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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.
Popular rockhounding areas in Washington are hot spots for agates and fossils. ... Generally, “reasonable” is defined as up to 10 pounds. Some hobby mining activities also are allowed.
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.
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The Meghalaya subtropical forests is an ecoregion of Northeast India. The ecoregion covers an area of 41,700 square kilometers (16,100 sq mi), and despite its name, comprise not only the state of Meghalaya , but also parts of southern Assam , and a tiny bit of Nagaland around Dimapur and adjacent Bangladesh .
Washington (state) Country: United States: The Old Dominion Limestone is a geologic formation in Washington (state). It preserves fossils dating back to the Cambrian ...
Portland stone is a limestone geological formation (formally named the Portland Stone Formation [1]) dating to the Tithonian age of the Late Jurassic that is quarried on the Isle of Portland in Dorset, England. [1] The quarries are cut in beds of white-grey limestone separated by chert beds.
Pages in category "Mines in Washington (state)" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. B. Bodie Mine; C.
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