Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies.
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.
WHO WE ARE. Shanghai GBMachine Mining and Construction Machinery Co., Ltd. is a hi-tech, engineering group. We are specialized in the research, development, and production of industrial crushing, powder grinding, mineral processing equipments and other related devices.
We are experiencing a lot of trash metal (excavator and loader teeth, drill bits etc.) going through and damaging our Primary Crusher. Is there any scanning or detection technology out there that can identify exotic objects after it has been tipped in by the loader, but before it goes through the cr
The Sino iron project will be the world's biggest magnetite iron ore mine when fully operational. The open-pit mine, located in Cape Preston, about 100km south-west of Karratha in the Pilbara region of Western Australia, will produce magnetite concentrate and pellets.