Castletown, Isle of Man Peel and Ramsey, one of four town local authorities. They were all designated as towns by the Town Act 1852. Castletown became a local authority in 1883. Until 2016 Castletown was also a House of Keys constituency, electing one Member of the House of Keys (MHK). The town's representative until 2011 was Tony Brown, who was the Chief Minister of the Isle of Man after the Manx general election, 2006. He retired in 2011 and was replaced as MHK for Castletown by Richard Ronan. Since 2016 Castletown has been part of the Arbory, Castletown & Malew constituency. In 1874, the
Geography of the Isle of Man the Ordovician period. There is a belt of younger Silurian rocks along the west coast between Niarbyl and Peel, and a small area of Devonian sandstones around Peel. A band of Carboniferous period rocks underlies part of the northern plain, but is nowhere seen at the surface; however similar age rocks do outcrop in the south between Castletown, Silverdale and Port St Mary. Permo-Triassic age rocks are known to lie beneath the Point of Ayre but, as with the rest of the northern plain, these rocks are concealed by substantial thicknesses of superficial deposits. The island has significant deposits of