Note: Each sample is numbered according to a system of identification, so the visible numbers labeled on some of the samples will denote its scientific name. Use the navigation TAB or the BACK button ...

In Northern Ireland, we have a diverse range of rock forms. Basalt rock comprises most of County Antrim’s geological map, while sandstone and slate comprise most of Down and some of Armagh.

Margherita Mussi, published in Quaternary International, highlights how naturally occurring basalt spheres may have ... deposits where the relatively heavy rock spheres are at odds with the ...