Sample | GS35b | GS39 | GS41 | GS42 | GS43 | GS45 | GS48 | GS49 | GS51 | GS55 |
Lat. | 35˚42' 22.09N | 35˚39' 14.64N | 35˚38' 23.70N | 35˚38' 02.91N | 35˚38' 18.27N | 35˚38' 27.92N | 35˚38' 28.45N | 35˚38' 54.21N | 35˚37' 05.94N | 35˚36' 56.49N |
Long. | 36˚29' 04.81E | 36˚23' 29.09E | 36˚24' 56.05E | 36˚23' 37.64E | 36˚24' 08.27E | 36˚23' 38.81E | 36˚26' 40.76E | 36˚26' 22.38E | 36˚26' 11.65E | 36˚26' 39.74E |
SiO2 | 45.34 | 45.11 | 45.35 | 45.67 | 45.96 | 45.35 | 44.86 | 44.79 | 46.27 | 44.38 |
TiO2 | 2.58 | 2.91 | 2.84 | 2.87 | 3.06 | 3.10 | 0.98 | 3.07 | 2.55 | 2.76 |
Al2O3 | 14.17 | 14.94 | 14.53 | 15.03 | 14.77 | 14.69 | 12.48 | 14.74 | 13.27 | 14.81 |
Fe2O3 | 7.84 | 9.97 | 9.45 | 8.02 | 8.98 | 9.05 | 10.64 | 7.98 | 8.58 | 6.83 |
FeO | 8.44 | 8.25 | 7.97 | 8.36 | 7.59 | 7.70 | 9.30 | 8.09 | 8.26 | 8.91 |
MgO | 7.62 | 6.82 | 7.41 | 6.55 | 6.46 | 6.26 | 7.57 | 7.13 | 6.50 | 8.28 |
CaO | 10.56 | 8.88 | 9.10 | 9.68 | 8.92 | 9.74 | 9.75 | 9.83 | 10.63 | 9.42 |
Na2O | 2.45 | 1.54 | 1.64 | 1.87 | 2.72 | 2.59 | 1.89 | 2.58 | 2.58 | 2.39 |
K2O | 0.91 | 1.41 | 1.60 | 1.81 | 1.20 | 1.22 | 1.02 | 0.91 | 0.94 | 1.61 |
MnO | 0.05 | 0.15 | 0.20 | 0.17 | 0.14 | 0.09 | 0.08 | 0.11 | 0.16 | 0.13 |
P2O5 | 0.09 | 0.11 | 0.09 | 0.08 | 0.07 | 0.08 | 0.12 | 0.08 | 0.10 | 0.08 |
L.O.I | 0.04 | 0.13 | 0.01 | 0.05 | 0.23 | 0.21 | 1.38 | 0.72 | 0.22 | 0.39 |
Total | 100.22 | 100.19 | 100.16 | 100.10 | 100.08 | 100.07 | 100.03 | 100.06 | 99.98 | 100.09 |
CIPW norms | ||||||||||
DI | 21.83 | 11.32 | 13.85 | 16.52 | 15.48 | 18.45 | 20.71 | 17.98 | 17.03 | 17.43 |
HY | 4.12 | 13.76 | 14.08 | 12.44 | 10.75 | 7.72 | 15.58 | 5.86 | 11.96 | 0.00 |
OL | 6.60 | 0.00 | 0.00 | 0.00 | 0.00 | 0.54 | 0.00 | 0.00 | 0.00 | 13.23 |
AN | 24.98 | 29.69 | 27.56 | 27.27 | 24.55 | 24.85 | 22.56 | 25.95 | 31.34 | 24.93 |
OR | 5.38 | 8.33 | 9.45 | 10.70 | 7.09 | 7.21 | 6.03 | 5.38 | 1.30 | 9.51 |
MG | 11.37 | 14.45 | 13.70 | 11.63 | 13.02 | 13.12 | 15.43 | 14.47 | 12.44 | 9.90 |
IL | 4.90 | 5.53 | 5.39 | 5.45 | 5.81 | 5.89 | 1.86 | 5.83 | 4.84 | 5.24 |
AP | 0.21 | 0.26 | 0.21 | 0.19 | 0.17 | 0.19 | 0.28 | 0.19 | 0.24 | 0.19 |
D.I. | 26.11 | 25.07 | 25.30 | 26.54 | 30.23 | 29.12 | 22.34 | 29.02 | 19.61 | 28.65 |
Mg# | 65 | 73 | 70 | 67 | 61 | 63 | 67 | 65 | 87 | 62 |
Trace elements (ppm) | ||||||||||
Co | 45 | 42 | 56 | 42 | 43 | 56 | 46 | 48 | 51 | 56 |
Cr | 324 | 327 | 331 | 316 | 289 | 328 | 271 | 270 | 247 | 330 |
Ni | 158 | 188 | 164 | 146 | 115 | 157 | 150 | 160 | 158 | 193 |
Ba | 796 | 746 | 652 | 668 | 583 | 745 | 695 | 732 | 771 | 805 |
Sr | 1271 | 1233 | 1403 | 1305 | 1123 | 1280 | 1311 | 1351 | 1320 | 1405 |
V | 195 | 183 | 193 | 171 | 176 | 184 | 193 | 180 | 186 | 190 |
Zr | 255 | 232 | 185 | 213 | 224 | 227 | 219 | 261 | 256 | 241 |
Nb | 124 | 99 | 79 | 81 | 85 | 88 | 78 | 109 | 98 | 119 |
Y | 24 | 26 | 26 | 24 | 26 | 24 | 26 | 28 | 22 | 23 |
Ce | 129 | 124 | 144 | 135 | 126 | 147 | 135 | 144 | 136 | 140 |