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The formal geological name for the Lead Belt is the "Southeastern Missouri Mississippi Valley-type Mineral District". It contains the highest concentration of galena (lead(II) sulfide) in the world [2] as well as significant economic quantities of zinc, copper and silver and currently mined sub-economic quantities of metals such as cadmium, nickel and cobalt. [2]
Mine La Motte is in northern Madison County, 4 miles (6 km) north of Frederickton, the county seat.According to the U.S. Census Bureau, the CDP has a total area of 3.37 square miles (8.73 km 2), of which 0.10 square miles (0.26 km 2), or 2.91%, are water. [1]
The most important mines, including the Hummingbird, Slim Jim, Schabert, Baker Group, and Three Sisters, are all located along the divide between Confederate Gulch and White Creek, principally on Miller Mountain. Lode mines produced only $100,000 in gold, while the placers of Confederate Gulch yielded this sum one hundred and fifty times over.
The Gold Prospectors Association of America (GPAA) is an organization dedicated to finding and mining gold on a small or recreational scale. [1] It has gold claims across America and members can work the claims for a yearly fee. As of December 2024, the club had over 200 places to find gold, making up more than 90,000 gold-bearing acres.
View of mines, plant, rail yard in Cardin, Oklahoma (1922) An unusual cluster of galena crystals from the Tri-State district. The gold-colored mineral is chalcopyrite. Size: 3.9 x 3.4 x 2.5 cm. The Tri-State district was a historic lead-zinc mining district located in present-day southwest Missouri, southeast Kansas and northeast Oklahoma. The ...
An open pit mine began operation in 1882, and moved to underground mining by 1900 for safety reasons. From 1901 until the end of active mining in 1962, the Soudan Mine was owned by the United States Steel Corporation's Oliver Iron Mining division. By 1912 the mine was at a depth of 1,250 feet (381 m). [4]
There are tens of thousands of abandoned mines in the United States. Many abandoned mines pose environmental challenges, such as acid mine drainage. In Colorado alone, there are 18,382 abandoned mines. [34] The United States has had many different environmental disasters caused by these mines, such as the 2015 Gold King Mine waste water spill.
The Colorado Mining Association (CMA), had been established in 1876, and was incorporated in 1897, and still exists. [9]In March 1902, Arthur L. Collins, of the Smuggler-Union mine in Telluride; Charles Chase; Arthur Winslow, general manager of the Liberty Bell; A.D. Snodgrass, chief clerk of the Smuggler-Union mine; and several other mine operators were instrumental in forming the Colorado ...