資源機構による海外金属資源探査と今後の展望

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The Japan Oil, Gas and Metals National Corporation (JOGMEC), a non-profit Incorporated Administrative Agency, succeeded all the overseas exploration programs of former Metal Mining Agency of Japan (MMAJ) on February 29th, 2004. A wide range of exploration activities from grass-root to pre-feasibility in both developed and developing countries are conducted for assisting and encouraging Japanese companies for their upstream projects in contribution to stable supply of nonferrous metals.Overseas exploration program of JOGMEC currently consists of three categories: (1) Overseas (Joint) Geological Surveys which directly assist mineral exploration activities by Japanese private companies; (2) Technical Cooperation for Mineral Exploration: Government-to-Government Surveys (GG Surveys) which mainly intend to transfer Japanese exploration skill to governmental organization in developing countries and (3) Joint Basic Exploration Scheme (JBES) which is a joint venture exploration program usually under a farm-in agreement to acquire equity interest of the properties from overseas public or private corporations in developing countries. Such equity interest by JBES will be transferred to Japanese private companies for further explorations and development. Recent three successful exploration projects are introduced to show JOGMECs approach and contribution. The Stone-boy project, Alaska, a large grass-root regional exploration program, delineated Pogo gold deposits of 9.9 Million tones with average grading 14.1g/t Au which is planned to commence production from 2006. Two GG surveys of the Kokpentinskaya placer-ilmenite deposit in Kazakhstan and the Dong Pao rare-earth deposit in Vietnam, successfully expanded their original geologic ore reserves nearly double to be a positive economic valuations.As a future perspective of JOGMECs metals survey, the JBES will be the most efficient survey program due to realizing both flexibility in project selection and security of tenure in the area of interest.
社団法人資源・素材学会の論文
2005-07-25

資源機構による海外金属資源探査と今後の展望

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