sluicing giant
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mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
hydraulic mining — placer mining using a pressurized stream of water. Also called hydraulicking /huy draw li king, drol i king/. [1855 60, Amer.] * * * use of a powerful jet of water to dislodge minerals present in unconsolidated material, including mine… … Universalium
Hydraulic mining — Hydraulic mining, or hydraulicking, is a form of mining that employs water to dislodge rock material or move sediment. Previously, the use of a large volume of water had been developed by the Romans to remove overburden and then gold bearing… … Wikipedia
