The temporal evolution of hydrocarbons (~500 million barrels oil) and its relationship to the orogenic events of the Longmen Shan Thrust Belt have been extensively debated. The hydrocarbons occur as solid bitumen, as dykes and/or coatings within/along faults/fractures, and as present day oil seeps. Here utilizing organic geochemistry, we demonstrate that all the bitumen exhibit similar organo-gechemical characteristics, and were sourced from the Late Neoproterozoic-Early Cambrian Doushantuo and Qiongzhusi formations. In contrast, the organic geochemistry of the present day oil seeps are distinct from that of the bitumen, and suggest that the source is the Permain This is a revised version with the manuscript Number BLTN16-230 Petroleum generation timing and source in the Northern Longmen Shan Thrust Belt, Southwest China: Implications for multiple oil generation episodes and sources
The Jk(a-b-) phenotype in the Chinese population shows several different molecular mechanisms. A novel missense mutation nt737T>G of JK gene was found as associated with Jk(a-b-) phenotype.
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