| 1. | This diagram is mostly used for differentiating different types of kerogen.
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| 2. | The complex composition and chemistry of kerogen complicates the results.
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| 3. | General composition of oil shales constitutes inorganic matrix, bitumens, and kerogen.
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| 4. | They found that on average the oil is depleted to corresponding kerogen by 230.
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| 5. | Type IV kerogen contains mostly decomposed organic matter in the form of polycyclic aromatic hydrocarbons.
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| 6. | Kerogen can be heated, and yield up to of product per ton of rock.
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| 7. | Kerogen subsequently undergoes thermal decomposition to hydrocarbons.
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| 8. | Nevertheless, most research on hydrogen isotopes of kerogen show D enrichment with increasing maturity.
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| 9. | The chemical process of pyrolysis can convert the kerogen in oil shale into synthetic crude oil.
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| 10. | The name " kerogen " was introduced by the Scottish organic chemist Alexander Crum Brown in 1906.
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