https://news.docodemodouga.net/story.php?title=%E6%AC%A7%E5%B7%9E%E3%81%AE%E6%B4%8B%E4%B8%8A%E9%A2%A8%E5%8A%9B%E5%8B%95%E5%90%91%EF%BC%88219%EF%BC%89 発表元:石油天然ガス・金属鉱物資源機構、掲載日:2026-02-20 Fri, 20 Feb 2026 04:10:04 UTC en