Question

Q20. Explain the two types of mining.
दो प्रकार के खनन की व्याख्या करें।​

Answer 1

Explanation:

खनिकर्म को मुख्य रूप से तीन भागों में विभाजित किया गया हैं :

तलीय खनन (Surface mining),

जलोढ़ खनन (alluvial mining) तथा

भूमिगत खनन (Underground mining)।

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Answer 2

Answer:

Mining techniques can be divided into two common excavation types: surface mining and sub-surface (underground) mining. Today, surface mining is much more common, and produces, for example, 85% of minerals (excluding petroleum and natural gas) in the United States, including 98% of metallic ores.

Explanation:

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