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Shaft mining or shaft sinking is the action of excavating a mine shaft from the top down, where there is initially no access to the bottom. [1] Shallow shafts , typically sunk for civil engineering projects, differ greatly in execution method from deep shafts, typically sunk for mining projects.
The Upper Silesian Coal Basin (USCB; Polish: Górnośląskie Zagłębie Węglowe, GZW, Czech: Hornoslezská uhelná pánev) is a coal basin in Silesia, in Poland and the Czech Republic. [ 1 ] The Basin also contains a number of other minable resources, such as methane, cadmium, lead, silver and zinc.
The Saint-Charles shaft (or No. 8 shaft) is one of the main collieries of the Ronchamp coal mine. It is located in Ronchamp , Haute-Saône , in eastern France. In the second half of the nineteenth century, this shaft made it possible to mine large coal seams, contributing to the company's golden age.
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Shortly before, in 1982, an open-air museum had been set up on the surface site: that closed in 1996. The current visitor mine museum opened to 170m in 2007 and to the full 320m in 2008. [2] Technically the early mine had to contend with sand and the Saara tectonic fault. The first shaft, the 1856 Barbara shaft was abandoned at 30m.
Relatives of miners and community members wait near an opening to the mine shaft for artisanal miners underground to resurface in Stilfontein on November 13, 2024. - Emmanuel Croset/AFP/Getty Images
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A sinker in mining in the 19th century was a worker who specialized in creating new vertical mine shafts. [1] The job was highly skilled and the workers who did this work were often regarded as an elite workforce.