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Volcanism /

Volcanoes provide clues about what is going on inside Earth. Animations illustrate volcanic processes and how plate boundaries are related to volcanism. Also surveys the various types of eruptions, craters, cones and vents, lava domes, magma, and volcanic rock. The 1980 eruption of Mount St. Helens...

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Bibliographic Details
Corporate Authors: INTELECOM Intelligent Telecommunications (Firm), Annenberg/CPB
Other Authors: Sadd, James, Gilfillan, David
Format: Video
Language:English
Language Notes:Closed captioned.
Published: South Burlington, Vt. : Annenberg/CPB, ©1992.
Series:Earth revealed ; 13.
Subjects:
Volcanoes > Eruption.
Volcanism.
Plate tectonics.
Geology, Structural.
Geomorphology.
Earth sciences.
Physical geology.
Geology.
Saint Helens, Mount (Wash.) > Eruption, 1980.
Geology
Tectonique des plaques.
Géomorphologie.
Sciences de la terre.
Géologie physique.
Géologie.
Saint-Helens, Mont (Wash.) > Éruption, 1980.
Washington (State) > Mount Saint Helens.
1980
Digital video.
Streaming multimedia.
Video recordings for the hearing impaired.
Vidéos pour personnes handicapées auditives.
Online Access:Connect to this streaming video (Alexander Street Press)

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