In places where there are lots of joints and bedding planes together, the cracks can start to form a cave. ISLA: All these cracks in the limestone explain why the caves get here and why they are ...

Limestone, made from calcium carbonate, takes millions of years to form. These sedimentary rocks are born from the decay and fossilization of marine organisms — think coral and clams.

The first is that they were formed by gradual yet extensive weathering of the area's Tamala Limestone. The second and third ...

The reports detail plans on how best to preserve the Point's limestone block, stepped stone, revetment and promenade.