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IPFS News Link • Science, Medicine and Technology

Atlantean Mining Technology Rediscovered and Modernized

01-21-2013 • arclein

A strong burner powered by diesel fuel is inserted into a 152 mm pilot hole drilled into the vein (Figure 1) using a conventional longhole drill. The burner spalls the rock quickly, increasing the diameter of the hole to 30 - 80 cm (Figure 2) producing rock fragments 0 - 13 mm in size. The leftover rock between fragmented holes is broken loose using soft explosives and a narrow mining corridor with widths of 30 cm to 1 me

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Reported By robert klein

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