If you’re from Texas you may have heard the story of Ol’ Rip, a lizard that was sealed in a time capsule for 30 years, but ...

Limestone is dissolved very slowly over a period of time. Erratics at Norber are boulders of gritstone standing on a plinth of limestone. The boulders protect the limestone from chemical weathering.

Limestone, made from calcium carbonate, takes millions of years to form. These sedimentary rocks are born from the decay and ...

Shake holes are formed in limestone landscapes when boulder clay is washed down through cracks or gaps in the underlying limestone.