Technical Resource Document: Extraction and Beneficiation of Ores .
Aug 31, 1990 . 1.4 LEAD ZINC EXTRACTION AND BENEFICIATION PRACTICES . .. may be attributed to opening new mines, such as the Red Dog Mine in . Replacement and vein type deposits make up a smaller portion of mined lead and zinc ores. .. for additional crushing, grinding, classification, and concentration.
3 Technologies in Exploration, Mining, and Processing .
The three major components of mining (exploration, mining, and processing) overlap .. Exploration geologists are now developing new ore deposit models to . typical porphyry copper deposit, which is currently one of the primary types of .. Nevada, and zinc from geothermal brines in the Salton Sea in California); (3).Get Price