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MacAlpine Hills 02755
Basic information Name: MacAlpine Hills 02755
     This is an OFFICIAL meteorite name.
Abbreviation: MAC 02755
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 3.52 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 28(1)  (2005)  CM2
Meteoritical Bulletin:  MB 89  (2005)  CM2
MetBase:  v. 7.1  (2006)  CM2
Recommended:  CM2    [explanation]

This is 1 of 540 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: 14191
Writeuphelp
Writeup from AMN 28(1):
Sample No.: MAC 02755
Location: MacAlpine Hills
Field No.: 14191
Dimensions (cm):   2.0x1.25x1.5
Weight (g): 3.52
Meteorite Type: CM2 Chondrite
    MAC02755 MAC02755

Macroscopic Description: Kathleen McBride
The exterior has smooth brown/black fusion crust on 75% of its surface. The interior has a black matrix with light colored chondrules.

Thin Section (,3) Description: Cari Corrigan, Tim McCoy

MAC 02755 - Cross-Polarized Light MAC 02755 - Plane-Polarized Light
Cross-Polarized Light Plane-Polarized Light
The section consists of numerous small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Chondrules exhibit significant alteration and shock flattening. Olivine compositions are Fa1-40, with a peak at Fa0-2. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.
Data from:
  MB89
  Table A1
  Line 493:
Origin or pseudonym:Bottom Lip
Mass (g):3.52
Class:CM2
Weathering grade:B
Fayalite (mol%):1-40
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° 18' 49"S, 159° 44' 28"E)

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