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Miller Range 99307
Basic information Name: Miller Range 99307
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 99307
Observed fall: No
Year found: 1999
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 292 g
NHM Catalogue:  5th Edition  (2000)  L3.6
Antarctic Meteorite Newsletter:  AMN 24(1)  (2001)  L3.6
Meteoritical Bulletin:  MB 85  (2001)  L3.6
MetBase:  v. 7.1  (2006)  L3.6
Recommended:  L3.6    [explanation]

This is 1 of 59 approved meteorites classified as L3.6.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Field number: 11295
Writeup from AMN 24(1):
Sample No.: MIL 99307
Location: Miller Range
Field No.: 11295
Dimensions (cm):   10x6.5x2.0
Weight (g): 291.7
Meteorite Type: L3 Chondrite (estimated 3.6)

Macroscopic Description: Kathleen McBride
The exterior of this flat, ordinary chondrite's surface is smooth and has a brown/black fusion crust with little dings and pits. This meteorite is very hard and dense. The interior is rusty and has a high concentration of metal.

Thin Section (, 2) Description: Tim McCoy and Linda Welzenbach
MIL 99307 - Cross-Polarized Light The section exhibits numerous well-defined chondrules (up to 2 mm) in a matrix of fine-grained silicates, metal and troilite. Moderate shock effects are present and weathering is extensive. Silicates are unequilibrated; olivines range from Fa14-37, with a weak peak at Fa21-25. Orthopyroxene range from Fs10-22. The meteorite is an L3 chondrite (estimated subtype 3.6).

Data from:
  Table A1
  Line 149:
Mass (g):291.7
Weathering grade:C
Fayalite (mol%):14-37
Ferrosilite (mol%):10-22
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References: Published in Antarctic Meteorite Newsletter 24(1) (2001), JSC, Houston
Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
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Photographs from AMN:
Photograph from unknown source A photo is in the write-up above

     Catalogue of Meteorites:   (83° 15'S, 157° 0'E)
     Recommended::   (83° 17' 52"S, 155° 59' 49"E)
Note: the NHM and recommended coordinates are 14.2 km apart

     This is 1 of 40744 approved meteorites from Antarctica (plus 4494 unapproved names)
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