1. Department of Earth Sciences, Graduate School of Science Chiba University Chiba Japan
2. Division for Research and Education National Institute of Polar Research Tokyo Japan
3. Department of Polar Science The Graduate University for Advanced Studies (SOKENDAI) Tokyo Japan
4. Department of General Systems Studies, Graduate School of Arts and Sciences The University of Tokyo Tokyo Japan
5. Department of Geology and Mineralogy, Division of Earth and Planetary Sciences, Graduate School of Science Kyoto University Kyoto Japan
6. Advanced Asian Archaeological Research Center Kyushu University Fukuoka Japan
7. Geology Division Geological Survey and Mines Bureau of Sri Lanka Pitakotte Sri Lanka
8. Department of Geology, Faculty of Science The University of Peradeniya Peradeniya Sri Lanka
9. Department of Geology, Faculty of Science Niigata University Niigata Japan
10. Department of Environmental Changes, Faculty of Social and Cultural Studies Kyushu University Fukuoka Japan
11. Research School of Earth Sciences The Australian National University Canberra Australian Capital Territory Australia