Mountain Building in the Western Himalayas

Synopsis: Evidence for two mountain-building processes: magmatism at continental margins and crustal thickening following continental collision, with the Karakorum geotraverse in the Himalayas as example. Discusses the consequences of earthquake activity associated with rapid uplift. Observes and discusses pillow lavas, magma chamber cumulates and crystalline basement, outcrop, folding, stretching lineation, shear belts, augengneiss, and thrust belt ranges in the foreland basin. Shows how a disastraous flash flood in 1842 was the result of movement on a thrust belt. Locates the fault zone that brought metamorphosed crust of the Indian continent onto recent fluvioglacial sediments - a consequence of the rapid uplift of the Nanga Parbat massif within the last 10 million years.
Series: Understanding the Continents, Course S339
Language: English
Country: Great Britain
Medium: Video; Videocassette. Standard formats. col. 25 min.
Year of production: 1990
Availability: Sale; 1999 sale £85.00 (+VAT +p&p)
Subjects: Geology
Keywords: Himalayas; lithosphere; mountains; plate tectonics

Cast

Nigel Harris
Robert Butler

Name: Open University Worldwide
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