Tessellated Pavement, Tasman National Pa

Wow!!! This is amazing. The cracks in the rock are helped along by the tide. The tide comes in, saltwater penetrates the rock cracks and surface. The tide goes out, salt crystals from on and between the rock grains as water evaporates. Over time, the salt water crystals grow, pushing the rock grains apart.

The silt from the central and western part of Tasmania moved 290-265 million years ago, creating siltstone that can crack, making it suitable for the saltwater to crack the stone. A process that began 160-60 years million years ago.Read more