Whin Sill wikipedia - Search
  1. Derivation of name

    Much of the early study of geology began in the British Isles, whence much of the terminology is derived. Quarrymen of … See more

    Whin Sill - Wikipedia

    • The Whin Sill or Great Whin Sill is a tabular layer of the igneous rock dolerite in County Durham, Northumberland and Cumbria in the northeast of England. It lies partly in the North Pennines Area of Outstanding Natural Beauty and partly in Northumberland National Park and stretches from Teesdale northwards towards Berwick. It is one of the key … See more

    Geology

    Towards the close of Carboniferous Period and in the early Permian, some 295 million years ago (Ma), crustal extension caused by movement of the Earth's tectonic plates during the Variscan orogeny allowed the emplaceme… See more

    Effects on landscape and geography

    The regolith supports alpine/Arctic flora which includes spring gentian (Gentiana verna), bird's-eye primrose (Primula farinosa), mountain avens (Dryas octopetala) and Teesdale violet (Viola rupestris). … See more

     
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  1. The Whin Sill - Geology North

    WEBThe Whin Sill forms a continuous system of true sills along with many dykes that occupy approximately 4,500km 2 of Northumberland, …

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    • Hadrian's Wall & the Great Whin Sill - The Geological Society

    • The Great Whin Sill | VolcanoCafe

    • Whin Sill – North Pennines National Landscape

      WEBWhat's special? Whin Sill The Whin Sill is one of the special geological features of the North Pennines and forms some of the area’s most dramatic landscapes. Molten origins The hard, dark rock of the Whin Sill was …

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    • The Geomorphology of the Whin Sill | SpringerLink

    • The Great Whin Sill in Teesdale - Geology North

      WEBUpper Teesdale marks the southern limit of the tholeiitic quartz-dolerite sheets and dykes that make up the Great Whin Sill, intruded around 295 million years ago. Here and in nearby West Allendale, the sill reaches …

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    • Lecture: Whin Sill intrusion & Geology of the Alston Block

      WEBSep 3, 2020 · The Whin Sill intrusion has given rise to many of the scenic features in the northern Pennines, such as High Force waterfall and the escarpment along which Hadrian’s Wall is built. This illustrated talk will …

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    • Whin Sill | geological feature, England, United Kingdom

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    • The age and composition of the Whin Sill and the related dikes of …

    • Early Permian magmatism, Northern England - MediaWiki

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    • Whin Sill [75 photos] :: Geograph Britain and Ireland

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