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Filmed in Montserrat, Haiti, Iceland, the Alps and the UK, this DVD provides examples and explanations of the processes, features and landforms that occur at different plate margins. The resource then looks...
Explains why phenocrysts (large mineral crystals) form in lava flows and why one molten lava forms phenocrysts of a different mineral from another. Examines the crystallisation and melting behaviour of...
Surface features and structural differences between older and younger basaltic flows of an active volcano, Mt Etna, are illustrated. Rock samples from the two, rather distinct layers reveal differences in...
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