Henbury Meteorites Conservation Reserve
|Henbury Meteorites Conservation Reserve|
Henbury Meteorites Conservation Reserve
|Nearest town or city||Alice Springs|
|Area||16 hectares (40 acres)|
|Managing authorities||Parks and Wildlife Commission of the Northern Territory|
|See also||Protected areas of the Northern Territory|
The reserve is located 145 km (90 mi) south west of Alice Springs and contains over a dozen craters, which were formed when a fragmented meteorite hit the Earth’s surface.
Henbury is one of five meteorite impact sites in Australia with remaining meteorite fragments and one of the world's best preserved examples of a small crater field.
At Henbury there are 13 to 14 craters ranging from 7 to 180 m (23 to 591 ft) in diameter and up to 15 m (49 ft) in depth that were formed when the meteor broke up before impact. Several tonnes of iron-nickel fragments have been recovered from the site. The site has been dated to ≤4.7 thousand years ago based on the cosmogenic 14C terrestrial age of the meteorite and 4.2±1.9 thousand years ago using fission track dating.
The craters are named for Henbury Station, a nearby cattle station named in 1875 for the family home of its founders at Henbury in Dorset, England. The craters were discovered in 1899 by the manager of the station, then went uninvestigated until interest was stirred when the Karoonda meteorite fell on South Australia in 1930. The first scientific investigations of the site were conducted by A.R. Alderman of the University of Adelaide who published the results in a 1932 paper entitled The Meteorite Craters at Henbury Central Australia. Numerous studies have been undertaken since.
The Henbury crater field lies at the crossroads of several Aboriginal language groups, including Arrernte, Luritja, Pitjantjatjarra, and Yankunytjatjara. It is considered a sacred site to the Arrernte people and would have formed during human habitation of the area. J.M. Mitchell said that older Aboriginal people would not camp within a couple of miles of the Henbury craters. An elder Aboriginal man that accompanied Mitchell to the site explained that Aboriginal people would not drink rainwater that collected in the craters, fearing the "fire-devil" would fill them with a piece of iron. The man claimed his paternal grandfather had seen the fire-devil and that he came from the Sun. An Aboriginal contact said of the crater field: tjintu waru tjinka yapu tjinka kurdaitcha kuka, which roughly translates in the Luritja language as A fiery devil ran down from the Sun and made his home in the Earth. He will burn and eat any bad blackfellows. This indicates a living memory of the event.
A different story was recorded by Charles Mountford  that attributed the largest crater's formation to an anthropomorphic lizard woman (called Mulumura) tossing soil out of the crater, forming its bowl-shape. The soil discarded by Mulumura explained the piles of meteoritic iron around the craters and the presence of ejecta rays (which are unique to terrestrial impacts but are now gone due to prospecting at the site). This probably relates to Dreaming stories about ancestral lizard beings from the area of Henbury station near the Finke River, just north of the crater field. The Parks & Wildlife Commission of the Northern Territory give the Arrernte name for the crater field as Tatyeye Kepmwere (or Tatjakapara).
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- "Terrestrial Protected Areas by Reserve Type in the Northern Territory (2012)". Department of Environment. 2012. Retrieved 11 April 2015.
- Haines P.W. (2005). Impact cratering and distal ejecta: the Australian record. Australian Journal of Earth Sciences, Volume 52, pp. 481–507. Abstract
- Kohman T. P. and Goel P.S. (1963). Terrestrial ages of meteorites from cosmogenic 14C. In: Radioactive Dating, pp. 395–411. International Atomic Energy Agency, Vienna.
- "Henbury". Earth Impact Database. University of New Brunswick. Retrieved 2009-08-19.
- Henbury Meteorites Conservation Reserve Draft Plan of Management 2002 Archived 2006-09-17 at the Wayback Machine. Parks and Wildlife Commission of the Northern Territory. ISBN 0-7245-2765-6
- Alderman, A.R. (1931). The meteorite craters at Henbury, Central Australia with an addendum by L.J. Spencer, "Mineralogical Magazine", Volume 23, pp. 19-32.
- Hamacher, D.W. and Norris, R.P (2009). Australian Aboriginal Geomythology: Eyewitness Accounts of Cosmic Impacts? Archaeoastronomy: the Journal of Astronomy and Culture, Volume 22, pp. 62-95. Bibcode: 2009Arch...22...62H
- Mitchell, J.M. (1934). Meteorite Craters - Old Prospector's Experiences. The Advertiser, Adelaide, South Australia, Thursday, 11 January 1934, p. 12.
- Hamacher, D.W. and Goldsmith, J. (2013). Aboriginal Oral Traditions of Australian Impact Craters. Journal of Astronomical History and Heritage, Volume 16(3), pp. 295-311
- Mountford, C.P. (1976). Nomads of the Australian Desert. Rigby, Ltd., Adelaide, pp. 259-260.
- Svend Buhl, Don McColl: Henbury Craters & Meteorites - Their Discovery, History and Study. Edited by S. Buhl, Meteorite Recon, Hamburg 2012, ISBN 978-3-00-039026-5.
- Official website
- Mindat.org - Henbury meteorite, Henbury Cattle Station, Alice Springs, Gardiner Range, MacDonnell Shire, Northern Territory, Australia
Rio Cuarto craters
| The last impact event on Earth
4.2 thousand years ago—660 BC