Skiddaw slate is an early Ordovician metamorphosed sedimentary rock, as first identified on the slopes of Skiddaw in the English Lake District. The Ordovician is a geologic period and system, the second of six of the Paleozoic era, and covers the time between 488 Sedimentary rock is one of the three main rock types (the others being igneous and Metamorphic rock) |} Skiddaw is a Mountain in the Lake District National Park in the United Kingdom. England is a Country which is part of the United Kingdom. Its inhabitants account for more than 83% of the total UK population whilst its mainland The Lake District, also known as The Lakes or Lakeland, is a rural area in North West England.
The base of this series is unknown. The thickness could, therefore, amount to several thousand feet of sediment. These sediments were formed about 500 mya by deposition in a shallow sea, low-energy environment. The series contains differing grain sizes and comprises grits, flags, shales and mudstones. Flagstone is a type of flat stone, usually used for paving slabs but also for making Fences or Roofing. Shale (also called mudstone) is a fine-grained Sedimentary rock whose original constituents were Clay minerals or Muds It is characterized by Mudstone (also called mudrock) is a fine grained Sedimentary rock whose original constituents were Clays or Muds Grain size is up
In some places, there is evidence of intrusion of Skiddaw Granite into the Skiddaw Slates, close to the anticlinal axis of the Lake District. In Geology, an intrusion is a body of Igneous rock that has Crystallized from molten Magma below the surface of the Earth.
Skiddaw slate has a greenish hue and is used for building, in the Lake District. The traditional buildings of Keswick and other settlements are almost entirely of Skiddaw slate. Keswick (pronounced "kez-ick" /ˈkɛzɪk/ is a Market town within the district of Allerdale, Cumbria, England. The slate is also used for making souvenirs, monuments, ornaments etc. Smaller fragments are used for gravels, for ornamental pathways.
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