A Research on Thermal Evolution History of Car -boniferous in Bayanhaote Basin by Using Apatite Fission Track
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Abstract
Based on age study of apatite fission track of Carbonif-erous in Bayanhaote basin,it is believed that the annealing age was after Jurassic and Jurassic had not experienced tem-peratures over120℃ever since then while Carboniferous largely reached the highest annealing temperature of apatite at the end of Cretaceous.The paleo -geotemperature that Carboniferous went through at geologic history could not be too high and commonly was under120℃.The highest geotemperature occurred at late Cretaceous when large amount of organic materials began to generate hydrocarbons.It has the characteristics of late hydrocarbon generation.
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