wiki black sand trommel sluice

As a leading global manufacturer of crushing,wiki black sand trommel sluice, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals.

We're There When You Need Us We have analyzed the problems that customers may encounter during project implementation, and have specified the corresponding service items as well as service personnel, to ensure that the problems can be solved timely and effectively.

In the past 30 years, we devote to producing mining equipments, sand making machines and industrial grinding mills.

Get a Quote

  • Home
  • / crusher-roadheaders-sales/wiki black sand trommel sluice
  • Outline of mining - Wikipedia

    The following outline is provided as an overview of and topical guide to mining:. Mining – extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam.

  • Mining - Wikipedia

    Mining is the extraction of valuable minerals or other geological materials from the earth, usually from an orebody, lode, vein, seam, reef or placer deposit.These deposits form a mineralized package that is of economic interest to the miner.