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Allan Hills A76001
Basic information Name: Allan Hills A76001
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA76001
This meteorite may also be called Allan Hills 76001 (ALH 76001) in publications.

Observed fall: No
Year found: 1976 or 1977
Country: Antarctica [Collected jointly by ANSMET (US) and NIPR (Japan)]
Mass:help 20.15 kg
Classification
  history:
Meteoritical Bulletin:  MB 56  (1979)  L6
Antarctic Meteorite Newsletter:  AMN 7(1)  (1984)  L6
Meteoritical Bulletin:  MB 76  (1994)  L6
NHM Catalogue:  5th Edition  (2000)  L6
NIPR Catalogue:  2000 Edition  (2000)  L6
MetBase:  v. 7.1  (2006)  L6
Recommended:  L6    [explanation]

This is 1 of 10924 approved meteorites (plus 6 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeuphelp
Writeup from MB 56:
Warning: the following text was scanned and may contain character recognition errors. Refer to the original to be sure of accuracy.

DISCOVERY OF THE ALLAN HILLS A76001, ANTARCTICA, STONY METEORITE

Name: ALLAN HILLS A76001

Place of find: West of Allan Nunatak, on the edge of the Polar plateau, Victoria Land, Antarctica.

76°45'00"S., 159°22'34"E.

Date of find: January 18, 1977.

Class and type: Stone. Olivine-hypersthene chondrite (L6). Olivine Fa24.5.

Number of individual

specimens: 1

Total weight: 20.151 kg

Circumstances of find: Sighted from a helicopter which was taxying 10-15 m above bare ice, during the 1976-1977 season of the U.S.-Japan Joint Antarctic Expedition, 80 m from Allan Hills A76002.

Source: K. Yanai, 1978. First meteorites found in Victoria Land, Antarctica, December 1976 and January 1977. Mem. Nat. Inst. Polar Res., Special Issue No. 8, 51-69.

Note: Also known as Allan Nunatak No. 1 and as Allan Hills No. 1. Allan Hills A76001 is the name approved by the Nomenclature Committee of the Meteoritical Society.

See also: W.A. Cassidy, E. Olsen and K. Yanai, 1977. Antarctica: a deep-freeze storehouse for meteorites. Science 198, 727-73 1, where the coordinates are given as 76°39'27"S., 159°33'16"E., and E. Olsen etal., 1978. Eleven new meteorites from Antarctica, 1976-1977. Meteoritics 13, 209-225.

Data from:
  MB76
  Table 2
  Line 1:
Origin or pseudonym:Main icefield
Mass (g):20151
Class:L6
Weathering grade:A
Fayalite (mol%):25
Ferrosilite (mol%):21
Comments:26Al=63±3
Catalogs:
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Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 15(2) (1992), JSC, Houston
Published in Meteoritical Bulletin, no. 56, Meteoritics 14, 161-175 (1979)
Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Michael Cottingham   
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (76° 43'S, 159° 40'E)
     Recommended::   (76° 45'S, 159° 20'E)
Note: the NHM and MetBase coordinates are 9.3 km apart

Statistics:
     This is 1 of 38940 approved meteorites from Antarctica (plus 5051 unapproved names)
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Synonymshelp: ALHA761 (Added by JNG 2/23/06)
Allan Hills No. 1 (Added by JNG 2/23/06)
Allan Nunatak No. 1 (Added by JNG 2/23/06)

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