Survey to obtain details of Hickman Crater
31 May 2011
Scientists will have a much clearer picture soon of the Hickman impact crater north of Newman in Western Australia.
A detailed airborne geophysical survey of the crater, which was discovered by geologist Dr Arthur Hickman in 2007, is being undertaken by Geoscience Australia on behalf of the Geological Survey of Western Australia.
The survey aircraft will fly 40 metres above the crater along north - south lines spaced 30 metres apart to obtain detailed airborne magnetic, radiometric and elevation data over the crater. The detailed survey is part of a regional survey to obtain 133 000 line kilometres of new airborne geophysical data in the South Pilbara region of Western Australia.
The Hickman impact crater is about 260 metres wide and 30 metres deep and is believed to be between 50 000 and 100 000 years old.
Dr Hickman, who is a project manager in the Geological Survey of Western Australia Pilbara Craton project, discovered the feature while looking on Google Earth for prospective areas to locate iron ore. He subsequently sent a screenshot to a colleague at the Australian National University who confirmed it to be a well-preserved meteor crater.
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