THE hydrothermal activity area investigated is located at the middle of the trough (126°50′—127°30′E; 27°20′—27°50′N). Some surface sediment samples and core samples were collected, with othe...THE hydrothermal activity area investigated is located at the middle of the trough (126°50′—127°30′E; 27°20′—27°50′N). Some surface sediment samples and core samples were collected, with other samples from non-hydrothermal activity area (128°20′—129°10′E; 30°30′—31°40′N) in the north of the trough for comparison. Analyses for elements and展开更多
文摘THE hydrothermal activity area investigated is located at the middle of the trough (126°50′—127°30′E; 27°20′—27°50′N). Some surface sediment samples and core samples were collected, with other samples from non-hydrothermal activity area (128°20′—129°10′E; 30°30′—31°40′N) in the north of the trough for comparison. Analyses for elements and