jgg     2014 34 (5):  50-54    ISSN: 0412-1961  CN: 21-1139/TG DIFFERENCES OF CRUSTAL STRUCTURES AND TECTONIC  SIGNIFICANCE ON BOTH SIDES OF CENTRAL TANLU FAULT ZONE Geophysical Exploration Center，CEA，Zhengzhou 450002 Received: 2013-09-01  Revised: null  Online: 2014-09-26 Supporting info