An improved method of freeing iron stone and other metallic ores from shale has recently been invented by John Harding, of Leeds, England. In preparing some iron ores for the furnace, it has to be ...

Metal ores are naturally occurring rocks that contain metals or metal compounds in sufficient amounts to make it worthwhile extracting them. The method used to extract a given metal from its ore ...

A new tender to tap the Ak-Sug metallic ore deposit in Tuva will be held by the end of this year, Minister of Industry and Trade Anton Alikhanov said at the meeting with President Vladimir Putin ...