長崎県西海市雪浦の位置および地質図 (IMAGE) Kumamoto University Caption a:日本西部地域の地質帯。緑色の部分が日本本州を横断する三波川帯で、西彼杵変成岩は三波川帯と同じ地質帯に属すると考えられていた。 b:西海市拡大図。 c:西海市雪浦地区の拡大図。星印の場所でマイクロダイヤモンドが見つかった Credit Professor Tadao Nishiyama Usage Restrictions <p>Adapted from fig. 1 of <a href="https://www.nature.com/articles/s41598-020-68599-7" target="_blank"> Nishiyama et.al. 2020</a>. </p> <p>This image is made available under the terms of <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">CC by 4.0</a>. Any further distribution of this work must follow the terms of this license. </p> License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.