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The Conversation

Milo Barham, Associate Professor, Earth and Planetary Sciences, Curtin University

Limestone and iron reveal puzzling extreme rain in Western Australia 100,000 years ago

Australia Western Australia Earth

Limestone pinnacles of the Nambung National Park karst. Matej Lipar

Almost one-sixth of Earth’s land surface is covered in otherworldly landscapes with a name that may also be unfamiliar: karst. These landscapes are like natural sculpture parks, with dramatic terrain dotted with caves and towers of bedrock slowly sculpted by water over thousands of years.

Karst landscapes are beautiful and ecologically important. They also represent a record of Earth’s past temperature and moisture levels.

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