lIt was once widely believed that kerogen originated principally by condensation of low molecular weight biomolecules such as amino acids, sugars, fatty acids, phenolics, etc. which were produced by bacterial decomposition of more complex ones.
lMore recently, Tegelaar et al. (1989) proposed that the principal contributors to kerogen are highly resistant molecules such as tannins, algaenans, etc. that constitute only a small proportion of the original organic matter. This hypothesis, known as selective preservation, has gained wide acceptance.
lMore recently, Tegelaar et al. (1989) proposed that the principal contributors to kerogen are highly resistant molecules such as tannins, algaenans, etc. that constitute only a small proportion of the original organic matter. This hypothesis, known as selective preservation, has gained wide acceptance.
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