MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 21 Jul 2024
Search for: Search type: Search limits: Display: Publication:
Text help
Starts with
Sounds like
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Allan Hills A76009
Basic information Name: Allan Hills A76009
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA76009
This meteorite may also be called Allan Hills 76009 (ALH 76009) in publications.

Observed fall: No
Year found: 1976 or 1977
Country: Antarctica [Collected jointly by ANSMET (US) and NIPR (Japan)]
Mass:help 407 kg
Antarctic Meteorite Newsletter:  AMN 1(3)  (1978)  L6
Meteoritical Bulletin:  MB 56  (1979)  L6
NIPR Newsletter:  MN 4(1)  (1985)  L5
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 12995 approved meteorites (plus 11 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)
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 A76009

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

76°42'26"S., 159°07'43"E.

Date of find: January 20, 1977.

Class and type: Stone. Olivine-hypersthene chondrite (L6). Olivine Fa24.1.

Number of individual

specimens: 33

Total weight: 407 kg

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. 9 and as Allan Hills No. 9. Allan Hills A76009 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°43'14"S., 159°17'39"E., and E. Olsen etal., 1978. Eleven new meteorites from Antarctica, 1976-1977. Meteoritics 13, 209-225.

[From Antarctic Meteorite Newsletter 4(1):]

Sample No.: ALHA76009

Location: Allan Hills

Field No.:

Weight (gms): 3950.5

Meteorite Type: L6 Chondrite


Physical Description:

Stone possesses remnants of a black fusion crust (~1 mm thick). Much of the crust is fractured in a polygonal pattern. The specimen is fractured. One large, severely weathered fracture runs through the meteorite. Dimensions: 18 x 13 x 7.6 cm.


Petrographic Description:

This meteorite described as Allan Hills #9 in Olsen et al., 1978.

Data from:
  Table 2
  Line 9:
Origin or pseudonym:Main icefield
Mass (g):407 kg
Weathering grade:B
Fayalite (mol%):24
Ferrosilite (mol%):21
Comments:26Al=65±5; NTL=10.4±0.1
Search for specimens in the Smithsonian Institution collection (U.S.):   
    Require SI photo
Search for this meteorite in the NIPR database (Japan):   
Search for this meteorite in the NASA/JSC database (U.S.):   
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)
Find references in NASA ADS:
Find references in Google Scholar:
Photos from the Encyclopedia of Meteorites:
Mike Bandli   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Aeroliths Collection Theodossiou   
Alan Mazur   
Argus Rocks   
Brice D. Hornback   
Corey Kuo   
David Hardy   
David L. Ribeca      
Domjan Svilkovic   
Franco Vignato   
Gerald Armstrong   
Kamil Maciag (meteoryt)   
MeteoriteCollector.org - AMNH - New York   
MeteoriteCollector.org - FCOM - Russ Finney      
MeteoriteCollector.org - NIPR - Polar Research   
Michael S. Scherman      
Phil Schmitz   
Qi Lv      
Robert Zdancewicz   
Wojciech Moscinski   
Woreczko Jan & Wadi   
Ziyao Wang      

     Catalogue of Meteorites:   (76° 43'S, 159° 40'E)
     Recommended::   (76° 43'S, 159° 40'E)

     This is 1 of 45039 approved meteorites from Antarctica (plus 3472 unapproved names)
Proximity search:
Find nearby meteorites: enter search radius (km):
Synonymshelp: ALHA769 (Added by JNG 2/23/06)
Allan Hills No. 9 (Added by JNG 2/23/06)
Allan Nunatak No. 9 (Added by JNG 2/23/06)

Direct link to this page