2 Room Bor d and Pillar mining or con tinuous mining method It is the most common supported pillar method designed and used primarily for mining flat lying
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Get PriceOne of the most complete early treatments of mining methods in Europe is by the German scholar Georgius Agricola in his De re metallica 1556 He describes detailed methods of driving shafts and tunnels Soft ore and rock were laboriously mined with a pick and harder ore with a pick and hammer wedges or heat fire setting
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Get PriceEarly Mining Methods History of Coal Mining HouseFuel Early Mining Coal mining started by mining coal that was exposed at the surface in open pit and drift mines close to the surface With coal this is relatively rare so coal available at the surface soon ran out and it became clear that mining deeper and following the coal seam underground
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Get PriceEarly coal extraction was small scale the coal lying either on the surface or very close to it Typical methods for extraction included drift mining and bell well as drift mines small scale shaft mining was used This took the form of a bell pit the extraction working outward from a central shaft or a technique called room and pillar in which rooms of coal were extracted with
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Get PriceAnother method of mining were drift mines which were usually sunk into the hillside The coal seam was usually visible at the side of the hill known as outcrop coal the coal was first removed from the side of the hill then the miners had to follow the seam further and further underground the coal was worked until the working conditions became unsafe
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