Opening Hour

Mon - Sun, 08:00 - 24:00

Call Us

+86-21-58386189

Glossary of Mining Terms

Glossary of Mining Terms

+

A. Abutment In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back ...

Iron processing |

Iron processing |

+

Iron processing: Iron processing, use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting.

The Mining Boom []

The Mining Boom []

+

Once the loose chunks of gold were removed from the surface, large machinery was required to dig into the earth and to split the quartz where the elusive gold .

Mining History of the Western Mojave Desert

Mining History of the Western Mojave Desert

+

Mining History of Southern Sierra and western Mojave Desert

Gold Recovery

Gold Recovery

+

Nov 15, 2013 · Cupellation is a process where ores or alloyed metals are treated under high temperatures and controlled operations to separate noble metals, like gold and silver, from base metals like led, copper, zinc, and .