| MetSoc Home Publications Contacts |
|
||
|
||
| Allan Hills A76002 | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic information | Name: Allan Hills A76002 This is an OFFICIAL meteorite name. Abbreviation: ALHA76002 This meteorite may also be called Allan Hills 76002 (ALH 76002) in publications. Observed fall: No Year found: 1976 or 1977 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  1510 g | ||||||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 120 approved meteorites classified as Iron, IAB-MG. [show all] Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||||||||||||||||||||||||
| Writeup |
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 A76002, ANTARCTICA, IRON METEORITE Name: ALLAN HILLS A76002 Place of find: West of Allan Nunatak on the edge of the Polar plateau, Victoria Land, Antarctica. 6045'00"S., 159°22'34"E. Date of find: January 18, 1977. Class and type: Iron. Coarsest octahedrite. Ni = 6.36%, Ga = 93 ppm, Ir = 2.3 ppm. Number of individual specimens: 1 Total weight: 1510 g 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, 80 m from the find site of the Allan Hills A76001 stone. Source: . 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. 2 and as Allan Hills No. 2. Allan Hills A76002 is the name approved by the Nomenclature Committee of the Meteoritical Society. See also: 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°33'16"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.: ALHA76002 Location: Allan Hills Field No.: Weight (gms): 307.0 Meteorite Type: Iron-Group IA or Ogg
Physical Description: A thin black fusion crust covers the exterior of this specimen. The regmaglypts have a minor amount of iron oxide staining in the depressions.
Dimensions: ~6.8 x 3.7 x 3.7 cm.
Petrographic Description: This is the same sample as Allan Hills #2 as described in Olsen, et al., 1978. Eleven new meteorites from Antarctica, 1976-1977, Meteoritics, Vol. 13, No. 2, pp 209-225. | ||||||||||||||||||||||||||||||||||||||||
| Data from: MB76 Table 2 Line 2: |
|
||||||||||||||||||||||||||||||||||||||||
| Catalogs: |
| ||||||||||||||||||||||||||||||||||||||||
| 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)
| ||||||||||||||||||||||||||||||||||||||||
Geography:
|
Statistics: This is 1 of 44248 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||||||||||||||||||||||
| Proximity search: | |||||||||||||||||||||||||||||||||||||||||
| Synonyms: |
ALHA762 (Added by JNG 2/23/06) Allan Hills No. 2 (Added by JNG 2/23/06) Allan Nunatak No. 2 (Added by JNG 2/23/06) | ||||||||||||||||||||||||||||||||||||||||