Discover: Heat: Blacksmith of the Earth
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Discusses volcanism and the rocks which result from heat. Explains the formation of igneous rocks and how to identify them. Explains the texture and characteristics of common igneous rocks. Identifies formations in which igneous rocks are found. Demonstrates volcanism with a miniature volcano. (WGBH-TV) Kinescope.
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- 16mm Filmography (legacy record) — title, year, creator, format, description, catalog record
Original permalink · Record added 2024-04-22 15:05:52