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한반도 서해안 고창 하전리 일대 제4기 후기 해안단구의 발달Development of the Late Quaternary Marine Terraces in Hajeon-ri, Gochang in the Western Coast of the Korean Peninsula
- Other Titles
- Development of the Late Quaternary Marine Terraces in Hajeon-ri, Gochang in the Western Coast of the Korean Peninsula
- Issue Date
- Dec-2022
- Publisher
- 한국지형학회
- Keywords
- 해안단구; 고해안선; 광여기 루미네선스 연대; 제4기 후기; 고창군 하전리; marine terraces; paleo-shoreline; Optically Stimulated Luminescence(OSL) age; the late Quaternary; Gochang-gun Hajeon-ri
- Citation
- 한국지형학회지, v.29, no.4, pp 55 - 69
- Pages
- 15
- Indexed
- KCI
- Journal Title
- 한국지형학회지
- Volume
- 29
- Number
- 4
- Start Page
- 55
- End Page
- 69
- ISSN
- 1226-4296
- Abstract
- This study investigates the distribution and developmental characteristics of the late Quaternary marine terraces in Hajeon-ri, Gochang-gun in the western coast of the Korean Peninsula. The altitudes of the first and second terraces are 8~13m and 17~23m, respectively, from a regional high sea-level. As a result of OSL(Optically Stimulated Luminescence) and IRSL(Infra-red stimulated Luminescence) dating, the depositional ages of the second marine terrace are estimated as 189.53±5.19ka BP, indicating that the second terrace was formed during the penultimate interglacial period (MIS 7). The silt deposits overlying the first and second terrace surfaces are likely to have originated from paleo-tidal flat sediments based on their depositional facies and the results of geochemical analysis.
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