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Of or pertaining to the process or business of extracting materials, such as ore or minerals, from the earth's crust.

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Mining > Diamond mining


Mining; Diamond mining

Process of surface mining which involves digging and sifting through mud, sand and gravel using shovels and sieves. Alluvial deposits refer to sediment which is transported and ...

zircon crystal

Mining; Diamond mining

Scientists using two different age-determining techniques have shown that a tiny zircon crystal found on a sheep ranch in western Australia is the oldest known piece of our ...