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NTIS 바로가기한국지구과학회지 = Journal of the Korean Earth Science Society, v.36 no.6, 2015년, pp.512 - 519
Although Quaternary marine terraces and onshore paleo-shoreline records provide clues to our understanding for the mode and nature of neotectonics in the Korean peninsula, it cannot be accomplished without knowledge on both independent information of the past sea level records and tectonic deformati...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
B의 반감기는? | 10Be은 대기 중의 질소와 산소가 우주선과 충돌하여 일어나는 파쇄반응으로 생성되거나 지표에 노출된 암석 표면에서 암석 중의 규소나 산소가 조사되는 우주선과 반응하여 생성된다. 이렇게 생성된 10Be은 베타 방사성 붕괴로 B가 되며, 이 때 반감기는 1.51±0.06×106년이다(Hofmann et al., 1987). | |
해안단구 상에 노출된 거력과 노출 기반암을 대상으로 하여 대상 시료의 노출 연대를 추정하는 근거는? | 본 연구에서는 해안단구 상에 노출된 거력과 노출 기반암을 대상으로 하여 대상 시료의 노출 연대를 추정하는데 목표를 두고 있다. 이는 해안단구 상에 노출된 거력은 육화 이후 이동이 없었을 것이라는 전제 하에 암석의 노출 연대는 곧 해안단구의 육화 시기(형성 시기)에 근접한 시간일 것이라는 간접 추정에 근거를 두고 있다. 시료 채취 지역은 강릉시 강동면의 정동진 지역과 충남 서천군 비인면 일대이며, 두 지역의 네 지점에서 총 6개의 시료를 채취하였다(Fig. | |
10Be은 어떻게 생성되는가? | 10Be은 대기 중의 질소와 산소가 우주선과 충돌하여 일어나는 파쇄반응으로 생성되거나 지표에 노출된 암석 표면에서 암석 중의 규소나 산소가 조사되는 우주선과 반응하여 생성된다. 이렇게 생성된 10Be은 베타 방사성 붕괴로 B가 되며, 이 때 반감기는 1. |
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