Guide for school children, amateur collectors, and others beginning to develop an interest in the rocks and minerals of Texas.

In 'Texas Rocks and Minerals: An Amateur's Guide,' Roselle M. Girard provides a comprehensive overview of the geology of Texas, focusing on the various rocks an

Earth's outer crust Geologists Time and rock units Geologic map What are rocks and minerals? Chemical elements Minerals Rocks Igneous rocks Extrusive or volcani