Our earth. Pushing and shoving / [presenter Ben Young] ; [narrator Karina Kelly] ; [writer/producer Dick Beilby].

Volcanoes and earthquakes are only part of a bigger picture. Tectonic forces also push continents around and cause mountains to be uplifted. The crust recycles itself. The lighter rocks of the continents float on the heavier rocks of the mantle.

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Bibliographic Details
Main Author: Beilby, Dick (Author, Producer)
Other Authors: Kelly, Karina (Narrator)
Format: Video
Published: [Place of publication not identified] : Australian Broadcasting Corporation, 2003.
Series:Academic Video Online
Online Access:Click for online access