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(Pt E36, E45-6, E56-7) Isle of Man (1:50,000/S&D)

(Pt E36, E45-6, E56-7) Isle of Man (1:50,000/S&D)

A geological map of the Isle of Man.

This map offers a comprehensive look at the island's complex geology, primarily comprising a thick pile of sedimentary rocks from the Ordovician period, alongside smaller areas of later sedimentary and extrusive igneous strata.

The larger part of the Isle of Man is formed from the Ordovician-age Manx Group, previously known as the Manx Slates. This group consists of various formations such as Creggan Mooar, Glen Rushen, and Barrule, providing a glimpse into the island's Arenig and Tremadocian-age geological history. Silurian-age rocks, forming the Niarbyl Formation, are also present.

Intrusive dykes of Ordovician to Silurian age can be found across the island. The map highlights the Devonian-age Peel Group, composed of reddish-brown sandstones, as well as the complex sedimentary rocks of the Carboniferous period found in the Langness Conglomerate Formation and the Great Scar Limestone Group.

Additionally, it covers the rich mineralization history of the Isle of Man, with lead, copper, zinc, and silver deposits, particularly around Foxdale and Laxey. The glacial legacy of the last Ice Age is also depicted, with widespread glacial till and Pleistocene sediments.

Geologically surveyed by G.W. Lamplugh from 1892-97 under the superintendence of H.H. Howell. Published with Drift October 1898. Reprinted 1966. Reprinted at 1:50 000 scale 1975.

Price: 13.00