By far, one of the best references and study guides for prospectors and rockhounds alike. The author is a registered geologist with a B.S. and M.S. in mining geology. He has worked as a staff and consulting exploration geologist and project coordinator for various companies in the western United States and internationally for more than 20 years.
This book is loaded with helpful charts, diagrams and illustrations. It covers: introduction to minerals, understanding and identifying rocks, Magmatic deposits, hydrothermal deposits, secondary deposits, placer deposits, gemstones, using maps and doing research, prospecting techniques, and notes on filling a mining claim. A very useful reference for the serious gold hunter. Pgs. 130. L.J. Ettinger