Gorge Gallery

Hamersley Gorge

Hamersley Gorge, carved from the massive bed of iron sediments constituting the Hamersley Ranges that accumulated during a billion years of pollution by oxygen, the waste gas discharged by photosynthetic cyanobacteria. Though the Hamersley iron deposits have been savagely eroded by wind, ice and water, there are still places where they are up to 2.5 km thick. Karijini National Park, Pilbara region, Western Australia

© Reg Morrison/AUSCAPE All rights reserved

Visitors on the swing bridge over the Makarora River with its crystal-clear water

Visitors on the swing bridge over the Makarora River with its crystal-clear water. The Blue Pools Track takes trampers across and along the river for 1.5 km in spectacular scenery. Mount Aspiring National Park, Otago, South Island, New Zealand

© Ian Beattie/AUSCAPE All rights reserved

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Detention Falls on the Detention River

Detention Falls on the Detention River cascading over quartzite rock into a pool 30 metres below. Detention Falls Conservation Area, Milabena, Northwestern Tasmania, Australia

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