Iron-oxide bands in sandstone at Painted Cliffs – Maria Island, Tasmania, Australia

Iron-oxide bands in sandstone at Painted Cliffs – Maria Island, Tasmania, Australia

Lichen, composite organism that emerges from algae or cyanobacteria, gives the rocks in the Bay of Fires their orange colour.

Lichen, composite organism that emerges from algae or cyanobacteria, gives the rocks in the Bay of Fires their orange colour.

Bruny Island Tasmania

Bruny Island Tasmania

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