Rock drilled from Great Glen Fault gives rare look into distant geological past

Experts have been analysing the rocks since they were drilled in 2023 (British Geological Survey/PA) -

Geologists have been given a “one-of-a-kind” window into Scotland’s geological past as they analyse core rock drilled from the Great Glen Fault during investigations for a hydro-storage scheme.

The Great Glen Fault is the largest geological fault structure in the UK at more than 1,000km long and 40km deep, stretching from Ireland through Scotland to Norway.