Biogenic magnetite as a paleomagnetic recorder of the ferromanganese crust in the West Pacific

Wonnyon Kim, KIOST Korea Institute of Ocean Science and Technology, Deep-sea and Seabed Mineral Resources Research Center, Busan, South Korea, Ji Young Shin, Korea Institute of Ocean Science & Technology, Busan, South Korea and Jonguk Kim, KIOST Korea Institute of Ocean Science & Technology, Ocean Georesources Research Department, Busan, South Korea