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Allan Hills A76003
Basic information Name: Allan Hills A76003
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA76003
This meteorite may also be called Allan Hills 76003 (ALH 76003) in publications.

Observed fall: No
Year found: 1976 or 1977
Country: Antarctica [Collected jointly by ANSMET (US) and NIPR (Japan)]
Mass:help 10.5 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 10989 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 A76003, ANTARCTICA, STONY METEORITE

Name: ALLAN HILLS A76003

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

76°44'11"S., 159°20'47"E.

Date of find: January 18, 1977.

Class and type: Stone. Olivine-hypersthene chondrite (L6). Olivine Fa24.6.

Number of individual

specimens: 3

Total weight: 10.495 kg

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

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. 3, and as Allan Hills No. 3. Allan Hills A76003 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, 727-731, where the coordinates of the find site are given as 76°47'29"S., 159°26'44"E., and E. Olsen et al., 1978. Eleven new meteorites from Antarctica, 1976-1977. Meteoritics 13, 209-225.

Data from:
  MB76
  Table 2
  Line 3:
Origin or pseudonym:Main icefield
Mass (g):10495
Class:L6
Weathering grade:A
Fayalite (mol%):25
Ferrosilite (mol%):21
Comments:26Al=64±5
Catalogs:
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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)
Find references in NASA ADS:
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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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Synonymshelp: ALHA763 (Added by JNG 2/23/06)
Allan Hills No. 3 (Added by JNG 2/23/06)
Allan Nunatak No. 3 (Added by JNG 2/23/06)

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