Siccar Point - crucible of geology
38:21
The Highlands Controversy - revisited: geo-interpretation lessons from history
18:28
Eclogites at Cignana - a walk into a subducted ocean
13:00
The man who discovered the 'abyss of time' - BBC News
43:36
How Geologists Discovered and Mapped a Great Seaway
7:01
Siccar Point - the birthplace of modern geology
15:00
Europe's most devastating geo-disaster - Lisbon 1755
15:00
The tectonics of slate belts - a view from N Wales
20:46