Henbury
The Henbury Meteorites Conservation Reserve in Australia's Northern Territory preserves a field of over a dozen impact craters, formed by a fragmented meteorite. It is recognized as one of the world's best-preserved small crater fields and was the earliest documented impact site in Australia, holding cultural significance for local Aboriginal peoples.
Key Facts
- ›Contains 13 to 14 impact craters ranging from 7 to 180 meters in diameter.
- ›The impact event occurred less than 4,700 years ago.
- ›Several tonnes of iron-nickel meteorite fragments have been recovered from the site.
- ›Discovered in 1899 by the manager of the nearby Henbury Station.
- ›First scientific investigations were published in 1932.
- ›Considered a sacred site by the Arrernte people.
Iron-Nickel Fragments
About Henbury
Henbury Meteorite Craters
The Henbury Meteorite Craters are a significant impact site located within the Henbury Meteorites Conservation Reserve in the Northern Territory of Australia. This reserve protects a field of over a dozen impact craters, formed by the fragmentation and impact of a meteorite. It is recognized as one of the world's best-preserved examples of a small crater field and holds the distinction of being the earliest documented impact cratering site in Australia.
Description and Formation
The Henbury craters result from a meteorite impact that occurred less than 4,700 years ago. The impact event involved a meteorite that broke apart before reaching the Earth's surface, creating multiple craters. These range in diameter from 7 to 180 meters and reach depths of up to 15 meters. Several tonnes of iron-nickel meteorite fragments have been recovered from the site, providing valuable material for scientific study. The site's preservation is considered exceptional for a small crater field.
Discovery and Scientific Investigation
The craters were first discovered in 1899 by the manager of the nearby Henbury Station. However, they did not attract significant scientific attention until after the 1930 Karoonda meteorite fall in South Australia. The first formal scientific investigations were undertaken by A.R. Alderman of the University of Adelaide, whose findings were published in 1932. Since then, numerous studies have been conducted at the Henbury site.
Cultural Significance
The Henbury crater field holds deep cultural significance for the Indigenous Australian peoples of the region, including the Arrernte, Luritja, Pitjantjatjarra, and Yankunytjatjara language groups. It is considered a sacred site, and oral traditions suggest a living memory of the impact event. Some Aboriginal elders spoke of a 'fire-devil' coming from the Sun, which contributed to the craters' formation. These beliefs highlight the profound connection between the local communities and the geological history of the land. The Arrernte name for the crater field is Tatyeye Kepmwere or Tatjakapara.
Conservation and Recognition
In recognition of its scientific and cultural importance, the Henbury Meteorites Conservation Reserve was listed on the Register of the National Estate. The craters themselves were listed on the Northern Territory Heritage Register on August 13, 2003, ensuring their ongoing protection and preservation for future generations.
Source: Wikipedia ↗
Frequently Asked Questions
Where is the Henbury impact crater located?
The Henbury craters are located in the Northern Territory of Australia, approximately 125 kilometers (78 miles) southwest of Alice Springs. The area is now protected as the Henbury Meteorites Conservation Reserve.
How old are the Henbury craters?
The Henbury impact site has been dated to less than 4,700 years ago, based on cosmogenic 14C terrestrial age. Fission track dating provided an age of 4.2 ± 1.9 thousand years ago.
What is the size of the Henbury craters?
The Henbury crater field consists of over a dozen craters, with diameters ranging from 7 to 180 meters (23 to 591 feet). Some craters reach depths of up to 15 meters (49 feet).
What type of meteorite caused the Henbury craters?
The craters were formed when a fragmented meteorite, composed of iron-nickel, struck the Earth's surface. Several tonnes of these meteorite fragments have been recovered from the site.
What is the cultural significance of the Henbury craters?
The Henbury crater field is considered a sacred site by the Arrernte people and other local Aboriginal language groups. Stories passed down indicate a living memory of the impact event, with some traditions associating it with a 'fire-devil' from the Sun.
When were the Henbury craters discovered?
The Henbury craters were first discovered in 1899 by the manager of the Henbury Station. However, they remained largely uninvestigated until scientific interest was reignited by the Karoonda meteorite fall in 1930.
Related Impact Craters
Campo del Cielo
Campo del Cielo is a significant iron meteorite strewn field and impact crater area located in Argentina, discovered in 1576. The site encompasses at least 26 craters and has yielded approximately 100 tonnes of meteorite fragments, making it the most recovered meteorite material on Earth.
Goat Paddock
Goat Paddock Crater is an ancient meteorite impact structure located in the Kimberley Region of Western Australia. Its interpretation as an impact crater is supported by geological evidence such as breccia, silica glass, shatter cones, and shocked quartz, with its minimum age estimated to be from the Early Eocene based on lake sediments filling the site.
Wolfe Creek
Wolfe Creek Crater, also known as Kandimalal by the local Djaru people, is a remarkably well-preserved meteorite impact crater located in Western Australia. Its pristine condition makes it a significant geological site, comparable to the Barringer Crater in Arizona, and it holds deep cultural importance for Indigenous Australians.