| Al2O3 | 10.78 | 0.09 | Mass fraction (10  -2 ) |  | 
                                    
                                        | SiO2 | 67.21 | 0.40 | Mass fraction (10  -2 ) |  | 
                                    
                                        | As | 9.8 | 0.9 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | B | (51) |  | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Ba | 469 | 23 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Be | 2.0 | 0.3 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Bi | (0.20) |  | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Cd | (0.22) |  | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Cl | 600 | 42 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Co | 9.4 | 1.4 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Cr | 61 | 5 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Dy | 17 | 1 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | F | (414) |  | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Ga | 12 | 2 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Hg | 0.031×1000 | 0.005 | Mass fraction (10-9) |  | 
                                    
                                        | La | 36 | 5 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Li | 27 | 2 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Mo | (0.94) |  | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Nb | 12 | 1 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Ni | 23 | 2 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Pb | 21 | 5 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Rb | 86 | 10 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Sb(T) | 0.84 | 0.18 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Se | 0.14 | 0.04 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Sn | 2.9 | 0.6 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Sr | 227 | 7 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Te | (0.039) |  | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Th | 9.6 | 1.2 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | U | 1.9 | 0.4 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | V | 63 | 4 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | W | 1.5 | 0.1 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Y | 21 | 4 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Zn | 51 | 6 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Zr | 291 | 21 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | Fe2O3 | 2.28 | 0.14 | Mass fraction (10  -2 ) |  | 
                                    
                                        | TFe2O3 | (3.46) |  | Mass fraction (10  -2 ) |  | 
                                    
                                        | FeO | (1.06) |  | Mass fraction (10  -2 ) |  | 
                                    
                                        | CaO | 5.21 | 0.05 | Mass fraction (10  -2 ) |  | 
                                    
                                        | MgO | 1.73 | 0.15 | Mass fraction (10  -2 ) |  | 
                                    
                                        | K2O | 2.5 | 0.04 | Mass fraction (10  -2 ) |  | 
                                    
                                        | N | 0.064 | 0.006 | Mass fraction (10  -2 ) |  | 
                                    
                                        | S | 340 | 40 | Mass fraction (10  -6  sup>) |  | 
                                    
                                        | H2O+ | 2.29 | 0.14 | Mass fraction (10  -2 ) |  | 
                                    
                                        | CO2 | 3.48 | 0.21 | Mass fraction (10  -2 ) |  |