Download or read book Northern Sierra Madre Occidental Gold-silver Mines, Mexico written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This guidebook was prepared for the Society of Economic Geologists field trip, October 5-9, 2010. It includes two reprinted papers as well as new material and field trip notes on the gold and silver mines of the northern Sierra Madre Occidental volcanic province of Sonora, Mexico.