analysis - D. Rumble, Carnegie Institution of Washington

δ17O = 1.62, δ18O =3.57, Δ17O = -0.260
δ17O = 1.55, δ18O = 3.55, Δ17O = -0.316
[Where Δ17O = δ17O - 0.52 x δ18O]


Antarctic Meteorite Images for Sample MIL 07613
mil07613,0,1i.jpg  mil07613,0n.jpg  mil07613,0s.jpg  MIL07613ppl.jpg 
MIL07613xn.jpg 
Data from:
  MB96
  Table 5
  Line 489:
Mass (g):4.6
Class:Diogenite
Weathering grade:B
Plots: O isotopes:  
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 32(1) (2009), JSC, Houston
Published in Meteoritical Bulletin, no. 96, MAPS 44, 1355-1397 (2009)
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 22' 0"S, 156° 12' 29"E)

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