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   Antarctic Meteorite Newsletter, Volume 30, No. 1 - February 2007
Petrographic Descriptions   (Select a sample)


 
LAP 04751
LAP 04757
LAP 04771
 
LAP 04773
LAP 04775
LAP 04779
 
MCY 05239
MIL 05010
MIL 05013
 
MIL 05041
MIL 05062
MIL 05076
 
MIL 05086
MIL 05155
MIL 05165
 
PRA 04401
PRA 04402
RBT 04260
 
RBT 04261
RBT 04262


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Sample No.: MIL 05086
Location: Miller Range
Field No.: 18151
Dimensions (cm):   1.75x1.0x1.5
Weight (g): 1.732
Meteorite Type: CM2 Chondrite


Macroscopic Description: Kathleen McBride
The exterior fusion crust is rough textured and black in color with evaporites. The interior has a soft black matrix with light colored inclusions.


Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
The sections consist of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Many chondrules are aqueously altered. Olivine compositions are Fa0-25, orthopyroxene is Fs0-4. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.



Thin Section Images

Cross-Polarized
Light MIL 05086
Plane-Polarized
Light MIL 05086
Reflected
Light MIL 05086
MIL 05086 - Cross-Polarized Light MIL 05086 - Plane-Polarized Light MIL 05086 - Reflected Light



Lab Images

MIL 05086