Thera is also of special interest to geologists owing to its remarkable volcanic phenomena.
In the African portion Ruwenzori is regarded by some geologists to be a block mountain or horst.
PRE-Roman Britain Geologists are not yet agreed when and by whom Britain was first peopled.
A feature of special interest to geologists in the present conditions of the island is the great power of the wind both as a transporting and denuding agent.
A few geologists regard the sedimentary rocks here classed as Keweenawan as Palaeozoic; but they have yielded no fossils, and are unconformable beneath the Upper Cambrian, which is the oldest sedimentary formation of the region which bears fossils.