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Tsinghua Finds Underwater Gold-Silver Deposit, Extraction Difficult

By Drooid · Sep 14, 2026, 3:25 PM UTC · How we work

Summary

Story summary

Song Shiji, vice-dean of Tsinghua’s Institute for Ocean Engineering, led the team that found an underwater gold-silver deposit.
The expedition left Shenzhen on August 10 aboard the research vessel Xiang Yang Hong 10.
The team identified three large cone-shaped sulfide mounds in the hydrothermal field.
Gold concentrations reached up to 0.45 troy ounces per US short ton.
Researchers said deep-sea extraction would be technically difficult and environmentally challenging.

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Story summary

Song Shiji, vice-dean of Tsinghua’s Institute for Ocean Engineering, led the team that found an underwater gold-silver deposit.
The expedition left Shenzhen on August 10 aboard the research vessel Xiang Yang Hong 10.
The team identified three large cone-shaped sulfide mounds in the hydrothermal field.
Gold concentrations reached up to 0.45 troy ounces per US short ton.
Researchers said deep-sea extraction would be technically difficult and environmentally challenging.