Question

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What is the difference between an open pit mine, a quarry and an underground mine with shafts?
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Answer 1

Answer:

A quarry is the same thing as an open-pit mine from which minerals are extracted. The only trivial difference between the two is that open-pitminesthat produce building materials and dimension stone are commonly referred to as quarries." So the last sentence must answer your question.

Answer 2

Answer:

Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom. ... When the top of the excavation is the ground surface, it is referred to as a shaft; when the top of the excavation is underground, it is called a winze or a sub-shaft.

Open-pit mines that produce building materials and dimension stone are commonly referred to as "quarries."

...

Materials typically extracted from open-pit mines include:

Bitumen.

Clay.

Coal.

Copper.

Coquina.

Chromite.

Diamonds.

Gravel and stone.

Explanation: