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Table 2 Chemical composition (major components in Wt.%) of Paleozoic mudrocks

From: Mineralogy and diagenetic impacts on chemical composition of Paleozoic mudrocks, southwestern Sinai, Egypt

AgeFms.S. No.SiO2Al2O3Fe2O3MgOCaONa2OK2OP2O5SO3−2ClL.O.I
PaleozoicLate PaleozoicEarly CarboniferousMagharet El Maiah7563.3817.130.630.310.340.651.120.074.380.0710.08
7367.4017.080.700.241.420.080.840.182.80.028.08
6639.2417.020.620.5010.000.300.530.0917.420.2412.44
El Hashash6269.6824.000.380.200.380.060.440.090.060.013.67
Early PaleozoicCambro-OrdovicianAdedia4051.8618.267.612.080.492.374.490.230.213.177.93
3559.5522.021.171.820.570.505.540.130.042.355.19
Abu
Hamata
3056.7820.555.291.541.480.135.330.601.500.054.03
2554.7023.576.191.990.560.895.750.240.150.534.08
2348.6917.827.342.530.593.815.310.290.064.297.92