Abstract
Summary Terrestrial source rocks, deposited under non-marine conditions in continental environments, have been divided into five major groups: Group A, sedimentary formations of big lake basins in the interior of the Chinese plate; Group B, lacustrine clastic formations in fault-bounded basins; Group C, salt lake evaporite-clastic formations in fault-bounded basins; Group D, lagoonal-lacustrine volcano-clastic formations of intermontane basins; and Group E, paralic coal-bearing formations of platform areas. The abundance, type and evolutionary characteristics of the organic matter, as well as the biomarker characteristics of various groups of source rocks are discussed briefly. There are several problems relating to evaluation of hydrocarbon prospects in terrestrial sedimentary basins, including the origin of Type I kerogens and their hydrocarbon potentials, immature oils, and coal-bearing formations as potential source rocks.
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