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MacAlpine Hills 02658
Basic information Name: MacAlpine Hills 02658
     This is an OFFICIAL meteorite name.
Abbreviation: MAC 02658
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1.27 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 27(3)  (2004)  CM2
Meteoritical Bulletin:  MB 89  (2005)  CM2
MetBase:  v. 7.1  (2006)  CM2
Recommended:  CM2    [explanation]

This is 1 of 541 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Field number: 14146
Writeuphelp
Writeup from AMN 27(3):
Sample No.: MAC 02658
Location: MacAlpine Hills
Field No.: 14146
Dimensions (cm):   2.0x1.0x0.75
Weight (g): 1.269
Meteorite Type: CM2 Chondrite
    MAC02658

Macroscopic Description: Kathleen McBride
The exterior is black without fusion crust. The interior is a black matrix with tiny white inclusions.

Thin Section (,2) Description: Tim McCoy, Linda Welzenbach

MAC 02658 - Cross-Polarized Light MAC 02658 - Plane-Polarized Light
Cross-Polarized Light Plane-Polarized Light
The section consists of a few small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; sulfide and carbonate grains are present. Olivine compositions are Fa0-52, with a peak at Fa0-1. The matrix consists dominantly of an Fe-rich serpentine; chondrules are relatively unaltered. The meteorite is a CM2 chondrite.
Data from:
  MB89
  Table A1
  Line 408:
Origin or pseudonym:Bottom Lip
Mass (g):1.27
Class:CM2
Weathering grade:B
Fayalite (mol%):0-52
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 27(3) (2004), 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° 18' 53"S, 159° 48' 18"E)
Note: the MetBase and recommended coordinates are 13.4 km apart

Statistics:
     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)
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