Relationship between Deep Tectonic Evolution Characteristics and Hydrocarbon in Tulufan Depression
详细信息   
摘要

Based on study on the seismic data from deep strata, drilling data and outcrops etc. in Turpan Depression, this paper established the regional geological section for the complicated structure belt and carried out the structural recovery by using the balanced section technique.  It is understood that the Hercynian to Early Indosinian period is the embryonic stage for the depression formation, the deformation intensity decreasing from the South to North. The Late Indosinian to Yanshanian period is the stage of uplift development deformation with the feature of structure’s distortion earlier in the south than in the north and the distortion intensity decreased from the south to the north. The Himalayan period is adjusting and modifying stage for the deep paleo tectonic. The tectonic movement and trap formation is characterized by mainly the uplift and erosion in Late Indosinian period, the successive fold strengthening in Mid-Late Yanshanian period, and the thrust fold modifying in Himalayan period.

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