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Table 1 Chemical analysis data of major oxides (%) and trace rare earth elements (ppm), of the studied rocks

From: Mineralogy, geochemistry, petrography, and depositional environment of Gebel El-Qurn, Early Eocene, West Luxor, South Egypt

  1 2 3 4 5 6 7 8 9 10 Mim. Max. Average
CaO 50.84 32.21 48.21 51.36 50.84 48.27 51.21 49.51 50.41 38.44 32.21 51.36 47.13
MgO 3.26 1.01 2.11 0.8 3.51 3.85 2.57 1.92 2.1 2.04 0.8 3.85 2.317
SiO2 2.33 23.74 5.34 3.25 1.25 3.45 4.52 3.55 3.24 18.75 1.25 23.74 6.942
Al2O3 0.63 0.81 1.95 0.98 0.51 1.97 1.92 0.95 0.92 0.8 0.51 1.97 1.144
Fe2O3 0.76 0.64 0.84 0.78 0.82 0.89 0.74 0.81 0.91 0.85 0.64 0.91 0.804
Na2O 0.11 0.1 0.21 0.12 0.11 0.15 0.16 0.19 0.18 0.12 0.1 0.21 0.145
K2O 0.03 0.03 0.02 0.03 0.03 0.03 0.02 0.03 0.02 0.03 0.02 0.03 0.027
P2O5 0.22 0.25 0.24 0.26 0.27 0.25 0.3 0.22 0.24 0.25 0.22 0.3 0.25
Cl 0.08 0.09 0.11 0.01 0.09 0.14 0.2 0.15 0.15 0.11 0.01 0.2 0.113
LOI 41.6 41.02 41.11 41.91 41.82 40.97 38.74 42.51 41.65 38.57 38.57 42.51 40.99
Ti 60 77 65 70 62 75 55 88 50 80 50 88 68
Sr 445 510 400 470 520 490 460 510 500 520 400 520 483
Sc 30 35 25 24 20 19 29 28 32 22 19 35 26.4
V 24.5 29 35 28 26 30 19 22.5 23.4 24.3 19 35 26.17
Cr 34.6 35 38 37 36.4 40 23.8 37 34.5 33.8 23.8 40 35.01
Mn 50.2 52 48 55 59 58 60 55.4 36.5 49.7 36.5 60 52.38
Co 0.4 0.5 0.3 0.6 0.4 0.8 0.7 0.5 0.4 0.3 0.3 0.8 0.49
Ni 10.8 11.5 12 14.2 11.5 15.1 14.2 13.4 12.7 13.7 10.8 15.1 12.91
Cu 5.8 6.1 6.5 5.8 5.9 4.9 6.2 7.1 6.8 6.9 4.9 7.1 6.2
Zn 54.4 57.4 55.3 60.2 62.3 59 58.1 57.5 61.5 62.4 54.4 62.4 58.81
Ga 0.5 0.4 0.4 0.3 0.5 0.5 0.06 0.03 0.04 0.05 0.03 0.5 0.278
As 0.8 0.7 0.6 0.5 0.5 0.6 0.3 0.4 0.7 0.8 0.3 0.8 0.59
Se 0.6 0.04 0.05 0.06 0.06 0.08 0.07 0.06 0.05 0.06 0.04 0.6 0.113
Br 1.5 1.3 1.5 2.1 2.4 1.9 1.6 1.5 2.2 1.8 1.3 2.4 1.78
Mo 2 3 2.4 1.8 2.5 2.7 3 3.5 3.8 3.8 1.8 3.8 2.85
Y 0.8 0.9 0.7 0.8 0.6 0.9 0.8 0.6 0.8 0.8 0.6 0.9 0.77
Zr 5.5 7.4 6.8 5.9 5.8 6.5 7 7.5 6.4 5.9 5.5 7.5 6.47
Ag 0.1 0.1 0.1 0.1 0.2 0.1 0.1 0.2 0.1 0.1 0.1 0.2 0.12
As 0.8 0.9 1.1 0.9 0.7 0.8 0.7 1.2 1.3 0.9 0.7 1.3 0.93
Sn 0.4 0.4 0.3 0.5 0.3 0.4 0.4 0.5 0.5 0.3 0.3 0.5 0.4
Sb 1.5 1.3 1.3 1.5 2.1 1.9 1.8 1.7 1.8 1.9 1.3 2.1 1.68
I 11.8 12.5 12 13.1 11.8 12.8 13.1 12.7 11.9 11.5 11.5 13.1 12.32
Cs 16.8 17.3 17.5 15.4 16.8 18.1 17.3 19.1 16.7 16.5 15.4 19.1 17.15
Ba 70.2 75 78 80 79 82 75.4 77.3 78.6 75.2 70.2 82 77.07
La 11.2 12 11.7 12.4 13.1 12.3 14.2 12.5 12.7 11.4 11.2 14.2 12.35
Nd 4.3 4.1 5.2 5.3 4.9 4.3 3.9 3.7 4.6 4.9 3.7 5.3 4.52
Sm 5.4 5.9 5.7 5.2 6.7 4.9 5.6 6.5 4.8 5.6 4.8 6.7 5.63
Hf 1.9 1.1 1.8 2.1 1.9 1.9 1.5 2.4 2.4 2.3 1.1 2.4 1.93
W 2.2 2.5 3.1 2.4 1.9 3.2 2.8 2.7 2.5 2.8 1.9 3.2 2.61
Bi 0.8 0.8 0.6 0.7 0.5 0.9 0.4 0.4 0.6 0.8 0.4 0.9 0.65
U 4 4 5 4.5 5.2 4.9 5.9 4.8 4.5 5 4 5.9 4.78
Th 5.8 5.9 6.5 6.1 5.8 5.5 6.3 6.4 6.6 6.2 5.5 6.6 6.11
ΣREE 870.00 977.14 853.95 933.56 972.56 964.38 894.93 992.2 926.19 975.61 764.3 1050.5 936.35
Nor. Calc. 90.74 57.49 86.05 91.67 90.74 86.15 91.40 88.37 89.97 68.61 57.49 91.67 84.12
Nor.Dolo. 6.82 2.11 4.41 1.67 7.34 8.05 5.37 4.02 4.39 4.27 1.67 8.05 4.85
LREEs 21.4 22.4 23 23.2 25.2 22 23.76 22.73 22.14 21.95 19.73 26.7 22.78
HREEs 6.2 7 7.2 7.9 6.4 6.3 7.5 7.7 5.6 4.7 4.5 8 6.65
REE/HREES 3.45 3.20 3.19 2.94 3.94 3.49 3.17 2.95 3.95 4.67 4.38 3.34 3.43
Sr/Ca 0.00098 0.00155 0.00104 0.00019 0.00098 0.00104 0.00088 0.00101 0.00099 0.00117 0.00031 0.00097 0.00098