Table 2.

Stable isotope and SEM-EDS mineralogy data for the 19 Heather Field samples

Well nameDepth (ft)δ13CVPDBδ18OVPDBPorosityQuartzK-FeldsparPlagioclaseCalciteIlliteMuscoviteBiotiteKaoliniteFe-Clay/chloritePyriteRutileApatiteZirconOthers
2/5_H110646.0−5.40−10.942.8749.8925.570.010.001.726.880.0513.300.030.391.530.190.020.43
2/5_H110711.92.1761.3617.880.055.683.218.930.042.320.080.200.080.020.000.14
2/5_H110729.00.2450.4811.380.2035.070.330.510.021.320.010.410.010.150.010.10
2/5_H110731.3−20.01−10.010.4649.9611.990.1135.400.340.330.011.150.000.590.030.020.000.08
2/5_H110734.8−12.34−9.700.5350.1712.770.1033.870.390.460.011.810.000.240.060.050.000.05
2/5_210820.0−26.39−10.220.1236.2721.260.0638.540.691.640.100.690.000.470.190.040.000.05
2/5_210843.6−30.57−10.230.1236.2721.260.0638.540.691.640.100.690.000.470.190.040.000.05
2/5_210861.0−11.77−9.157.3761.8621.200.043.753.022.600.055.650.131.230.050.120.010.27
2/5_210885.1−11.84−9.280.4249.3714.490.1631.910.440.460.012.400.000.130.040.500.000.09
2/5_H1811460.3−9.76−9.420.1040.5019.050.2330.940.801.890.075.330.050.240.680.090.020.12
2/5_H1811478.5−17.35−10.060.2544.0112.210.1740.300.560.970.041.180.000.210.190.060.000.08
2/5_H1811500.3−11.47−9.080.042.246.510.3079.122.534.100.322.720.021.790.120.110.000.12
2/5_H1811527.7−11.93−13.122.8450.5921.580.0417.540.830.920.100.220.137.400.030.150.010.48
2/5_H1811543.5−12.40−9.030.3548.4216.090.1432.330.560.640.021.460.000.220.020.030.010.05
2/5_H211773.0−11.34−13.000.1944.3421.180.0332.630.420.640.030.170.000.380.110.010.000.04
2/5_H211776.012.9560.9529.460.020.002.512.340.042.720.001.490.160.020.000.26
2/5_H211797.6−3.18−11.410.8146.4822.040.0428.970.910.550.020.360.040.450.030.010.010.08
2/5_H211808.6−3.92−11.351.7050.2122.670.0423.291.661.000.020.770.100.100.040.030.010.07
2/5_H211828.1−3.19−11.320.9151.8217.410.0428.600.460.450.010.910.000.190.010.040.000.04