We appreciate your visit to Strip Mining Form of surface mining in which strips of soil and rock are removed to expose ore Refers to both surface and subsurface mining. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
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Final answer:
Strip mining is a surface mining technique used to extract minerals like coal that are close to the Earth's surface. It includes methods such as area strip mining for flat areas and contour strip mining for hilly regions. While it has environmental impacts, it remains a cost-effective mining method.
Explanation:
Understanding Strip Mining :
Strip mining is a form of surface mining utilized extensively for the extraction of coal or other minerals located near the Earth's surface. There are two primary methods of strip mining: area strip mining and contour strip mining. Area strip mining is suitable for relatively flat areas where a large trench is excavated to reveal the ore, which is subsequently extracted. The trench is then backfilled with overburden and the process is repeated. Contour strip mining, on the other hand, is employed on hilly terrains, employing a series of terraces to access the ore.
Surface mining is generally considered more economical than subsurface mining and includes several techniques such as open-pit mining and mountaintop removal, in addition to strip mining. However, it often results in significant environmental impact, causing erosion, habitat destruction, and other ecological damage. In contrast, subsurface mining is used for deposits found at greater depths and while less destructive to the surface environment, it poses greater risks to miners.
Despite its environmental drawbacks, strip mining remains widely practiced. It is especially prevalent in the extraction of coal, where it is one of the most cost-effective methods for mining near-surface coal seams. Reclamation efforts are sometimes undertaken to restore the land after mining activities.
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