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Allan Hills 99503
Basic information Name: Allan Hills 99503
     This is an OFFICIAL meteorite name.
Abbreviation: ALH 99503
Observed fall: No
Year found: 1999
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 36.1 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  H4
Antarctic Meteorite Newsletter:  AMN 24(1)  (2001)  H4
Meteoritical Bulletin:  MB 85  (2001)  H4
MetBase:  v. 7.1  (2006)  H4
Recommended:  H4    [explanation]

This is 1 of 5782 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB85
  Table A1
  Line 16:
Origin or pseudonym:Middle Western
Mass (g):36.1
Class:H4
Weathering grade:C
Fayalite (mol%):19
Ferrosilite (mol%):8-14
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References: Published in Antarctic Meteorite Newsletter 24(1) (2001), JSC, Houston
Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (76° 43'S, 159° 40'E)
     Recommended::   (76° 43'S, 159° 40'E)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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