Social Sciences, asked by shobha172003, 1 year ago

difference between an open pit mine a quarry and an underground mine with shafts​

Answers

Answered by Tommichan
2

Open pit mining

Quarry

Underground mining with shaft

Done for those minerals which lie close to the surface of the earth

Used for mining minerals at shallow depths

Minerals which lie at great depths below the surface of the earth

Used where commercially useful minerals are found near the surface.

Used for extracting building materials like stone and limestone.

Used where the minerals occurs as veins in hard rock deep below the surface of the earth

Extracted using Earth moving machinery

Extracted using Earth moving machinery

Extracted using elevators which can carry people and mineral extracting equipment deep into areas where minerals are available


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