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Last update: 30 Nov 2019
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Allan Hills 90405
Basic information Name: Allan Hills 90405
     This is an OFFICIAL meteorite name.
Abbreviation: ALH 90405
Observed fall: No
Year found: 1990
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 210 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 17(3)  (1994)  L4
Meteoritical Bulletin:  MB 79  (1996)  L4
NHM Catalogue:  5th Edition  (2000)  L4
MetBase:  v. 7.1  (2006)  L4
Recommended:  L4    [explanation]

This is 1 of 1617 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB79
  Table 2
  Line 6:
Origin or pseudonym:Main icefield
Mass (g):210.4
Class:L4
Weathering grade:B/C
Fayalite (mol%):24
Ferrosilite (mol%):21-25
Comments:NTL=5.5±0.1
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 17(3) (1994), JSC, Houston
Published in Meteoritical Bulletin, no. 79, MAPS 31, A161-A174 (1996)
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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (76° 43'S, 159° 40'E)
     Recommended::   (76° 44' 15"S, 159° 24' 33"E)
Note: the NHM and MetBase coordinates are 7 km apart

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