Meteoritical Bulletin: Entry for Allan Hills 90405

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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: 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 2024 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:

Search for specimens in the Smithsonian Institution collection (U.S.):	Require SI photo
Search for this meteorite in the NASA/JSC database (U.S.):

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 43857 approved meteorites from Antarctica (plus 3802 unapproved names)

Proximity search:

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