Palynofacies, palaeoenvironments and petroleum

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Abstract
During the past decade, transmitted light microscopy of dispersed organic particles has become an important tool for assessing the petroleum potential of sedimentary basins. The main components of palynofacies and the colours of the microfossils preserved therein are widely used in the oil industry to aid the determination of organic maturation level and source rock potential for hydrocarbons. Less well known is the technique of integrating palynofacies and sedimentological data to facilitate the identification of depositional environments. While not a new development in the field of palynology, the subject has recently come of age. Selected palynofacies from the English Wealden (Lower Cretaceous) and elsewhere are briefly described and illustrated in order to emphasise the value of palynofacies studies to both palynologists and petroleum geologists.

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