bulk mining

bulk mining

[¦bəlk ′mīn·iŋ]
(mining engineering)
Mining in which large quantities of low-grade ore are taken without attempt to segregate the high-grade portions.
References in periodicals archive ?
The Ardea concept to incorporate lower-grade, disseminated mineralisation into a potential bulk mining operation with DMS upgrade of feed grades, is consistent with major operations in the central Lachlan Fold Belt, which are all low grade, bulk excavation-based mines.
The latest reverse circulation (RC) drilling results confirm the potential for the Complex to host significant high-grade gold mineralisation commencing from surface that may be amenable to a large open cut bulk mining operation.
Some of the key milestones achieved include: Developed a new structural interpretation and geological model of the F2 Gold Deposit, showing more continuity of gold mineralization within the HiTi Basalt Units and potential amenability of bulk mining methods.
NAP has been employing a more efficient bulk mining method --known as sublevel shrinkage (SLS)--in the lower part of the mine that it intends to utilize at other near-surface resources on their property.
The previously planned pushback of the dormant Roby open pit is now replaced by an expansion of the underground mine using bulk mining methods to extract maximum value from several near-surface resources outside the original mine plan.
Moreover, facilities are provided in Sohar and Salalah Ports to transport the bulk mining materials, al- Sunaidy added in statements to reporters.
The Sandvik DR461i is a diesel-powered, self-propelled, crawler-mounted blasthole drill that is automation-ready and features forward-thinking design and technology for bulk mining operations.
- Potential underground mining using a smaller scale bulk mining method.
The geophysical characteristics of Svetlobor indicate the potential for open-pit bulk mining. Under Russian legislature, the PGM deposits are subsoil areas of federal importance and are deemed strategic for Russian national defence and state security.
Historical tailings are only in historical Pit 1 north of shaft #1.Frank Basa, Gold Bullion's CEO, remains confident in the potential of Granada as drill results continue to demonstrate the presence of progressively increasing widespread significant gold mineralization supportive of a near-surface low-grade bulk mining scenario.
“We are looking forward to presenting the latest evolution of advanced microseismic analysis, and demonstrating the value of integrating microseismic monitoring with mine operations.” Held every four years, the International Conference on Mass Mining is expected to attract over 700 delegates from all major mining companies around the world to discuss the latest advances in bulk mining.
Underground mining at 7500 tpd using bulk mining with a variation of sublevel open stoping.