Loch_Bà,_Mull

Loch Bà (Mull)

Loch Bà (Mull)

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Loch Bà is a freshwater loch, about 5 km long, in the centre of the Isle of Mull, in Scotland. It is drained by the River Bà, flowing into Loch na Keal, a sea loch on the west of Mull.[1]

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Geography

The Loch Bà ring dike, found on the Isle of Mull in Scotland, serves as a classic example of a well formed ring dike.[2] This intrusive body forms an oval and its diameter can be measured at roughly 5.8 km by 8.5 km. The width of the dike varies throughout the profile, with a maximum width of approximately 300 meters. The composition varies from rhyolite to felsite, with phenocrysts of alkali feldspar and mafic minerals.[3]

References

  1. [1]
    "Loch Bà". British Lakes. Retrieved 3 June 2018.
  2. [2]
    Young, Davis A., Mind Over Magma: The Story of Igneous Petrology, Princeton University Press, 2003, pp. 341–42, ISBN 978-0691102795
  3. [3]
    Lockwood, John P. and Richard W. Hazlett, Volcanoes:Global Perspectives, Wiley-Blackwell (2010).[ISBN missing][page needed]
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