Samples ID | Petrography | AGE | Lithotype | Pb206/ Pb204 | 2SE(M) | Pb207/ Pb204 | 2SE(M) | Pb208/ Pb204 | 2SE(M) | |
RM 1 | Whole rock | Leuc-theph | 1.5 - 0.3 MA | Lava | 18.866 | 0.011 | 15.749 | 0.009 | 39.268 | 0.026 |
RM 1 | Separate | Ksp | 18.739 | 0.001 | 15.612 | 0.001 | 38.762 | 0.003 | ||
RM 3 | Whole rock | K-Basalt | 0.3 MA | Lava | 18.943 | 0.006 | 15.617 | 0.005 | 38.968 | 0.016 |
RM 3' | Whole rock | 19.167 | 0.004 | 15.683 | 0.003 | 39.209 | 0.01 | |||
RM 5 | Whole rock | K-Basalt | 0.3 MA | Lava | 18.827 | 0.003 | 15.684 | 0.003 | 39.048 | 0.009 |
RM 6 | Whole rock | K-Basalt | 0.3 MA | Lava | 18.839 | 0.003 | 15.680 | 0.003 | 39.039 | 0.009 |
RM 7 | Whole rock | Leuc-tephr | 1.5 - 0.3 MA | Lava | 18.716 | 0.004 | 15.605 | 0.003 | 38.784 | 0.008 |
RM 7 | Separate | Ksp | 18.749 | 0.002 | 15.608 | 0.001 | 38.794 | 0.003 | ||
RM 8 | Whole rock | K-basalt | 0.3 MA? | Lava | 19.119 | 0.002 | 15.677 | 0.002 | 39.177 | 0.005 |
RM 10 | Whole rock | Latite | 0.3 MA | Spatter cone? | 19.093 | 0.002 | 15.678 | 0.002 | 39.173 | 0.008 |
RM 12 | Whole rock | Trachibasalt | 0.3 MA? | lava | 18.884 | 0.003 | 15.687 | 0.007 | 39.080 | 0.018 |
CF X | Whole rock | K-Basalt | lava | 19.201 | 0.0009 | 15.630 | 0.0007 | 39.116 | 0.002 | |
CF 1 | Whole rock | Trachibasalt | >40 ky BP | Scoria | 19.032 | 0.004 | 15.620 | 0.002 | 38.948 | 0.008 |
CF 2 | Whole rock | Trachibasalt | 40 - 17 ky BP | Scoria | 19.126 | 0.0006 | 15.615 | 0.0005 | 39.002 | 0.006 |
CF 3 | Whole rock | Trachibasalt | 17,000 y BP | Scoria | 18.970 | 0.001 | 15.593 | 0.001 | 38.837 | 0.003 |
CF 5 | Whole rock | Latite | ? | Scoria | 18.971 | 0.002 | 15.628 | 0.001 | 38.950 | 0.004 |
CF 6 | Whole rock | Latite | 14,000 y BP | Scoria | 19.012 | 0.003 | 15.647 | 0.003 | 39.042 | 0.009 |
CF 7 | Whole rock | Trachyte | 10,000 y BP | Pomice | 18.963 | 0.0007 | 15.666 | 0.0006 | 38.909 | 0.002 |
CF 8 | Whole rock | Latite | 40 - 10 ky BP | Pomice | 18.989 | 0.002 | 15.638 | 0.002 | 38.990 | 0.007 |
CF 9 | Whole rock | Latite | 10 - 4 ky BP | Pomice | 18.922 | 0.002 | 15.650 | 0.003 | 38.965 | 0.006 |
CF 10 | Whole rock | Trachibasalt | 8 - 5 ky BP | Pomice | 18.936 | 0.001 | 15.580 | 0.0009 | 38.798 | 0.002 |
CF 10 | ||||||||||
CFb 1 | Whole rock | Basalt | Lava | 18.974 | 0.002 | 15.684 | 0.002 | 39.082 | 0.008 | |
CFb 2 | Whole rock | Basalt | Lava | 18.953 | 0.002 | 15.609 | 0.001 | 38.855 | 0.004 | |
CFb 1 | Ksp | Basalt | 19.044 | 0.002 | 15.626 | 0.002 | 38.934 | 0.005 | ||
CFb 2 | Ksp | Basalt | 19.133 | 0.002 | 15.615 | 0.001 | 39.026 | 0.004 | ||
CFb 3 | Ksp | Leuc-tephr. | 19.277 | 0.001 | 15.659 | 0.0009 | 39.211 | 0.003 | ||
CFb 4 | Ksp | Leuc-tephr. | 19.241 | 0.002 | 15.641 | 0.001 | 39.138 | 0.004 | ||
ICB 1 | Separate | Sanidine | 37 - 33 ky BP | 19.085 | 0.002 | 15.616 | 0.002 | 39.011 | 0.004 | |
ICB 2 | Separate | Sanidine | 37 - 33 ky BP | 19.159 | 0.003 | 15.695 | 0.004 | 39.266 | 0.014 | |
ICB 3 | Separate | Sanidine | 37 - 33 ky BP | 19.136 | 0.005 | 15.663 | 0.003 | 39.179 | 0.008 | |
ICB 4 | Separate | Sanidine | 37 - 33 ky BP | 19.136 | 0.005 | 15.663 | 0.003 | 39.061 | 0.003 | |
ICB 5 | Separate | Sanidine | 37 - 33 ky BP | 19.102 | 0.001 | 15.635 | 0.001 | 39.064 | 0.004 | |
ICB HB6a | Separate | Sanidine | 37 - 33 ky BP | 19.112 | 0.001 | 15.649 | 0.001 | 39.118 | 0.005 | |
ICB HB6b | Separate | Sanidine | 37 - 33 ky BP | 19.114 | 0.0007 | 15.642 | 0.0005 | 39.085 | 0.001 | |
ICB HB7a | Separate | Sanidine | 37 - 33 ky BP | 19.122 | 0.0007 | 15.627 | 0.0006 | 39.049 | 0.001 | |
ICB 8 | Separate | Sanidine | 37 - 33 ky BP | 19.023 | 0.003 | 15.629 | 0.002 | 39.044 | 0.006 | |
ICB 9 | Separate | Sanidine | 37 - 33 ky BP | 19.128 | 0.0009 | 15.635 | 0.0007 | 39.078 | 0.002 | |
ICB 9sec | Separate | Sanidine | 37 - 33 ky BP | 19.150 | 0.007 | 15.678 | 0.006 | 39.226 | 0.006 | |
ICB 10 | Separate | Sanidine | 37 - 33 ky BP | 19.133 | 0.0007 | 15.650 | 0.0006 | 39.122 | 0.001 | |
ICB 11 | Separate | Sanidine | 37 - 33 ky BP | 19.093 | 0.0009 | 15.625 | 0.0009 | 39.026 | 0.003 | |
ICB 12 | Separate | Sanidine | 37 - 33 ky BP | 19.108 | 0.0009 | 15.623 | 0.0008 | 39.046 | 0.002 | |
ICB 13 | Separate | Sanidine | 37 - 33 ky BP | 19.106 | 0.001 | 15.625 | 0.001 | 39.037 | 0.003 |