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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:help 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 710 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
Writeuphelp
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 LightPlane-Polarized Light
MAC 04930 - Cross-Polarized Light MAC 04930 - 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 Fa2-24 and pyroxenes from Fs3-12. 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:
CreditPhotos
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 44543 approved meteorites from Antarctica (plus 3802 unapproved names)
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