Large Kuroko-type sulfide deposit found off Japan
One of the world's largest Kuroko-type sulfide deposits has
been discovered on the floor of a caldera about 1,400 meters under
the sea 400 kilometers south of Tokyo, the Agency of Industrial
Science and Technology's Geological Survey announced Feb. 11.
More than one hundred chimney-like structures made of chilled
and settled minerals were observed within a radius of 400 meters. The
agency released photos of the ''Sunrise Deposit'' taken by the
research subversible Shinkai 2000.
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