Near-Surface Geochemical Anomalies Integrated with Seismic and Well Data over the Contact of the Outer Carpathians and the Carpathian Foredeep (SE Poland)

Table 7

Pearson correlation coefficients of hydrocarbons and hydrogen concentrations in analyzed soil gas samples.

Component	Methane	Ethane	Propane	i-Butane	n-Butane	Ethylene	Hydrogen
Methane	1	0.61; (481)	0.36; (173)	0.21; (31)	0.06; (56)	0.46; (343)	0.19; (298)
Ethane		1	0.71; (166)	0.31; (30)	0.06; (52)	0.69; (300)	0.55; (273)
Propane			1	0.87; (23)	0.76; (47)	0.65; (126)	0.49; (120)
i-Butane				1	0.91; (21)	0.58; (21)	0.49; (15)
n-Butane					1	0.46; (40)	0.38; (38)
Ethylene						1	0.27; (184)
Hydrogen							1

The numbers in brackets indicate the numbers of samples included in the calculation.