Mining removes rocks and minerals that contain useful metals from the Earth’s crust. Metals-2-1...
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Mining removes rocks and minerals that contain useful metals from the Earth’s crust. Metals-2-1 Image: G. Plumlee, USGS
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Transcript of Mining removes rocks and minerals that contain useful metals from the Earth’s crust. Metals-2-1...
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.
Metals-2-5
Image: US Bureau of Mines
Crushed metal-bearing rock - most pieces smaller than a baseball - is ready for processing that removes metals.
Metals-2-7
Image: Kennecott Utah Copper Co.