Geologist Tony Lee reveals the hidden stories locked into the features of sedimentary rocks.

Transcript -- Two more igneous rocks

Geology is the scientific study of the Earth, its origin, structure, processes and composition. This album features The Open University's Glynda Easterbrook and fellow geologist Tony Lee as they visit Northern Ireland to look at some amazing rock forms and some fascinating successions of different depositional environments. This material forms part of The Open University course S260 Geology.