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The Geology of Yorkshire in northern England shows a very close relationship between the major topographical areas and the geological period in which their rocks were formed. The rocks of the Pennine chain of hills in the west are of Carboniferous origin whilst those of the central vale are Permo-Triassic.
The geology of the Yorkshire Dales National Park in northern England largely consists of a sequence of sedimentary rocks of Ordovician to Permian age. The core area of the Yorkshire Dales is formed from a layer-cake of limestones , sandstones and mudstones laid down during the Carboniferous period.
The Yorkshire Dales are a series of valleys, or dales, in the Pennines, an upland range in England. They are mostly located in the ceremonial county of North Yorkshire , but extend into Cumbria and Lancashire ; they are entirely within the historic boundaries of Yorkshire .
Limestone pavement on Orton Scar, Cumbria, England. Limestone pavements can be found in many previously glaciated limestone environments around the world. Notable examples are found in the Yorkshire Dales and Cumbria in Northern England, such as those above Malham Cove, on the side of Ingleborough, and above Grange-over-Sands. [3]
The Three Counties System is a set of inter-connected limestone solutional cave systems spanning the borders of Cumbria, Lancashire and North Yorkshire in the north of England. The possibility of connecting a number of discrete cave systems in the area to create a single super-system that spans the county borders was first proposed by Dave ...
Swaledale at East Applegarth, near Richmond Ruined mine shop at Arn Gill. Swaledale is a typical limestone Yorkshire dale, with its narrow valley-bottom road, green meadows and fellside fields, white sheep and dry stone walls on the glacier-formed valley sides, and darker moorland skyline.
As can be seen from the geological map, the Yorkshire Coast is composed of shales, alluviums (sand, clay and gravel), oolites, limestones, mudstone, sandstones, ironstones and chalk. Typically, boulder clay [12] is the section alongside the North Sea in the East Riding of Yorkshire and has been the most prone to coastal erosion.
Yorkshire is drained by several rivers. In western and central Yorkshire, the many rivers empty their waters into the River Ouse, which reaches the North Sea via the Humber Estuary. [1] The most northerly of the rivers in the Ouse system is the River Swale, which drains Swaledale before passing through Richmond and meandering across the Vale of ...