|
Core,
section,
interval (cm): |
3R-CC,
15-18 |
5R-1,
108-110 |
1R-1,
130-133 |
12R-1,
8-10 |
14R-1,
112-114 |
18R-1,
77-79 |
|---|---|---|---|---|---|---|
|
Depth (mbsf):
|
17.05
|
51.54
|
63.9
|
91.48
|
111.72
|
150.07
|
| Oxides (wt%): | ||||||
| SiO2 | 49.85 | 51.54 | 58.47 | 48.43 | 49.68 | 55.56 |
| Al2O3 | 15.18 | 14.52 | 14.79 | 15.47 | 15.86 | 15.46 |
| Fe2O3 | 10.67 | 11.18 | 7.10 | 11.86 | 12.13 | 6.97 |
| MgO | 5.45 | 6.16 | 4.58 | 5.50 | 5.75 | 4.4 |
| CaO | 5.01 | 4.12 | 4.86 | 4.22 | 3.2 | 5.16 |
| Na2O | 3.16 | 3.25 | 3.60 | 2.85 | 3.64 | 3.54 |
| K2O | 1.528 | 1.188 | 1.729 | 1.045 | 1.184 | 3.369 |
| TiO2 | 1.028 | 0.944 | 1.055 | 1.057 | 1.011 | 0.965 |
| MnO | 0.109 | 0.125 | 0.069 | 0.108 | 0.114 | 0.059 |
| P2O5 | 0.200 | 0.109 | 0.171 | 0.174 | 0.151 | 0.373 |
| LOI | 7.30 | 6.77 | 3.52 | 8.93 | 7.55 | 5.2 |
| Total | 99.49 | 99.91 | 99.94 | 99.64 | 11.27 | 100.16 |
| Trace elements (ppm): | ||||||
| Ba | 132.8 | 369.1 | 145.6 | 178.5 | 178.5 | 624.8 |
| V | 259.3 | 232.8 | 228.5 | 266.1 | 9.1 | 31.4 |
| La | 6.1 | 10.8 | 6.7 | 8.3 | 8.3 | 29.4 |
| Ce | 21.2 | 30.9 | 25.9 | 28.1 | 28.1 | 68.5 |
| Nd | 10.9 | 15.9 | 14.7 | 16.2 | 16.2 | 33.5 |
| Cr | 184.6 | 459.6 | 185.2 | 224.5 | 224.5 | 1881.1 |
| Ni | 79.8 | 139.5 | 82.7 | 125.8 | 125.8 | 111 |
| Cu | 133.8 | 54.7 | 93.9 | 172.9 | 172.9 | 70.8 |
| Zn | 90.9 | 75.3 | 103.9 | 101 | 101 | 71.4 |
| Pb | 6.4 | 12.4 | 10.4 | 15.5 | 15.5 | 15.1 |
| Rb | 22.7 | 33.4 | 26.5 | 31.8 | 31.8 | 53.2 |
| Sr | 512.0 | 235.1 | 201.7 | 593.1 | 201.7 | 593.1 |
| Y | 18.9 | 14.2 | 23.6 | 22.3 | 22.3 | 21.2 |
| Zr | 90.6 | 120.3 | 105.6 | 102.6 | 102.6 | 247.8 |
| Nb | 3.8 | 5.3 | 4.5 | 4.3 | 4.3 | 8.6 |
Note: LOI = loss on ignition.