남해안 사천시 대포동 일대에 분포하는 고해안 퇴적물의 형성 과정과 형성 시기: 한반도 제4기 후기 지각운동의 양식과 변형률 산출을 위한 연구(II)The Formative Processes and Ages of Paleo-coastal Sediments in Daepo-dong Sacheon-si in the Southern Coast, South Korea: Evaluation of the Mode and Rate of the Late Quaternary Tectonism (II)
- Other Titles
- The Formative Processes and Ages of Paleo-coastal Sediments in Daepo-dong Sacheon-si in the Southern Coast, South Korea: Evaluation of the Mode and Rate of the Late Quaternary Tectonism (II)
- Authors
- 신재열; 홍성찬
- Issue Date
- 2018
- Publisher
- 한국지형학회
- Keywords
- paleo-shoreline; rock surface luminescence dating; the Southern coast; the late Quaternary; neotectonism; 고해안선; 암석 표면 루미네선스 연대측정; 남해안; 제4기 후기; 신기지체구조운동
- Citation
- 한국지형학회지, v.25, no.3, pp.57 - 70
- Indexed
- KCI
- Journal Title
- 한국지형학회지
- Volume
- 25
- Number
- 3
- Start Page
- 57
- End Page
- 70
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/79059
- ISSN
- 1226-4296
- Abstract
- This study restores onshore paleo-shoreline records and establishes the nature and strain rate of neotectonism by investigating the existence and formative age of paleo-coastal sediments emerged around Sacheon-si in the Southern part of the Korean peninsula. As a result, paleo-sand bars representing 5m of the paleo-shoreline from high tide level are formed in Sacheon-si, and the formation age of these is confirmed as MIS 5c at approximately 100,000 year BP through rock surface luminescence dating to rounded gravels in paleo-sand bars. Although it is difficult to establish the uplift rate of crust precisely due to incomplete restoration of sea level records during the last interglacial stage, the uplift rate along the Southern coast of the peninsula was assumed approximately 0.72 lower than the Eastern coast during the late Quaternary in comparison to the 1st marine terrace along the Eastern coast.
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