Series:

Thumbnail	Title	Series Number	Date	Description
	The origin of the earth		28 February 1981	By examining chemical and physical evidence a chemical model of the Earth is built up tracing its...
	The terrestrial planets		04 July 1981	The programme examines the geological evolution of the terrestrial planets from data obtained by...
	Crust and mantle		28 March 1981	The programme compares the composition of the Earth's upper mantle, oceanic and upper and lower...
	Beneath Scotland		11 April 1981	The programme continues from T.V.3 with the case study of the continental crust beneath Scotland. A...
	Melts to minerals		30 May 1981	The programme looks at why crystal minerals or phenocrysts form in lava and why one molten lava...
	Oil from small beginnings		15 August 1981	The programme examines the evidence available and describes the optimum geological conditions for...
	The search for oil		29 August 1981	Today, the search for oil is intimately linked with high technology exploration tools, like seismic...
	Voyager's travels		12 September 1981	In 1979, two unmanned Voyager spacecraft were launched on a mission which would eventually send...
	After the earthquake		14 March 1981	This programme examines the scale of energy involved in earthquakes and demonstrates practically...
	Ocean crust		02 May 1981	This programme provides earth scientists with an introduction to the structure, formation and...