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MacAlpine Hills 02869
Basic information Name: MacAlpine Hills 02869
     This is an OFFICIAL meteorite name.
Abbreviation: MAC 02869
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 0.36 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 28(1)  (2005)  CM1
Meteoritical Bulletin:  MB 89  (2005)  CM1
MetBase:  v. 7.1  (2006)  CM1
Recommended:  CM1    [explanation]

This is 1 of 27 approved meteorites classified as CM1.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 1), CM chondrites, and CM-CO clan chondrites
Comments: Field number: 14746
Writeuphelp
Writeup from AMN 28(1):
Sample No.: MAC 02869
Location: MacAlpine Hills
Field No.: 14746
Dimensions (cm):   1.0x0.8x0.2
Weight (g): 0.357
Meteorite Type: CM1 Chondrite
    MAC02869

Macroscopic Description: Cecilia Satterwhite
The exterior has frothy, black patches over 50% of its surface.

Thin Section (,2) Description: Cari Corrigan, Tim McCoy

MAC 02869 - Cross-Polarized Light MAC 02869 - Plane-Polarized Light
Cross-Polarized Light Plane-Polarized Light
This tiny section consists of a few small chondrules that have been completely replaced by phyllosilicate, set in an Fe-rich serpentine matrix. Unaltered olivine or pyroxene grains of sufficient size for microprobe analyses were not found. The meteorite is a highly altered CM chondrite probably of petrologic type 1.
Data from:
  MB89
  Table A1
  Line 584:
Origin or pseudonym:Bottom Lip
Mass (g):0.36
Class:CM1
Weathering grade:B
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 28(1) (2005), JSC, Houston
Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photos:
CreditPhotos
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Recommended::   (84° 19' 0"S, 159° 36' 58"E)

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