Meteoritical Bulletin: Entry for MacAlpine Hills 02552

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MacAlpine Hills 02552

Basic information

Name: MacAlpine Hills 02552
This is an OFFICIAL meteorite name.
Abbreviation: MAC 02552
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 0.3 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 27(1)	(2004)	CM2
Meteoritical Bulletin:	MB 88	(2004)	CM2
MetBase:	v. 7.1	(2006)	CM2
Recommended:			CM2 [explanation]

This is 1 of 544 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: 14475

Writeup

Writeup from AMN 27(1):

Sample No.:	MAC 02552
Location:	MacAlpine Hills
Field No.:	14475
Dimensions (cm):	1.0x0.5x0.5
Weight (g):	0.314
Meteorite Type:	CM2 Chondrite

Macroscopic Description: Kathleen McBride
Black, purple tinged, polygonally fractured fusion crust covers 90% of this carbonaceous chondrite. The interior is black, friable and weathered with white and rust stained inclusions.

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


Cross-Polarized Light	Plane-Polarized Light

The section consist of a few small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal, framboidal magnetite and sulfide grains are present. Chondrites are moderately altered; Fe-rich serpentine dominates the matrix . Olivine compositions are Fa_2-3. The meteorite is a CM2 chondrite.

Data from:
  MB88
  Table A1
  Line 58:

Mass (g):	0.314
Class:	CM2
Weathering grade:	B
Fayalite (mol%):	2-3

Catalogs:

Search for this meteorite in the NASA/JSC database (U.S.):

References:

Published in Antarctic Meteorite Newsletter 27(1) (2004), JSC, Houston
Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)

Find references in NASA ADS:
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Photos:

Credit	Photos
Photographs from AMN:
Photograph from unknown source	A photo is in the write-up above

Geography:

Antarctica

Coordinates:
Recommended::	(84° 16' 24"S, 160° 1' 23"E)

Note: the MetBase and recommended coordinates are 8.3 km apart

Statistics:
This is 1 of 40719 approved meteorites from Antarctica (plus 4494 unapproved names)

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