Narrow Vein Mining – Decreasing Selectivity in Mining through Pre-concentration

2nd Int'l Symposium on Mining Techniques of Narrow-Vein Deposits
Bern Klein, Andrew Bamber,
Abstract The integration of pre-concentration technology into the underground narrow-vein mining scenario has the potential to change the entire economics of utilizing bulk mining methods in these situations. An idealized underground mining and processing system is presented, comprising elements of bulk mining, underground pre-concentration and backfill. Though a systems engineering approach, the implications of enabling the utilization of bulk mining methods in a narrow-vein deposit through the implementation of this technology is considered. Parameters considered include orebody characteristics, mining rate, ore mineralogy, grade and metal value
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