An ancient landform resembling a reef that was “hidden” in plain view was discovered on the Nullarbor Plain, located along the Great Australian Bight coast in South Australia, by Curtin University researchers.
Research author Milo Barham, from Curtin University’s School of Earth and Planetary Science, said the remnants of the original sea-bed structure were discovered through new high-resolution satellite imagery and field work.
“The ring-shaped ‘hill’ cannot be explained by extra-terrestrial impact or any known deformation processes but preserves original microbial textures and features typically found in the modern Great Barrier Reef,” he said in a statement.
TanDEM-X Digital Elevation Model from the German Aerospace Centre. Red colours indicate higher elevations and show an unusual bulls-eye structure rising up to 10 metres (33 feet) above the surrounding plain, representing a remnant of an original biological mound from the time of deposition on the sea-floor around 14 million years ago. (Courtesy of Curtin University)
The ring structure was initially thought to be the discovery of the first meteorite crater of the Nullarbor Plain….
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