Which reference would be beneficial for using correlation and matching of surface geochemistry data (Acid Extracted (AE) Gas and GeoPAC Fluorescence analysis) which includes Σn-PC2-C4-ppm, C1/C2, C1/C3, C1/n-C4 and among others, with subsurface geochemical data of the (Rock-Eval analysis) that includes the S1, S2, TMAX, TOC and etc. parameter(s)?