Question

Define types of mining

Answer 1

Hey !


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There are 4 types of mining
: -


1. Open cut mining .

2. open cast mining.

3. sea bed mining.

4. underground mining.

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✮ EXPLANATION ✮


1. Open cut mining
=> A pit is dug, progressively deeper as the ore, technical considerations, consents and economics allow.



2. Open cast mining
=> Essentially, overburden is removed, the exposed ore is recovered, and the pit is filled, progressively, by the next tranche of overburden.



3. Sea bed mining

=> The technologies for extracting resources off the seafloor, e.g., ironsands, rock phosphate, precious and base metal sulphides, are very different to that deployed on land, with the added challenges of working at depth and often by remote control. 


4. Underground mining

An underground mine will normally have a surface footprint of 5-10 ha.

There are a multitude of underground mining techniques to extract the maximum amount of ore in a safe manner.

Answer 2

i  can name all the types of mining for you-

*strip mining -  removal of soil and rock (overburden) above a layer or seam (particularly coal), followed by the removal of the exposed mineral.

*open-pit mining - Open-pit is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.

*underground mining - Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals[1] such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds. Soft rock mining refers to excavation of softer minerals such as salt, coal, or oil sands.


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