Clues to Cretaceous subduction initiation in South-East Asia - A geochronological and geochemical perspective from the Andaman Ophiolite

Supporting Information for the manuscript titled<br><i>Clues to Cretaceous subduction initiation in South-East Asia - A geochronological and geochemical perspective from the Andaman Ophiolite</i><i><br></i><i>Contents:<br></i><br><b>Supplementary figure 1</b> Typical morphologies of zircon in the three populations investigated. Numbers correspond to those in Table 3. The grains are about 70-150 micron long.<br><b>Supplementary figure 2</b> N-MORB (a,d,g,j,m,p); with emphasis on LILE (b,e,h,k,n,q) and chondrite (c,f,i,l,o,r) normalized spidergram for volcanic rocks of Andaman ophiolite.<br><b>Supplementary figure 3</b> (a,b,c,d) primitive mantle; (e,f,g,h) chondrite normalized spidergram for clinopyroxene trace element concentration of forearc peridotites from literatures. (i,j) Domain of forearc peridotite with clinopyroxene data from Daito ridge (Morishita et al. 2018b). Clinopyroxene trace element pattern of Rutland Island peridotite is also shown.<br><b>Supplementary figure 4</b> (a) AFM (Irvine and Baragar, 1971) plot and trace element-based alkalinity test diagram (Ross and Bédard, 2009) (b) Th/Yb-Zr/Y; (c) Y-Zr; (d) Yb-La, (e) Yb-Th for volcanic rocks of Andaman ophiolite<br><b>Supplementary Table 1. </b>Analyses for blanks, replicates and standards used for bulk rock analysis of volcanic rocks<b><br></b><b>Supplementary Table 2. </b>Compilation of the available bulk rock geochemical data of volcanic rocks from Andaman and Nicobar Islands (including the data obtained in the present study)<br>