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In overhand stoping, the ore is extracted in a descending order from the upper level towards the lower main drift.
In overhand stoping, the ore is extracted in a descending order from the upper level towards the lower main drift.
False
The breast stoping method involves advancing in a downward direction.
The breast stoping method involves advancing in a downward direction.
False
In underhand stoping, the ore is extracted in a downward direction.
In underhand stoping, the ore is extracted in a downward direction.
True
Horizontal or downward holes may be drilled into the benches in overhand stoping.
Horizontal or downward holes may be drilled into the benches in overhand stoping.
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Outby refers to a direction away from the working face and toward the mine entrance.
Outby refers to a direction away from the working face and toward the mine entrance.
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In breast stoping, the face of the opening is worked in an opposite direction to the mine entrance.
In breast stoping, the face of the opening is worked in an opposite direction to the mine entrance.
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Overhand stoping is also known as below hand level stoping.
Overhand stoping is also known as below hand level stoping.
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Inby refers to a direction toward the working face and away from the mine entrance.
Inby refers to a direction toward the working face and away from the mine entrance.
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Underhand stoping involves extracting ore in a descending order.
Underhand stoping involves extracting ore in a descending order.
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Outby direction is characterized by advancing toward the working face and away from the mine entrance.
Outby direction is characterized by advancing toward the working face and away from the mine entrance.
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