When is a volcano, not a volcano? When it is a sand volcano?

Along our coast from Doolin to the Shannon Estuary there are a few nice examples of sand volcanoes. Sand volcanoes are low conical mounds, often with a shallow central depression, …

One of the most striking features of the Burren are the vertical cracks or fissures in the limestone. They are known as ‘grikes’ although I prefer the local term ‘Scealps’. …

There are two main ways to know the age of a rock; the first is to identify the fossils and compare them with other layers in different places that have …