QUARTZITE IN CALIFORNIA; BULLETIN 187, 1966
San Francisco: California Division of Mines and Geology [1981], 1966. Soft cover. This report is concerned mostly with high-purity quartzite containing 95 to 100 percent pure SiO2. 58 pages with photomicrographs, maps, photographs, list of quartzite deposits in California, and index, plus four folded map plates in the rear pocket..... More