How Do Mines Crush The Rocks And Ores To Recover The Metals And Minerals They Contain?
This section is devoted to giving a very brief idea how mines crush and grind the ores (rocks) to obtain fine enough material to recover the
valuable metals or minerals. In some cases, like aggregate, they merely need to crush to a certain particle size range and it is ready to use.
The purple buttons at left are links to pages on the type of equipment described on that button.
A Mini Thor Mill, used in mining labs to pulverize -1/4" ore to -45 microns (325 mesh). This little video shows the Mini Thor Mill crushing some -1/4" gold ore.
Sound is actual sound recorded from camera 3 feet away while operating mill. Video player uses Active X to operate, so one may
have to click "Enable Active X" before it will play.