THE JAPAN TIMES | 26 September 2017
“Japan has successfully tapped into a deposit of deep-sea mineral resources from a deep-water seabed off the coast of Okinawa, the economy ministry said Tuesday, the largest such extraction of its type.
It is the first time metals have been mined from the seabed in such quantities using ship-based extraction technology, according to the Economy, Trade and Industry Ministry and Japan Oil, Gas and Metals National Corp.
The effort was undertaken after a series of recent discoveries of ore deposits off the coast of Okinawa, according to the ministry.”