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Mean random vitrinite reflectance (Ro) is the most widely accepted method to determine thermal maturity of coal and other sedimentary rocks. However, oil-immersion Ro of polished rock or kerogen samples is commonly lower than Ro values measured in samples from adjacent vitrinite-rich coals that have undergone the same level of thermal stress. So-called suppressed Ro values have also been observed in hydrous pyrolysis experiments designed to simulate petroleum formation. Various hypotheses to explain Ro suppression, such as sorption of products generated from liptinite during maturation, diagenetic formation of perhydrous vitrinite or overpressure, remain controversial. To experimentally test for suppression of vitrinite...


    map background search result map search result map Data release for mean random reflectance for products of hydrous pyrolysis experiments on artificial rock mixtures of humic Wyodak-Anderson coal (2018) Data release for mean random reflectance for products of hydrous pyrolysis experiments on artificial rock mixtures of humic Wyodak-Anderson coal (2018)