Igneous Rocks(40 slides) $80

The Rock Cycle, Bowen's Reaction Series, order of crystallization, mineral composition and texture of igneous rock types, photomacrographs of all textures in intrusive and extrusive rocks, thin sections in crossed polaroids to show interlocking minerals, flow chart for igneous rock classification, graphics showing relative abundance of igneous rock types in the Earth's crust.

Copyright 1999 by Pan Terra Inc., PO Box 556, Hill City, SD, USA 57745.

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