Cretaceous-Early Eocene Tectonic Stress Field in China
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    Abstract:

    The Cretaceous-early Eocene tectonic stress field in China was reconstructed using the data of 369 largeand medium-scale flexural folds and 157 joint sets. It was found that the maximum compressive principal stress axis in eastern China dips 32° NE (nearly horizontal), and strikes SW 212°, whereas that in western China dips 15° NE (also nearly horizontal) and trends SW 195°. The estimation of the dip angles of fold limbs and the palaeotectonic stress values indicates that there was a tendency of gradual weakening of tectonism from southwestern to northeastern China in the Cretaceous-early Eocene. At the depth of 2-3 km, the differential stress value changes from 183 MPa in Tibet to 100 MPa in North and East China.The authors consider that the tectonic stress of this period was related to the north-northeastward movement and push of the Indian-Australian plate.

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.1989. Cretaceous-Early Eocene Tectonic Stress Field in China[J]. Acta Geologica Sinica(),63(3):

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