Geology Pocket Guide
- Item #: 140
An Introduction to Familiar Rocks, Minerals, Gemstones and Fossils. Over fifty different rocks, minerals, gemstones and fossils are contained in this quick-reference guide. Each is represented by a color illustration and brief descriptions. Several maps show the location of extrusive igneous rocks, granite, coal, limestone, and iron ores throughout the United States as well as a Generalized Map of Major North American Rock Formations showing the location of igneous, sedimentary and metamorphic rock. This guide also includes: an introduction to geology, an introduction to "rockhounding", and four sections providing basic information on rocks, minerals, gemstones, and fossils. Fully opened this accordian-folded, laminated guide measures 8 1/4" x 22 1/4".