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mines

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Victoria Santana
-keep digging down into Earth to ore
-bare earth
-slope

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Mountain top removal
-Usually for coal mining
-Clear the entire top of the mountain
Issues:
-bare earth
-slope
-soil erosion

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Drift Mining
- The mining of ore underground
- The working of coal seams
- Accessed by adits driven into the surface of the coal bed

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Mountain top removal picture

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Mountain top removal Picture

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Victoria S.
-overburden: when soil or material is over the ore you want to mine
-spoils: removed overburden from the ore

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Strip Mining
- harvest material in strips
- taking the overburden and putting it behind as spoils
- needs a lot of fossil fuel because of its size

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Jacob S.
Obtaining minerals from the ground
-Diamonds
-Gold
-Phosphorus
-Gravel
-Coal

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Jian Hui Gao
-got the ore
-process it
-some minerals require heating/some require chemical application
-until you get your target mineral
-put tailings in piles similar to spoils
- ecological impacts of these piles of impurity kind of over to the side

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Mluna

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Surface Mining
-Open pit mining
-Strip Mining
-Mountain top removal
Subsurface Mining

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Cyanide Heap Leaching
-Take ore and stack it up outside with another ore putting a fluid that includes cyanide. It dissolves the impurities and then you can remove your target mineral.

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Strip Mining

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Camila Robles

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Smelting, separation, which results in tailings
-Camila Robles
https://cdn.britannica.com/35/197635-050-A672B4AD/copper-plates.jpg

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Cons of underground mining:
- dangerous to human health, can cause black lung disease
- in under developed countries, there are not many regulations
- expensive

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Overburden is when the layer of soil and rock is overlying in a mineral deposit which could be removed by surface mining.
As for spoils they are unwanted rocks and other waste minerals are being produced when a resource is being removed from the Earth by any type of mining.