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Sajan sarthak Best Answer
Elemental analysis, especially of carbon, hydrogen and oxygen, is the most fundamental method of characterising kerogens,. The progressive changes of chemical composition of kerogens with depth of sediments which take place release CO2, H2O, and liquid and gaseous hydrocarbons. This process kerogen maturation, increases the carbon content of kerogen, and eventually forms graphite. kerogene ultimately converts into usable hydrocarbons . see the figure to follow up the process of kerogene to grphite at last stage.
good illustration sir
composition difference between kerogen and hydrocarbon
kerogene breaks down to form hydrocarbons which we use. kerogene is parent .