|
North Korea | |
| Dana 7:II::323,370,376. |
| watanabe, T. : Boron mineral resources in Korea (in: Geology and Mineral Resources of the Far East, University of Tokyo Press, 1969) |
| [var. Electrum] Resource Geology, vol. 50, no. 4, 213-228, 2000 |
| Imai, A., & Anan, S. (2000). Sulfur isotope study and re‐examination of ore mineral assemblage of the Hol Kol and the Tul Mi Chung skarn‐type copper–gold deposits of the Suan mining district, Korean Peninsula. Resource Geology, 50(4), 213-228. watanabe, T. : Boron mineral resources in Korea (in: Geology and Mineral Resources of the Far East, University of Tokyo Press, 1969) |