launched a new range of drill bits . MiningMetalnews
Aug 4, 2017 . The tool life improvements delivered by the UNIFACE design also yield . Johan Bergquist, global product line manager DTH tools, Mining and Rock Technology. . Mining company Nordic Mines has received a $ 500,000 .. Australian miner acquires stake in African copper cobalt project.
Boart Longyear Adds Down the Hole (DTH) Drilling Tools by .
Apr 29, 2014 . Boart Longyear Adds Down the Hole (DTH) Drilling Tools by Launching Its . energy, mine de watering, oil sands exploration, and production drilling. . copper, gold, nickel, zinc, uranium, and other metals and minerals.
Innovations: Introduction to Copper: Mining & Extraction
Copper minerals and ores are found in both igneous and sedimentary rocks. Mining of copper ores is carried out using one of two methods. . containers, ornaments, coinage, knives, razors, tools, musical instruments and weapons of war.