Geology Of The Isle Of Man
The geology of the Isle of Man consists primarily of a thick pile of sedimentary rocks dating from the Ordovician period, together with smaller areas of later sedimentary and extrusive igneous strata. The older strata was folded and faulted during the Caledonian orogeny, Caledonian and Acadian orogeny, Acadian orogeny, orogenies The bedrock is overlain by a range of glacial and post-glacial deposits. Igneous intrusions in the form of dike (geology), dykes and plutons are common, some associated with mineralization (geology), mineralisation which spawned a minor metal mining industry. Ordovician and Silurian The larger part of the island is formed from rocks of Ordovician age which were traditionally known as the Manx Slates but are now referred by geologists to the Manx Group. The relationships between the various different formations which constitute this sequence is often obscured by fault (geology), faulting but the sequence is considered to be: *Creggan Mooar Formation (''you ...
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