Color—A speck of gold.
Country Rock—The rock enclosing a vein.
Cradle—A mining apparatus; also called a rocker.
Cupriferous—Copper-bearing.
Decrepitate—Crackling when hot.
Development—Work done in opening a mine.
Dip—The inclination of a vein at right angles to its length.
Dolly—A primitive stamp-mill.
Drift—A horizontal gallery in a mine; or the rubbish left by the last ice age.
Drifting—Driving a tunnel.