mining removes rocks and minerals that contain useful metals from the earth’s crust. metals-2-1...
TRANSCRIPT
Mining removes rocks and minerals that contain useful metals from the
Earth’s crust.
Metals-2-1
Image: G. Plumlee, USGS
Explosions - or blasts - break metal-bearing rock into blocks and fragments.
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Image: US Bureau of Mines
Crushed metal-bearing rock - most pieces smaller than a baseball - is ready for processing that removes metals.
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Image: Kennecott Utah Copper Co.