The Earth's Crust

Year Published: 1969

Creator: British Broadcasting Corp TV

Format: 16mm

Sound: sound

Description: Describes the earth's crust as a thin skin of rock which slows down the cooling of the hot core and mantle. Tells how the temperature of the crust increases with depth and names the three main sources of heat. Explains the contracting earth theory. Describes earthquakes resulting from movement along faults and from volcanic eruptions.

No holdings listed.

Related films:

Original permalink · Record added: 2023-02-27 04:53:40