Abstract
Oil shales, a possible additional source of liquid hydrocarbons for Australia, contain abundant organic matter that is best described using coal maceral terminology. Liptinite is the dominant maceral in all the oil shales and the type and abundance of liptinite is used to divide the oil shales into cannel coal, torbanite, lamosite, marinite and tasminite. The oil shales are formed in lakes associated with peat swamps, fresh to brackish water lakes and shallow oceans. The present status of each of the five types of Australian oil shales is reviewed.

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