"Chemical composition of the green-glazed stoneware from 5 kiln sites around Angkor, determined by WD-XRF, presented in the order of the hierarchical cluster classification of figure 3b" Analysis Number Kiln sites Compositional group CaO Fe2O3 TiO2 K2O SiO2 Al2O3 MgO MnO Na2O P2O5 Zr Sr Rb Zn Cr Ni La Ba V Ce Y Th Pb Cu wt% ppm KHM242 Khnar Po GGS1 0.10 1.56 0.824 3.02 75.09 18.15 0.92 0.0097