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NTIS 바로가기암석학회지 = The journal of the petrological society of korea, v.24 no.4, 2015년, pp.337 - 345
Pumices from the summit area of the Mt. Baekdu was analysed with respect to the physical characteristics. Fallout pumice deposits around the somma of the Cheonji caldera, Mt. Baekdu consist mainly of white pumices, but black pumices and gray pumices are also displayed together. White pumices are mai...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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백두산 천지 칼데라 외륜산 주변의 강하부석층의 특징은 무엇인가? | 백두산 산정부의 강하부석층의 부석에 대한 물리적 특성을 분석하였다. 백두산 천지 칼데라 외륜산 주변의 강하부석층은 주로 흰색 부석으로 구성되지만 이들 중에는 흑색, 회색의 부석이 함께 산출된다. 흰색 부석은 주로 유문암질($SiO_2$ 71. | |
백두산 화산에서는 화산폭발지수 (VEI) 7급의 격변적인 폭발적 초거대(colossal)분화가 발생한 시기는 언제인가? | 지금으로부터 약 1,000년 전인 서기 946년~947년경(Xu et al., 2013) 백두산 화산에서는 화산폭발지수 (VEI) 7급의 격변적인 폭발적 초거대(colossal)분화가 발생하였었다. | |
백두산 화산에서의 분화는 어떤 의의가 있는가? | , 2013) 백두산 화산에서는 화산폭발지수 (VEI) 7급의 격변적인 폭발적 초거대(colossal)분화가 발생하였었다. 이 분화는 인도네시아 탐보라 화산의 1815년 분화에 대비되며(Machida and Arai, 1983; Wei et al., 2003), 과거 2,000년 동안 인류 역사상 최대의 화산 분화 사건 중의 하나로 인식되고 있다(Zielinski et al., 1994; Horn and Schmincke, 2000; Guo et al. |
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