Mining method for submarine hydrothermal deposits, charge equipment for submarine hydrothermal deposits, and explosive cartridges for submarine hydrothermal deposits

摘要

PROBLEM TO BE SOLVED: To reduce charter money of shipping when mining a sea-floor hydrothermal deposit.;SOLUTION: A mining method of a sea-floor hydrothermal deposit includes: a drilling step of drilling a plurality of blasting holes VH in a predetermined area of a sea-floor hydrothermal deposit OD; a charging step of charging explosives 60 into all or a part of the plurality of blasting holes VH in the predetermined area; a leave-out blasting step of breaking the predetermined area in which the explosives are charged by a leave-out blasting; and an ore lifting step of lifting muck piles of the sea-floor hydrothermal deposit OD broken at the leave-out blasting step above the sea surface.;SELECTED DRAWING: Figure 15;COPYRIGHT: (C)2018,JPO&INPIT