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Table 1 Concentration of major (%), trace, and rare earth elements (ppm) of the studied carbonate rocks as well as ratios

From: Geochemical studies of carbonates of the Tayiba Formation (Upper Eocene), Abu Zenima area, West Central Sinai

Element12345678Min.Max.Average
CaO26.6225.7327.125.9427.5425.4124.9527.824.9527.826.39
MgO1.771.811.540.941.992.12.42.50.942.51.88
SiO226.7526.6325.3127.3725.1424.726.425.124.727.3725.93
Al2O310.210.1510.5410.9412.159.8511.210.349.8512.1510.67
Fe2O33.393.452.973.542.153.413.22.942.153.543.13
Na2O0.262.581.370.941.040.271.941.640.262.581.26
K2O0.710.620.820.740.510.750.840.560.510.840.69
P2O50.370.370.360.350.410.410.520.310.310.520.39
TiO20.680.670.650.610.750.810.750.670.610.810.70
SrO0.1150.1140.120.120.180.130.120.140.1140.180.13
SO30.670.740.690.790.540.840.650.850.540.850.72
Cl0.110.120.10.110.170.160.180.180.10.180.14
LOI28.226.9117.9227.0127.4131.1226.8226.9317.9231.1226.54
Norm. Dolom.8.18.287.044.39.19.6110.9811.444.311.448.61
V53.4608080.195929710053.410082.19
Cr59.650.360.440.671.275788040.68064.39
Mn238.8250.1325.4280.1310315340384238.8384305.43
Co5.66.75.87.18.46.87.98.95.68.97.15
Ni47.250.361.462.871.5268799047.29066.28
Cu10.110.512.415.316.415.217.317.910.117.914.39
Zn109.1120112.8151.2165105164134105165132.64
Mo3.54.25.75.96.24.86.47.93.57.95.58
Zr129.4135.1140.8159145159164179129.4179151.41
Pb7.68.69.110.11211.412.916.17.616.110.98
Rb1920253024262932193225.63
Ga11.412.514.312.313.713.214.215.411.415.413.38
Se23345346263.75
Br2.5345.55.43.14.74.52.55.54.09
Y19.120.219.824.327.420.424.128.519.128.522.98
Nb13.715.416.214.817.218.715.416.413.718.715.98
As3.94.56.24.87.15.44.77.53.97.55.51
Te2.12.52.33.73.93.14.23.82.14.23.20
Sb4.14.55.14.85.72.53.13.82.55.74.20
I2325272930292534233427.75
Cs78698878697.63
Ba162.7170.5180.3185190189172201162.7201181.31
La27.428.5293035372540254031.49
Nd13.115.212.413.916.714.815.117.212.417.214.80
Sm17.418.420.319.721.819.920.222.717.422.720.05
Hf0.30.40.30.50.60.40.50.60.30.60.45
Sc2422272627313235223528.00
W15.816.817.617.918.418.114.919.214.919.217.34
Ti22322233232.38
Ce1518192225262527152722.13
U1.11.31.72.12.32.12.43.41.13.42.05
Th8.67.99.310.210.49.48.410.87.910.89.38
Ta43244344243.50
U/Mo0.310.310.30.360.370.440.380.430.310.430.37
V/Mo15.2614.2914.0413.5815.3219.1715.1612.6615.2612.6614.74
V/(V+Cr)0.470.540.570.660.570.550.550.560.570.560.60
ΣLREEs84.3092.6095.0097.90112.20110.9099.50122.3084.3122.3101.84
ΣHREEs43.1042.2046.8050.3054.4051.4056.1063.5042.263.550.98
ΣREEs366.50390.40412.80429.20459.90444.60414.10493.60366.5493.6426.39
La/Ce1.831.581.531.361.401.421.001.481.671.481.42