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Allan Hills A76008
Basic information Name: Allan Hills A76008
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA76008
This meteorite may also be called Allan Hills 76008 (ALH 76008) in publications.

Observed fall: No
Year found: 1976 or 1977
Country: Antarctica [Collected jointly by ANSMET (US) and NIPR (Japan)]
Mass:help 1150 g
Antarctic Meteorite Newsletter:  AMN 1(3)  (1978)  H6
Meteoritical Bulletin:  MB 56  (1979)  H6
MB 76  (1994)  H6
NHM Catalogue:  5th Edition  (2000)  H6
NIPR Catalogue:  2000 Edition  (2000)  H6
MetBase:  v. 7.1  (2006)  H6
Recommended:  H6    [explanation]

This is 1 of 6532 approved meteorites (plus 5 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
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.


Name: ALLAN HILLS A76008

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

76°40'44" S., 159° 10'24"E.

Date of find: January 20, 1977.

Class and type: Stone. Olivine-bronzite chondrite (H6). Olivine Fa19.2.

Number of individual

specimens: 1

Total weight: 1150 g

Circumstances of find: Found during a helicopter search over an area of 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. 8 and as Allan Hills No. 8. Allan Hills A76008 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 76'39'27"S., 159'18'14"E., and E. Olsen et al., 1978. Eleven new meteorites from Antarctica, 1976-1977. Meteoritics 13, 209-225.

[From Antarctic Meteorite Newsletter 4(1):]

Sample No. : ALHA76008

Location: Allan Hills

Field No.:

Weight (gms): 281.3

Meteorite Type: H6 Chondrite


Physical Description:

Specimen exhibits a thin (<.5 mm), reddish-black fusion crust. The fusion crust is absent in some places. Iron oxide staining is randomly scattered over the fusion crust. It appears that the meteorite has experienced preferential melting during entry. The two sawed surfaces are severely iron oxide stained.

Dimensions: 7.0 x 5.9 x 3.2 cm.


Petrographic Description:

Identical to Allan Hills #8 described in Olsen, et al., 1978.

Data from:
  Table 2
  Line 8:
Origin or pseudonym:Main icefield
Mass (g):1150
Weathering grade:B/C
Fayalite (mol%):19
Ferrosilite (mol%):17
Comments:26Al=11±1; NTL=8.5±0.3
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References: Published in Antarctic Meteorite Newsletter 1(3) (1978), 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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     Catalogue of Meteorites:   (76° 43'S, 159° 40'E)
     Recommended::   (76° 43'S, 159° 40'E)

     This is 1 of 43856 approved meteorites from Antarctica (plus 3802 unapproved names)
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Synonymshelp: ALHA768 (Added by JNG 2/23/06)
Allan Hills No. 8 (Added by JNG 2/23/06)
Allan Nunatak No. 8 (Added by JNG 2/23/06)

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