Quartz OSL dating of palaeosols intercalated with basaltic lava flows and scoria deposits from monogenetic volcanoes in northeastern Jeju Island, Korea

다국어 초록 (Multilingual Abstract)

Jeju Island, which lies on the continental shelf in the southern Korean Peninsula, is the emergent portion of a basaltic volcanic field that has erupted since the Early Pleistocene (ca. 1.8 Ma). Volcanic activity that continued into historic times (ca. 1 ka) formed an elongated shield with a central edifice (Mt. Halla) and more than 300 monogenetic cones and rings. The establishment of a temporal framework for Jeju volcanism, particularly during the Late Pleistocene and Holocene activities, requires geochronological tools other than radiometric dating techniques, which are based on parent-daughter isotope pairs with geologically long half-lives, such as 40Ar/39Ar dating. In this study, we conducted quartz optically stimulated luminescence (OSL) dating of palaeosols intercalated with basaltic lava flows and scoria deposits, presumably ejected from three monogenetic volcanoes (Cheoreum, Darangsh and Dunjibong volcanoes) in the northeastern part of the island. Quartz extracts from the palaeosols had moderate to dim sensitivity to optical stimulation, but several prerequisite tests of the measurement protocols for equivalent dose estimation were successful. The coarse (63–250 μm) and fine (4–11 μm) quartz fractions yielded continuous wave (CW)-OSL ages of 19.9–7.0 and 18.6–6.7 ka, respectively, both of which were broadly consistent with the radiocarbon dates (10245–7440 Cal yr BP). These ages indicate that lava flows and scoria deposits covering the palaeosols are younger than ~7 ka. The pulsed OSL signals in coarse quartz extracts from the palaeosols suffered from poor counting statistics, thus it is recommended that they not be applied solely (i.e., without any other absolute ages to compare) to dating dim samples. From one of the sites investigated here, the averaged sedimentation rate of the palaeosol is estimated to be ~0.05 mm/yr, based on stratigraphically consistent CW-OSL ages. The OSL ages presented in this paper, together with previous OSL and radiocarbon ages, confirm that Jeju volcanic island was regionally active during the Holocene.

참고문헌 (Reference)

1 고기원, "제주도의 화산활동" 대한지질학회 49 (49): 209-230, 2013

2 안웅산, "제주도 한라산 백록담 일대의 화산활동사" 한국암석학회 26 (26): 221-234, 2017

3 이진영, "제주도 상창리 제4기 퇴적층 연대와 화산활동" 대한지질학회 50 (50): 697-706, 2014

4 안웅산, "방사성탄소연대와 광여기루미네선스연대 비교를 통한 거문오름 분출시기 연구" 대한지질학회 53 (53): 367-376, 2017

5 안웅산, "고문헌에 기록된 제주도 최후기 화산활동에 관한 연구" 한국암석학회 25 (25): 69-83, 2016

6 Ramos, F. C., "U-series and 40Ar/39Ar ages of Holocene volcanic rocks at Changbaishan volcano, China" 44 : 511-514, 2016

7 Aitken, M. J., "Thermoluminescence Dating" Academic Press 359-, 1985

8 Murray, A. S., "The single aliquot regenerative dose protocol : potential for improvements in reliability" 37 : 377-381, 2003

9 Tatsumi, Y., "The petrology and geochemistry of volcanic rocks on Jeju Island : plume magmatism along the Asian continental margin" 46 : 523-553, 2005

10 Mauz, B., "The alpha effectiveness in silt-sized quartz : new data obtained by single and multiple aliquot protocols" 24 : 47-52, 2006

11 Sun, X., "TT-OSL and post-IR IRSL dating of the Dali Man site in central China" 434 : 99-106, 2017

12 Sohn, Y. K., "Stratigraphy, petrochemistry and Quaternary depositional record of the Songaksan tuff ring, Jeju Island, Korea" 119 : 1-20, 2002

13 Brenna, M., "Spatio-temporal evolution of a dispersed magmatic system and its implications for volcano growth, Jeju Island volcanic field, Korea" 148 : 337-352, 2012

14 Bonde, A., "Santorini: luminescence dating of a volcanic province using quartz?" 20 : 789-793, 2001

15 Koh, J. S., "Petrology of the volcanic rocks in the Paekrogdam Crater area, Mt. Halla, Jeju Island" 12 : 1-15, 2003

16 Tsukamoto, S., "Performance of pulsed OSL stimulation for minimising the feldspar signal contamination in quartz samples" 84 : 26-33, 2016

17 Ankjærgaard, C., "Optimising the separation of quartz and feldspar optically stimulated luminescence using pulsed excitation" 45 : 778-785, 2010

18 Godfrey-Smith, D. I., "Optical dating studies of quartz and feldspar sediment extracts" 7 : 373-380, 1988

19 Cheong, C. S., "Optical dating of hydromagmatic volcanoes on the southwestern coast of Jeju Island, Korea" 2 : 266-271, 2007

20 Gliganic, L. A., "OSL surface exposure dating of a lithic quarry in Tibet : laboratory validation and application" 49 : 199-204, 2019

21 Tsukamoto, S., "OSL of tephric loess and volcanic quartz in Japan and an alternative procedure for estimating De from a fast OSL component" 37 : 459-465, 2003

22 Fuchs, M., "OSL and IRSL dating of raised beach sand deposits along the southeastern coast of Norway" 10 : 195-200, 2012

23 Wallinga, J., "Measurement of the dose in quartz in the presence of feldspar contamination" 101 : 367-370, 2003

24 Murray, A. S., "Luminescence dating of quartz using an improved single-aliquot regenerative-dose protocol" 32 : 57-73, 2000

25 Choi, J. H., "Luminescence characteristics of quartz from the Southern Kenyan Rift Valley : dose estimation using LM-OSL SAR" 41 : 847-854, 2006

26 Dosseto, A., "Late Quaternary fluvial incision and aggradation in the Lesser Himalaya, India" 197 : 112-128, 2018

27 Marco Brenna, "Intraplate volcanism influenced by distal subduction tectonics at Jeju Island, Republic of Korea" Springer Science and Business Media LLC 77 (77): 2015

28 Reimer, P. J., "IntCal13 and Marine13 radiocarbon age calibration curves 0-50, 000 years cal BP" 55 : 1869-1887, 2013

29 Brenna, M., "How small-volume basaltic magmatic systems develop : a case study from the Jeju Island volcanic field, Korea" 53 : 985-1018, 2012

30 Lee, K., "Historical seismicity of Korea" 96 : 846-855, 2006

31 Li, B., "Extending the age limit of luminescence dating using the dose-dependent sensitivity of MET-pIRIR signals from K-feldspar" 17 : 55-67, 2013

32 Esser, R. P., "Excess argon in melt inclusions in zero-age anorthoclase feldspar from Mt. Erebus, Antarctica, as revealed by the 40Ar39Ar method" 61 : 3789-3801, 1997

33 손영관, "Early-stage volcanism and sedimentation of Jeju Island revealed by the Sagye borehole, SW Jeju Island, Korea" 한국지질과학협의회 8 (8): 73-84, 2004

34 Nakamura, E., "Chemical geodynamics in a back arc region around the Sea of Japan : implications for the genesis of alkaline basalts in Japan, Korea and China" 94 : 4634-4654, 1989

35 Bronk Ramsey, C., "Bayesian analysis of radiocarbon dates" 51 : 337-360, 2009

36 Tsukamoto, S., "Assessing the potential for luminescence dating of basalts" 6 : 61-70, 2011

37 Roberts, H. M., "Assessing the effectiveness of the double-SAR protocol in isolating a luminescence signal dominated by quartz" 42 : 1627-1636, 2007

38 Denby, P. M., "Application of pulsed OSL to the separation of the luminescence components from a mixed quartz/feldspar sample" 41 : 774-779, 2006

39 Aitken, M. J., "An Introduction to Optical Dating" Oxford University Press 267-, 1998

40 Sohbati, R., "Age of a prehistoric"Rodedian"cult site constrained by sediment and rock surface luminescence dating techniques" 30 : 90-99, 2015

41 Wintle, A. G., "A review of quartz optically stimulated luminescence characteristics and their relevance in singlealiquot regeneration dating protocols" 41 : 369-391, 2006

42 Jenkins, G. T. H., "A new approach for luminescence dating glaciofluvial deposits-high precision optical dating of cobbles" 192 : 263-273, 2018

43 Thiel, C., "A comparison of TT-OSL and post-IR IRSL dating of coastal deposits on Cap Bon peninsula, north-eastern Tunisia" 10 : 209-217, 2012