General mining

General mining

General mining related terms and definitions in minerals and related activities.

Industry: Mining

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General mining

Squib shot

Mining; General mining

A blast with a small quantity of high explosives fired at some point in a borehole for the purpose of dislodging some foreign material that has fallen into it.

Primary blast

Mining; General mining

A blast used to fragment and displace material from its original position to facilitate subsequent handling and crushing.

Smelting furnace

Mining; General mining

A blast furnace, reverberatory furnace, or electric furnace in which ore is smelted for the separation of a metal.

Sump shot

Mining; General mining

A blast made in a shaft that is being sunk, to make a collecting place for water.

Low blast

Mining; General mining

A blast delivered to a smelting furnace at low pressure.

Condenser-discharge blasting machine

Mining; General mining

A blasting machine that uses batteries or magnets to energise one or more condensers (capacitors) whose stored energy is released into a blasting circuit, to initiate detonators.