Opening of the Sea of Japan and Kuroko deposit formation

  title={Opening of the Sea of Japan and Kuroko deposit formation},
  author={Ei Horikoshi},
  journal={Mineralium Deposita},
The opening of the Sea of Japan began with the bulge at the margin of the Asian continent at 21 Ma. Crustal subsidence and basaltic eruption prior to Kuroko deposit formation appear to represent the opening event. Between 16.5 to 15.5 Ma was the most probable time of the counterclockwise rotation of NE Japan. Kuroko ore formation is believed to have taken place between 15.4 and 15.2 Ma based on geological evidence and fossil ages. It is proposed that Kuroko deposits formed in a weakly… CONTINUE READING