Science in China Series D: Earth Sciences

, Volume 46, Issue 11, pp 1134–1141 | Cite as

The 40Ar/39Ar geochronology constraint and geological significance of mylonites in Shangyi-Chicheng fault belt on the north of North China Craton



A dating of two biotite samples taken from the meso- and low-temperature mylonites within the Shangyi-Chicheng fault belt on the north of the North China Craton yields 40Ar/39Ar isotopic ages of (399 ± 1) Ma and (263 ± 2) Ma, respectively. These data reflect an Early Devonian deformation and a Late Carboniferous retrograde metamorphism event along the fault, suggesting that the tectonic activities of the North China Craton in Paleozoic should be reconsidered.


Shangyi-Chicheng fault belt mylonite 40Ar/39Ar isotopic ages re-activity fault 


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Copyright information

© Science in China Press 2003

Authors and Affiliations

  • Ling Hu
    • 1
  • Honglin Song
    • 1
  • Danping Yan
    • 1
  • Daogong Hu
    • 2
  1. 1.Faculty of Geology and Resources, China University of GeosciencesBeijingChina
  2. 2.Institute of Geomechanics, Chinese Academy of Geological SciencesBeijingChina

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