Thermal rock fragmentation application in narrow vein...

Details Thermal rock fragmentation application in narrow vein... Thermal rock fragmentation application in narrow vein...

E - Fixed Constructions

21

C

E21C 41/22 (2006.01) E21C 25/58 (2006.01) E21C 37/16 (2006.01) E21C 41/00 (2006.01)

Patent

CA 2412792

A free-blast method for extracting ore from an ore vein deposit wherein the vein is extracted by causing the ore comprised between the rock walls bordering the vein to spall into fragments. The ore fragments are recuperated as by aspiration and subsequently processed to retrieve the precious mineral.

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