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'GOR' sample of vitrinite from Permian, Bowen Basin Coal (German Ck.seam) heated to 500deg.C in a closed system. Heavy oil (bitumen) is seen adsobed on 'inertinised' material.

'GOR' sample of vitrinite from Permian, Bowen Basin Coal (German Ck.seam) heated to 500deg.C in a closed system. Heavy oil (bitumen) is seen adsobed on 'inertinised' material.

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Fig.1. 'GOR' sample of vitrinite from Permian, Bowen Basin Coal (German...
Figure 2. Moura coal (Permian)
Figure 4. Humic acids extracted from immature carbonaceous shale, with...
Transmission Electron Microscopy (TEM), as a Tool In Characterising Organic Matter Further to Organic Petrology
Article
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Transmission electron microscopy (TEM) is a powerful tool in precise characterisation of sedimentary organic matter (OM), coal macerals and particularly of so-called 'amorphous OM devoid of structures visible in light microscopy. Furthermore, since there is virtually no limit to magnification applied, it is possible to resolve molecular ordering, w...
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... observations explained oil generation from vitrinites in a sub-bituminous coal (Glikson & Fielding, 1991). Trapping of hydrocarbons within coals heated rapidly by natural hydrothermal processes or intrusions, and artificially heated vitrinites during confined pyrolysis can only be observed using TEM (Figs. 1, 2). Interestingly, this phenomenon has been observed in laboratory samples subjected to closed system pyrolysis at elevated pressure. ...

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