Legacies of the Ice Age

Series: Earth Science Series

Duration: 12

Genre: Educational

Year Published: 1971

Creator: Indiana U Audio-Visual Center

Format: 16mm

Color: Color

Sound: sound

Copyright: Registered 27Oct71 · MP22132 (Jan-Jun 1972) Copyright holder: Indiana University

Description: Explains that glaciers form when more snow falls than melts, describes forces which cause glacial movement, and depicts the resulting effects upon the earth's surface. Discusses two types of glaciers: mountain glaciers which form cirques and horns by widening and deepening mountain valleys; and continental glaciers, which remove soil, scar exposed rocks, and fill and smooth uneven land. Points out that glaciation provides fertile farm soils; deposits of sand, gravel, clay, and underground waters; and pure, glacial lakes., Discusses glaciers and their movement and effects upon the earth's surface.

Complete Record: Explains that glaciers form when more snow falls than melts, describes forces which cause glacial movement, and depicts the resulting effects upon the earth's surface. Discusses two types of glaciers: mountain glaciers which form cirques and horns by widening and deepening mountain valleys; and continental glaciers, which remove soil, scar exposed rocks, and fill and smooth uneven land. Points out that glaciation provides fertile farm soils; deposits of sand, gravel, clay, and underground waters; and pure, glacial lakes., , Discusses glaciers and their movement and effects upon the earth's surface. NOTE: Two (or more) records have been merged together to create this data.