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Disaster and Earth Science

Biomarker classification

hopanoids
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A biomarker is a general term, as any sort of compound used for deconvolving the many signals that help us reconstruct a paleoenvironment, and trace modern metabolic pathways. In the lipids section below, we classify biomarkers by structure. In the diagenesis and biogenic vs. abiogenic sections, we describe ways in which biomarkers may be used to understand these inputs into source rock creation.

biomarker
Lipids
Isotopes
Kerogen
Diagenesis and catagenesis

Biomarker classification

Lipids

Acetogenic lipids

Isoprenoids

Acyclic and cyclic isoprenoids

Polycyclic isoprenoids

Hopanoids

Steroids

Carotenoids

Squalene

Kerogen

Diagenesis and catagenesis

Biomarkers as Source

Steranes, hopanes etc

Hydrocarbon

Environmental Indicators

Indicator of Euxinia

Experimental methods 

Source rock

Extraction

Fractionation

GCMS


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