The role of water in the laboratory thermal advancement of immature type I kerogen from the Cretaceous Qingshankou Formation in China.

34 observed an increasing trend in the T max values for the OM from the Boquillas Shale (containing Type II kerogen) when the sample was heated from 300 °C to 330 °C.

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However, during AHP, the T s /T m ratio denoted a clay-rich lithology, although the ratio showed a decreasing trend between 300 °C and 350 °C (Table 4 ).

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