Kerogen, adsorbed organic matter, inclusion organic matter and enclosed organic matter in the Lower Palaeozoic source rocks can serve as the source of hydrocarbon regeneration.

• 塔中地区下古生界碳酸盐岩烃源岩中的干酪根、吸附有机质、包裹体有机质和晶包有机质 ,可以成为二次生烃的物质来源。