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Limestone mining for the cement industry is a major threat to the Caves of Meghalaya, [4] causing a major collapse of the Krem Mawmluh cave, the seventh longest cave in the state of Meghalaya. The "cave-in" stimulated public awareness of the potential threat mining places to the rich scientific, tourism and ecological heritage.
Dug into the Bethany Falls limestone mine, SubTropolis is up to 160 feet (49 m) beneath the surface. It has a grid of 16-foot-high (4.9 m), 40-foot-wide (12 m) tunnels separated by 25-foot-square (7.6 m) limestone pillars created by the room and pillar method of hard rock mining . [ 1 ]
Rat-hole mining or Rat mining [1] is a process of digging employed in North East India to extract coal, where a narrow hole is manually dug by extraction workers. The practice is banned by the National Green Tribunal; [2] [3] however, the techniques are still employed by artisanal mining operations in several parts of India, especially in Meghalaya.
The Chief Minister of Meghalaya, Conrad Sangma, has called for regulation of mining in the state, admitting that illegal mining happens in the state. [9] [21] Meghalaya Police arrested the owner of the coal mine on 15 December 2018. [10] Congress leader Rahul Gandhi criticised the Narendra Modi government over the issue. [11] [22]
Mine reclamation is the process of modifying land that has been mined to restore it to an ecologically functional or economically usable state. Although the process of mine reclamation occurs once mining is complete, the planning of mine reclamation activities may occur prior to a mine being permitted or started. [1]
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