|
Core,
section,
interval (cm): |
8R-1,
54-55 |
11-CC,
10-12 |
12R-1,
62-64 |
16R-CC,
5-7 |
22R-1,
13-14 |
26R-1,
15-18 |
|---|---|---|---|---|---|---|
|
Depth (cm):
|
65.14
|
95.02
|
122.9
|
141.85
|
199.53
|
237.76
|
| Oxides (wt%): | ||||||
| SiO2 | 50.22 | 15.15 | 55.84 | 53.20 | 48.54 | 51.48 |
| Al2O3 | 15.62 | 4.37 | 17.82 | 14.86 | 14.62 | 14.06 |
| Fe2O3 | 11.27 | 2.07 | 6.05 | 9.58 | 11.88 | 8.27 |
| MgO | 5.58 | 1.46 | 3.64 | 5.10 | 6.03 | 4.91 |
| CaO | 3.66 | 39.73 | 5.60 | 4.79 | 4.92 | 5.75 |
| Na2O | 2.94 | 1.09 | 4.09 | 3.42 | 2.83 | 3.09 |
| K2O | 1.230 | 0.190 | 2.030 | 1.740 | 1.500 | 3.248 |
| TiO2 | 1.088 | 0.284 | 1.101 | 1.067 | 1.023 | 0.852 |
| MnO | 0.131 | 0.043 | 0.047 | 0.085 | 0.164 | 0.120 |
| P2O5 | 0.129 | 0.138 | 0.408 | 0.187 | 0.326 | 0.191 |
| LOI | 8.00 | 34.88 | 2.82 | 5.95 | 8.08 | 7.47 |
| Total | 99.87 | 99.41 | 99.54 | 99.93 | 99.87 | 99.44 |
| Trace elements (ppm): | ||||||
| Ba | 82.8 | 267.4 | 469.5 | 127.7 | 753.5 | 200.7 |
| V | 425.6 | 268.1 | 164.9 | 273.4 | 137.9 | 270.3 |
| La | 8.7 | 4.7 | 29.6 | 6.7 | 8.4 | 10.8 |
| Ce | 28.5 | 23.0 | 66.3 | 27.2 | 30.4 | 37.9 |
| Nd | 16.2 | 13.1 | 31.9 | 14.3 | 18.4 | 20.0 |
| Cr | 228.2 | 288.8 | 157.6 | 250.6 | 240.9 | 219.1 |
| Ni | 99.7 | 114.7 | 79.4 | 124.6 | 115.3 | 108.9 |
| Cu | 108.4 | 97.7 | 70 | 160.9 | 43.7 | 150.5 |
| Zn | 113.6 | 83.6 | 77.2 | 94.3 | 71.5 | 96.5 |
| Pb | 6 | 10.2 | 17.3 | 10.4 | 16.1 | 13.3 |
| Rb | 4.5 | 1.9 | 10.0 | 4.8 | 4.7 | 5.1 |
| Sr | 210.5 | 1554.9 | 801.6 | 375.5 | 291.7 | 448.1 |
| Y | 30.6 | 15.7 | 12.2 | 22.0 | 21.0 | 25.8 |
| Zr | 105.2 | 111.4 | 89.2 | 109.8 | 255.3 | 109.4 |
| Nb | 4.5 | 1.9 | 1.8 | 4.8 | 4.7 | 5.1 |
Note: LOI = loss on ignition.