Spatial variations in submarine caldera-hosted hydrothermal systems: Insights from sulfide chemistry, Niuatahi caldera, Tonga rear-arc

Jan J. Falkenberg, Manuel Keith, Karsten M. Haase , Reiner Klemd, Harald Strauss , Christian Peters & Jonguk Kim
Deep-sea and Seabed Mineral resources Research centre, Korean Institute of Ocean Science & Technology, 385 Haeyang-ro, Yeongdo-gu, 49111, Korea(3);Submarine “black smoker” systems and their associated seafloor massive sulfides (SMS) may represent economic resources for future generations. However, the processes leading to spatial variations in the mineralogical and chemical composition of subduction zone-related hydrothermal systems remain poorly constrained. The large submarine caldera of Niuatahi volcano hosts several active hydrothermal vent sites associated with faults at the...
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