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The Submarine Extensions of the Thorr and Fanad Plutons, County Donegal
D. Evans and R. J. Whittington
Proceedings of the Royal Irish Academy. Section B: Biological, Geological, and Chemical Science
Vol. 76 (1976), pp. 111-120
Published by: Royal Irish Academy
Stable URL: http://www.jstor.org/stable/20519007
Page Count: 10
You can always find the topics here!Topics: Plutons, Granite, Magnetism, Geology, Seas, Rocks, Gravitational anomalies, Outcrops, Quartzite, Headlands
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Geophysical data from the sea area to the north of County Donegal are interpreted to indicate the seaward extents of both the Thorr and Fanad plutons. It is shown that the Thorr pluton extends some 20 kilometres to the north-west of Bloody Foreland headland while the Fanad pluton, of which only a small part is seen on the coast, is also an areally extensive body. Interpretation of the gravity anomaly of the Fanad pluton suggests a maximum thickness of 3.5 kilometres.
Proceedings of the Royal Irish Academy. Section B: Biological, Geological, and Chemical Science © 1976 Royal Irish Academy