Answer :

Final answer:

Both subsurface mining and open pit mining can be used to extract copper, tin, iron, and uranium. Open-pit mining is typically used for near-surface ores and is typical for copper and iron, while subsurface mining is directed towards deeper deposits and is also relevant for these minerals.

Explanation:

Subsurface mining and open pit mining are techniques used for extracting valuable minerals from the earth. In the context of the question, which asks about copper, tin, iron, and uranium, both methods can be and are used to mine these minerals, although the specific technique chosen will depend on factors such as the mineral's location, depth, and surrounding conditions. Open-pit mining is a surface mining technique that involves digging a large, terraced hole in the ground to remove a near-surface ore body. This method is commonly used for mining copper, for instance in the copper ore mines of Arizona and Utah, or iron, as seen in the iron ore mines of Minnesota and South Africa. Subsurface mining, or underground mining, is needed for accessing mineral deposits that are deeper beneath the surface. It involves miners blasting and tunneling into the rock. This method is often used for mining minerals like uranium and can also be used for mining copper, tin, and iron. It includes various types of mining such as shaft mining and room and pillar mining and is prominent in the mining of gold, diamonds, and sometimes platinum group metals in South Africa.

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Final answer:

Subsurface mining and open pit mining are both methods used to mine copper, tin, iron, and uranium.


Explanation:

Subsurface mining and open pit mining are both used to mine various types of minerals and metals, including copper, tin, iron, and uranium.


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