Igneous Rocks

Duration: 23

Year Published: 1965

Creator: Johnson-Hunt Productions

Format: 16mm

Color: Color

Description: Explains the origin and classification of igneous rocks, examining the many types of rocks in this category, and pointing out their significant differences. Uses animated diagrams to show the various ways in which magma gets to the earth's surface, thus causing the various types of rocks. Contains scenes of mountain ranges and valleys composed of igneous rock and includes an examination of the volcanic origins of the Hawaiian Islands., Explains what igneous rocks are and how they are formed. Shows how volcanic action affects the earth's crust.

Complete Record: Explains the origin and classification of igneous rocks, examining the many types of rocks in this category, and pointing out their significant differences. Uses animated diagrams to show the various ways in which magma gets to the earth's surface, thus causing the various types of rocks. Contains scenes of mountain ranges and valleys composed of igneous rock and includes an examination of the volcanic origins of the Hawaiian Islands., Explains what igneous rocks are and how they are formed. Shows how volcanic action affects the earth's crust.NOTE: Two (or more) records have been merged together to create this data.