Journal of Northeastern University Natural Science ›› 2016, Vol. 37 ›› Issue (9): 1349-1352.DOI: 10.12068/j.issn.1005-3026.2016.09.027

• Resources & Civil Engineering • Previous Articles     Next Articles

Discrimination and Its Significance of the Sizhanggunzi Granite in Kuangdonggou Area, Eastern Liaoning Province

ZHANG Peng1, ZHAO Yan2, YANG Hong-zhi2, KOU Lin-lin2   

  1. 1. College of Earth Sciences, Jilin University, Changchun 130061, China; 2. Shenyang Center of Geological Survey, China Geology Survey, Shenyang 110034, China.
  • Received:2015-05-20 Revised:2015-05-20 Online:2016-09-15 Published:2016-09-18
  • Contact: ZHAO Yan
  • About author:-
  • Supported by:
    -

Abstract: To better understand the formation age, geological features and significance of the Sizhanggunzi granite in Gaizhou, Liaoning Province, formation age and major trace elements were studied by zircon LA-ICP-MS U-Pb dating system and X-ray fluorescence spectrometers. Zircon U-Pb dating yielded the emplacement age of (1871.2±9.3)Ma, which indicates Sizhangguanzi granite is the product of Paleoproterozoic magmatism in Gaizhou. The results of major trace element testing on the target granite revealed the Sizhanggunzi granite and Kuangdonggou intrusions all intruded in Paleoproterozoic. In the Sizhanggunzi granite and syenite and diorite in Kuangdonggou reigon, SiO2 had a relevant positive correlation with K2O and Na2O and good negative correlations with TiO2,Al2O3,TFe2O3,CaO,MgO and MnO. This also represent the three intrusions probably have genetic relationship. Combining with previous studies, this study indicates Sizhanggunzi granite intruded in Paleoproterozoic and evolved from the identical magma of Kuangdonggou syenite and diorite.

Key words: zircon U-Pb dating, Sizhanggunzi granite, Kuangdonggou intrusions, Paleoproterozoic, cratonization

CLC Number: