Catalogue


Planet earth. gifts from the earth [videorecording] /
WQED/Pittsburgh in association with National Academy of Sciences ; producer, Gregory Andorfer ; screenwriters, Gregory Andorfer, Georgann Kane.
imprint
Pittsburg, PA : WQED : National Academy of Sciences, 1986.
description
1 videocassette (58 min.) : sd., col. ; 1/2 in. (VHS)
format(s)
Videocassette
Holdings
More Details
imprint
Pittsburg, PA : WQED : National Academy of Sciences, 1986.
credits note
Camera, Norris Brock ; editor, Clifford Hoelscher ; music, Jack Tillar, William Loose.
general note
Cassette marked, program 5 of 7. Cassette cover reads, series of 28 programs.
abstract
Shows how minerals can be concentrated from diffuse low-level sources into economic ore deposits and how their distribution depends on local history or plate tectonic activity. Discusses the nature of fossil fuels, investigates their origin and distribution and explores alternatives. Coal, oil and gas, uranium and alternative energy sources are examined.
catalogue key
2489124

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