A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam.

Drift mining is a process of accessing precious geological material, like coal, by cutting into the side of the earth, rather than tunneling directly downwards.

Jul 23, 2025 · Drift mining is a type of underground mining where tunnels, called drifts, are driven horizontally or nearly horizontally into the side of a hill or mountain to access an ore or coal seam.

Apr 11, 2025 · Drift mining, a method of underground mining, has been practiced for centuries to extract valuable minerals and ores from the depths of the Earth. This technique involves …

Dec 12, 2025 · All horizontal or subhorizontal development openings made in a mine have the generic name of drift. These are simply tunnels made in the rock, with a size and shape …

Drift mining is an underground mining technique that involves excavating horizontal or near-horizontal tunnels, known as drifts or adits, directly into the side of a hillside or mountain to …

Drift is a more general mining term, meaning a near-horizontal passageway in a mine, following the bed (of coal, for instance) or vein of ore.

Drift mining is a mining method that involves the extraction of valuable minerals or ores from horizontal tunnels (called drifts) driven into the side of a mountain or a hill.

Drift mining is a technique used to extract coal and other minerals from shallow deposits. It involves creating horizontal tunnels, or drifts, to access coal deposits close to the surface. The …

A term applied to working alluvial deposits by underground methods of mining. The paystreak, varying from 2 to 8 ft (0.6 to 2.4 m), sometimes greater, is reached through an adit or a …