*Debaditya Bandyopadhyay^1,2、Douwe J.J. van Hinsbergen³、Alexis Plunder^3,4、Biswajit Ghosh¹、Fernando Corfu⁵、Carl Guilmette⁶、Eldert L. Advokaat^3,7、Pinaki C. Bandopadhyay¹ (1.Department of Geology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata-700019, India、2.Department of Geology, University of North Bengal, Darjeeling-734013, India、3.Department of Earth Sciences, Utrecht University, Princetonlaan 8A, 3584 CB Utrecht, The Netherlands、4.BRGM, 3 avenue Claude Guillemin, BP 36009, 45060 Orléans Cedex 2, France、5.Department of Geosciences and CEED, University of Oslo, Oslo, Norway、6.E4m, Département de Géologie et de Génie Géologique, Université Laval, Québec, Québec, Canada、7.Department of Physical Geography, Utrecht University, Princetonlaan 8A, 3584 CD Utrecht, The Netherlands)