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strip mine click to hear : strip mine

Type of mining that is used especially for large shallow deposits; coal or ore is extracted by digging a trench in the ground surface.
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See strip mine in : french | spanish
roof trench bulldozer face overburden dump conveyor belt loader mechanical shovel bucket wheel excavator

roof click to hear : roof

Geologic stratum that covers the ore seam; it is of more recent formation than the ore.

trench click to hear : trench

Lengthwise excavation that is made down to the top of the ore layer in order to extract its coal.

bulldozer click to hear : bulldozer

Excavation machine for pushing materials; it is made up of a crawler tractor, a blade and often a ripper.

face click to hear : face

Part of the quarry that is being excavated and from which ore is progressively extracted.

overburden click to hear : overburden

Part of the ground that covers the ore beds; it is removed to reach the deposit.

dump click to hear : dump

Pile that is made up of residue from mining operations.

conveyor click to hear : conveyor

Materials-handling device that consists of a conveyor belt (sturdy belt on rollers) that is used to transport coal extracted from the mine.

belt loader click to hear : belt loader

Movable materials-handling device that is fitted with an inclined conveyor belt; it is used mainly to raise loads.

mechanical shovel click to hear : mechanical shovel

Earthmover that consists of a movable cab with an articulated arm fitted with a bucket (scoop); it is used for digging and handling loads.

bucket wheel excavator click to hear : bucket wheel excavator

Earthmover that consists of a wheel fitted with buckets (scoops); it is used to dig into rock to extract materials, which are then dumped onto a conveyor.