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  1. Crust and Mantle (1982 Video)

    Subject
    Geology
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Compares the composition of the earth’s upper mantle, oceanic crust, upper and lower continental crust and shows how the chemical compositions of these regions are related to their mineral chemistry. The...

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  2. Lavas of Etna (1981 Video)

    Subject
    Geology
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    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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  3. Volcanoes of the Kenya Rift (1990 Video)

    Subject
    Geology
    Distribution
    Sale, DVD (PAL, 28 minutes), £34.99

    Volcanoes of the East African Rift provide first-hand evidence of the evolution of continental lithosphere. Discusses the history of crustal and mantle processes thought to occur under the rift. Describes...

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