Mining-Prospecting Dictionary

• Wall: The sides of a mine working; rock on either side of an ore body.
• Warrant or Warehouse Receipt: Certificate or physical deposit, which gives title to physical metal in an exchange-approved warehouse and which is recognized as good delivery against a short position. Title to the metal passes when the warrant is endorsed by its current owner to a new owner.
• Water management: Process whereby the groundwater table m the mining area is lowered by pumping water from wells, and the water is conveyed and used or recharged to the groundwater system through infiltration, reinjection or irrigation return.
• Water table: The underground level at which the ground is saturated with water. The level at which water will stand in an excavation.
• Winze: A shaft sunk in the interior of an underground mine for ventilation or development purposes.
• Workings: Any mine excavation or operating areas.