ISLA: To Traligill Caves! They’re in the North West Highlands GeoPark and they’re made of limestone. There are three cave entrances in the limestone in this area. But we have to be really ...

Limestone containing an 8 cm fossilized meteorite that fell on the seafloor 470 million years ago, and a fossil octopus shell. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy ...

Caption Standing on limestone beds of the pre-glacial Garvellach Formation, looking North from Garbh Eileach over to Dun Chonnuil. Due to tectonic tilting, the sedimentary layers get younger, and ...