Geological Work of Ice
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What happens when water freezes and ice thaws. Ice rivers—glaciers, of today and of the past. Evidences of ice age, terminal moraines, striated and grooved rocks, eskers, cirques, hanging valleys, fjords. (See also Col. 49a.)
Complete catalog record
Explains how ice, through geologic ages, has been a powerful factor in sculpturing the face of the earth. Reveals the tremendous effect of ice upon soil and rock as the ice constantly expands, contrasts, and moves. Illustrates how glaciers form, move and alter surroundings terrain features. Animated drawings explain the Pleistocene glaciation period. For high school, college, and adult groups.
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, catalog record
- Bell & Howell Filmosound Library Catalog of Educational Motion Pictures, 1942 — title, creator, length, format, color, sound, genre, description
Original permalink · Record added 2024-09-08 02:50:31