Question

Differences btw underground mining and alluvial mining

Answer 1

Answer:

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Underground Mining

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals 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 or rubies.

Alluvial Mining

what exactly is alluvial mining? Put simply, it's the mining of stream bed deposits (also known as alluvial deposits) for minerals. These alluvial deposits are formed when minerals are eroded from their source, and then transported by water to a new locale.

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Answer 2

Answer:

(1)UNDERGROUND MINING :-Underground exhausting rock mining refers to numerous underground mining techniques wont to excavate hard minerals, principally those containing metals like ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, however additionally involves exploitation a similar techniques for excavating ores of gems like diamonds.

(2)ALLUVIAL MINING :- ​Alluvial diamond mining is an on top of ground style of mining that concentrates on gathering diamonds on the surface. this can be the foremost ancient and oldest mining technique within the diamond business, that originated many years past in India . This technique is widespread even these days, principally in Brazil and Africa .