Table 3.

The TOC, TS and TS/TOC ratios of the Gufeng and lower–middle Yinping Formation in the Pingdingshan section

SampleDepth (m)MemberTOC (wt%)TS (wt%)TS/TOC
CSC-10.05LPMM2.912.941.01
CSC-30.25LPMM6.132.530.41
CSC-50.40LPMM7.962.260.28
CSC-70.60LPMM11.670.920.08
CSC-90.90LPMM13.490.890.07
CSC-111.20LPMM13.062.650.20
CSC-131.50LPMM11.703.540.30
CSC-151.90LPMM6.831.720.25
CSC-172.30LPMM10.792.280.21
CSC-192.50MCMM9.950.750.08
CSC-213.20MCMM9.290.780.08
CSC-244.20MCMM2.460.260.11
CSC-275.10MCMM6.100.480.08
CSC-306.00MCMM4.460.490.11
CSC-337.00MCMM12.250.680.06
CSC-358.00MCMM13.020.640.05
CSC-379.00MCMM9.940.690.07
CSC-4010.00MCMM6.320.810.13
CSC-4310.90MCMM4.630.730.16
CSC-4611.70MCMM9.061.060.12
CSC-4912.70MCMM7.991.060.13
CSC-5213.80MCMM7.971.040.13
CSC-5414.60MCMM6.600.880.13
CSC-5615.50MCMM6.580.800.12
CSC-5816.40MCMM8.400.510.06
CSC-6017.30MCMM18.901.160.06
CSC-6218.00MCMM7.240.530.07
CSC-6518.80MCMM15.060.740.05
CSC-6719.60MCMM18.930.860.05
CSC-6820.00MCMM24.731.070.04
CH-121.20MCMM14.840.750.05
CH-321.60MCMM12.930.770.06
CH-722.40MCMM11.850.550.05
CH-922.85MCMM9.900.540.05
CH-1023.00MCMM18.370.930.05
CH-1423.20MCMM15.471.020.07
CH-1723.70MCMM8.760.670.08
CH-1924.30MCMM21.651.360.06
CH-2124.70MCMM18.660.890.05
CH-2325.05MCMM20.800.840.04
CH-2425.20MCMM5.660.380.07
CH-2525.25MCMM21.070.730.03
CH-2625.30MCMM16.010.680.04
CH-2725.45MCMM15.350.640.04
CH-2825.65MCMM17.870.700.04
CH-2925.70MCMM15.020.690.05
CH-3025.85MCMM17.280.630.04
CH-3125.90MCMM16.940.610.04
CH-3226.00MCMM8.050.440.05
CH-3326.10MCMM18.870.760.04
CH-3426.20MCMM10.920.290.03
CH-3526.35MCMM22.110.880.04
CH-3626.40MCMM10.170.540.05
CH-3726.45MCMM14.970.570.04
CH-3826.60MCMM18.500.630.03
CH-3926.80MCMM6.600.420.06
CH-4027.00MCMM9.830.430.04
CH-4127.10MCMM13.200.530.04
CH-4227.30UMM14.151.320.09
CH-4327.50UMM13.281.710.13
CH-4427.65UMM18.311.920.10
CH-4527.80UMM15.191.120.07
CH-4628.00UMM19.401.700.09
CH-4728.30UMM23.662.230.09
CH-4828.50UMM21.791.440.07
CH-4928.65UMM23.752.390.10
CH-5028.75UMM16.321.210.07
CH-5128.90UMM19.411.750.09
CH-5229.10UMM18.711.530.08
CH-5329.30UMM20.730.880.04
CH-5429.45UMM17.460.730.04
CH-5529.70UMM15.500.770.05
CH-5629.90UMM16.110.620.04
CH-5730.00UMM13.860.640.05
CH-5830.20UMM21.451.600.07
CH-5930.60UMM27.561.730.06
CH-6030.80UMM21.242.740.13
GS-131.00LSM17.471.190.07
CH-6231.10LSM16.863.370.20
CH-6331.20LSM13.874.380.32
CH-6431.30LSM3.673.120.85
GS-331.40LSM2.073.821.85
CH-6531.50LSM5.734.780.83
CH-6631.60LSM7.684.680.61
CH-6731.70LSM4.373.460.79
GS-531.85LSM13.131.940.15
CH-6831.90LSM7.0910.311.46
CH-6932.00LSM10.207.580.74
GS-732.10LSM3.983.410.85
CH-7032.20LSM1.364.083.00
CH-7132.40LSM0.884.254.85
GS-932.50LSM1.010.750.75
CH-7232.70LSM0.944.024.26
CH-7332.90LSM1.004.354.33
CH-7433.20LSM1.034.354.24
GS-1133.40LSM2.391.680.70
GS-1333.80LSM1.163.382.91
GS-1534.40MSM0.670.130.20
GS-1835.30MSM0.730.110.15
GS-2136.10MSM1.940.750.39
GS-2537.50MSM0.580.430.74
GS-2838.50MSM0.800.380.47

LPMM, Lower Phosphate Nodule-bearing Mudstone Member; LSM, lower shale member; MCMM, Middle Chert–Mudstone Member; MSM, middle shale member; UMM, Upper Mudstone Member.