Lewan GeoConsulting in Collaboration with Drs. Rooney and Selby have Provided a better understanding of the influence of thermal maturation induced by hydrous pyrolysis of ages determined by K/Ar and Os/Re isotope methods.

Carbon_Isotopes_Kerogen

Dias et al OGC_67(2014)_1_7 (1)

Dias et al OGC_2014 Coal

Dias Org Acid Isotope paper

GCARoleofWater

Koopman Sequestering Biomarker paper Ghareb 1998

Koopman Biomarker paper

Ladderane Paper Jeschka

Schimmelmann Org_Geochem2001hydrogen and Carbon isotopes

Source of Mummy Bitumen

Phosphoria_HP_Steroids