why are ore mines deep inside the earth

why are ore mines deep inside the earth

ore National Geographic Society

Ore is a deposit in Earths crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron.. Copper ore is mined for a variety of industrial uses. Copper, an excellent conductor of electricity, is used as electrical wire.Copper is also used in construction.

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why are ore mines deep inside the earth

Why coal mines are found deep inside the earth

2020514&ensp·&enspWhy coal mines are found deep inside the earth 1 Coal is a sedimentary rock..It is made of small rocks,dead plants, and the fossils of dead animals which are buried deep in the ground.That is why it is found deep in the ground of the earth. I thik it will help you. 3.9 17 votes 17 votes Rate! Rate! Thanks 19. Comments (1)

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why are ore mines deep inside the earth

South Africa gold mining: What lies at the bottom of

2020716&ensp·&enspThe mines are now so deep, it's becoming too expensive to get the gold out. The story of the ultradeep mines is nearing its final chapter. To dig the riches from such astounding depths took grit

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why are ore mines deep inside the earth

Why are coal mines deep inside the earth Answers

Why are coal mines deep inside the earth? 9 10 11. Answer. Top Answer. Wiki User. 20091003 05:12:14 20091003 05:12:14. because coal is deep inside the earth. 1 2. 0. Related Questions.

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why are ore mines deep inside the earth

Why are coal mines found deep inside the Earth?

The reason coal is formed deep (ambiguous) inside the earths crust has a lot to do with the way coal is formed. Coal is formed by accumulation of vegetative material, which due to time, pressure, and heat decompose from their complex organic mole...

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why are ore mines deep inside the earth

Terrifying Facts About the World's Deepest Gold Mine

The whole, mindbogglingly huge structure mines a seam of ore only 30 inches wide. Seriously: the depths humans will do to get to their hands on gold. The rock is so hot underground that ice has

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why are ore mines deep inside the earth

How did coal get so deep inside earth Answers

People are (so far) not able to get very deep inside the Earth, so there is not that much variation, however, the closer you get to the center of the Earth, the less you would weigh.

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why are ore mines deep inside the earth

Why is the air temperature very hot in deep mines?

2010825&ensp·&enspThe core of the Earth is around 6000 degrees celcius, about halfway to the core is about 3000, and so on. It should make sense then, that when you go very deep within the crust, where deep mines are located, it gets hotter. The gradient is something like 25 or 30 degrees celcius per kilometer you go within the Earth. Hope this was helpful.

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why are ore mines deep inside the earth

why is coal mine is warm inside BINQ Mining

Why a miner is never permitted to smoke inside a coal mine. Fire and explosion are MAJOR safety hazards. Coal, and coal dust, is readily ignitable, and most coal mines have some level of methane gas. This is explosive when »More detailed

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why are ore mines deep inside the earth

Mining Underground mining Britannica

Mining Mining Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are the costs, which, for each ton of material mined, are much higher underground than on the

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