Methods to extract Biomarkers Spread the love Experimental methods to extract biomarkers.Step 1: Source Rock Step 2: Extracting the kerogen and bitumen ↓ Step 3: Silica column fractionation ↓ Step 4: Aromatic and Saturated fractions ↓ Step5: Gas chromatography-mass spectrometry mass spectrometry (GCMSMS) ↓ Agilent Mass Hunter ↓ Biomarker for Environmental Indicator >>Biomarker classification >>>Lipids >>>>Acetogenic lipids >>>>Isoprenoids >>>>Acyclic and cyclic isoprenoids >>>>Polycyclic isoprenoids >>>>Hopanoids >>>>Steroids >>>>Carotenoids >>>>Squalene >>>Kerogen >>>Diagenesis and catagenesis >>Biomarker as Source Indicator >>>Steranes, hopanes etc >>>Hydrocarbons >>>Environmental Indicators >>>Indicators of Euxinia >>Experimental methods to extract biomarkers >>>Source rock >>>Extraction >>>Fractionation >>>GCMS