Mining

Mining extracts beneficial materials native the earth. Back mining provides many an important minerals, the can likewise harm people and also the environment.

You are watching: Minerals are mined both at the earth’s surface and below it.


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Open-Pit Copper Mine

Throughout history, minerals, choose copper, have been extract from the earth for human being use. The is tho mined in places like this open-pit mine external of silver City, brand-new Mexico, in the united States.

Photograph by Joe Raedle/Getty Images


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Mining is the process of extracting useful materials native the earth. Some examples of building materials that room mined incorporate coal, gold, or iron ore. Stole ore is the product from i m sorry the steel iron is produced.

The process of mining dates earlier to primitive times. Ancient people very first mined flint, which was right for tools and also weapons because it breaks into shards with sharp edges. The mining of gold and also copper additionally dates earlier to primitive times.

These profitable substances that are mined native the planet are called minerals. A mineral is typically an not natural substance that has a specific chemical composition and crystal structure. The minerals are an important in their pure form, yet in the planet they are combined with other, undesirable rocks and also minerals. This mix of rock and also minerals is usually carried away from the mine together, then later processed and refined to isolation the desired mineral.

The two significant categories of contemporary mining incorporate surface mining and underground mining. In surface mining, the soil is blasted so the ores close to Earth’s surface have the right to be removed and also carried come refineries to extract the minerals. Surface ar mining deserve to be terrible to the bordering landscape, leaving vast open pits behind. In underground mining, ores are eliminated from deep in ~ the earth. Miners blast tunnels right into the absent to reach the ore deposits. This procedure can lead to crashes that catch miners underground.

Along with accidents, a career in mining can additionally be dangerous since it have the right to lead to health problems. Breathing in dust particles developed by mining can lead come lung disease. Among the most usual forms is black color lung disease, i m sorry is led to when coal miners breathe in charcoal dust. Many other types of mining create silica dust, which causes a an illness similar to black lung disease. These space incurable diseases that reason breathing impairment and can be fatal.

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The mining procedure can also harm the environment in other ways. Mining create a kind of water pollution well-known as acid mine drainage. First, mining exposes sulfides in the soil. When the rainwater or streams disappear the sulfides, they form acids. This acidic water damages aquatic plants and also animals. In addition to acid mine drainage, the handle of mine garbage can also cause serious water contamination from toxicity metals. The toxicity metals generally found in mine waste, such as arsenic and also mercury, space harmful come the health of people and wildlife if they space released into nearby streams.