반응형 부가화산력1 Accretionary lapilli found at Sinan-gun, Jeollanam-do 신안군 선도서 대형 부가화산력 발견…화산 활동 흔적2020-02-12 10:13 조근영 기자중생대 백악기 수중 화산 분출…야구공 모양의 화산재 덩어리 Geologists said that accretionary lapilli, a trace of volcanic activity has been found in the mesozoic strata on the north side of Seondo Island, Jido-eup, Sinan-gun, Jeollanam-do. Accretionary lapilli are ball-like, spherical mass of volcanic ash that forms when a volcano erupts. It is made up of sticky volcanic.. 2020. 2. 12. 이전 1 다음 반응형
