Magmas in Scotland

Synopsis: Begins by establishing that igneous rocks exist in Skye/BTVP, e.g. lava flow features. Paleo-magnetism reveals that magmatism was related to the opening of the Atlantic. What kind of magmas are involved, and why? Scenic and map-based overview of plateau basalts, gabbro (Cuillin) granits (Red Hills) anbd ignimbrites. Looks at a geochemical approach to constrain origins and relationships between these magmas. Compares Skye magmas with MORB of the Atlantic to conclude that contrasting lithospheric structure and processes influence magma compositions.
Series: How the Earth Works: The Earth’s Interior, Course S267
Language: English
Country: Great Britain
Medium: Video; Videocassette. Standard formats. col. 27 min.
Year of production: 1992
Availability: Sale; 1998 sale: £55.00 (+VAT +p&p)
Subjects: Geology
Keywords: igneous rocks; magmas; Scotland

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