A drill bit where the diamond set crown has been cast into a mould
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Tag: <span>C</span>
The depth of a borehole to where casing is entered
The study or art of mapmaking
A process using activated carbon (wood or coconut shells) in ore pulp to absorbed precious metals and cyanide solution
Containing carbon
Originating from fossilized carbon and oil
Strata layers and folds that dip toward a common center
The common ore of the metal chromium
The separation of particles by density by spinning the mix of minerals quickly in a cyclone
A halogen element, Symbol, Cl