Meteoritical Bulletin: Entry for MacAlpine Hills 02535

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MacAlpine Hills 02535

Basic information

Name: MacAlpine Hills 02535
This is an OFFICIAL meteorite name.
Abbreviation: MAC 02535
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 14.4 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: 14230

Writeup

Writeup from AMN 27(1):

Sample No.:	MAC 02535
Location:	MacAlpine Hills
Field No.:	14230
Dimensions (cm):	2.5x3.0x1.5
Weight (g):	14.367
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 (,4) Description: Linda Welzenbach, Tim McCoy


Cross-Polarized Light	Plane-Polarized Light

The section consists of a few small shock flattened chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa_0-52, with a peak at Fa_0-2; orthopyroxene is Fs_0-1. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.

Data from:
  MB88
  Table A1
  Line 52:

Mass (g):	14.367
Class:	CM2
Weathering grade:	B/CE
Fayalite (mol%):	0-52
Ferrosilite (mol%):	0-1

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° 18' 59"S, 159° 47' 53"E)

Note: the MetBase and recommended coordinates are 13.6 km apart

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

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