Meteoritical Bulletin: Entry for MacAlpine Hills 04930

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MacAlpine Hills 04930

Basic information

Name: MacAlpine Hills 04930
This is an OFFICIAL meteorite name.
Abbreviation: MAC 04930
Observed fall: No
Year found: 2004
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 0.88 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 29(1)	(2006)	H3
Meteoritical Bulletin:	MB 91	(2007)	H3
Recommended:			H3 [explanation]

This is 1 of 682 approved meteorites (plus 2 unapproved names) classified as H3. [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Field number: 15086
Approved 21 Feb 2005

Writeup

Writeup from AMN 29(1):

Sample No.:	MAC 04930
Location:	MacAlpine Hills
Field No.:	15086
Dimensions (cm):	0.5x0.7x0.4
Weight (g):	0.880
Meteorite Type:	H3 Chondrite

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

Cross-Polarized Light	Plane-Polarized Light

This pea sized rusty ordinary chondrite exhibits numerous small chondrules (up to 1 mm) in a black matrix with irregular metal and troilite. The meteorite is highly weathered. Silicates are unequilibrated; olivines range from Fa_2-24 and pyroxenes from Fs_3-12. The meteorite is an H3 chondrite (estimated subtype 3.6).

Data from:
  MB91
  Table 4
  Line 733:

Mass (g):	0.9
Class:	H3
Weathering grade:	B
Fayalite (mol%):	2-24
Ferrosilite (mol%):	3-1

Catalogs:

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

References:

Published in Antarctic Meteorite Newsletter 29(1) (2006), JSC, Houston
Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)

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Photos:

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

Geography:

Antarctica

Coordinates:
Recommended::	(84° 18' 1"S, 160° 2' 17"E)

Statistics:
This is 1 of 43840 approved meteorites from Antarctica (plus 3802 unapproved names)

Proximity search:

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