Huckitta (meteorite)

Huckitta
Huckitta
Type Stony-iron
Class Pallasite
Group Main Group Pallasite
Structural classification Medium octahedrite
Composition metal: 7.79% Ni, 26 ppm Ga, 65ppm Ge, 0.94ppm Ir
Country Australia
Region Northern Territory
Coordinates [1]
Observed fall No
Fall date Prehistory
Found date 1924
TKW 2300 kg

Huckitta is a pallasite meteorite recovered in 1937 from Huckitta Cattle Station, Northern Territory, Australia.

Contents

History

In 1924 a meteoritic mass of 1084 grams was found by Herbert Basedow on Burt Plain (23°33'S, 133°52'E), about 17 km north of Alice Springs. This mass was called Alice Springs. In July 1937, the main mass of 1411.5 kg was found and recovered by Cecil Madigan[2] at Huckitta (22°22'S, 135°46'E). Over 900 kg of iron shale was also found. The Alice Springs meteorite was then paired with the main mass and considered a transported fragment. Today the location of the site where the main mass was found is on Arapunya Cattle Station, which had been part of Huckitta Cattle Station but was excised from it after the meteorite had been recovered.

Composition and classification

It is a pallasite related to Main Group of pallasites. This pallasite is severely weathered: almost all of the metal is highly oxidized and transformed into hematite and magnetite, and olivine crystals are often altered. Sometimes it is called an anomalous Main Group pallasite because, compared to other Main Group pallasites, it has rather high Ge and Ga contents, higher Pt, W, Ir, and lower Au content.

Specimens

Main mass, Adelaide, South Australian Museum; 4.3 kg Fort Worth, Texas, Monnig Collection; 2.2 kg Tempe, Arizona State University; 1 kg London, Natural History Museum; 733 g Mainz, Max Planck Institute; 403 g Washington, D.C., National Museum of Natural History; 352 g Chicago, Field Museum of Natural History.

Notes

  1. ^ Meteoritical Bulletin Database: Huckitta
  2. ^ Online Edition of Australian Dictionary of Biography: Madigan, Cecil Thomas (1889 - 1947)

See also

External links