jgg     2013 33 (5):  7-10    ISSN: 0412-1961  CN: 21-1139/TG CRUSTAL MATERIAL DENSITY CHANGE BENEATH SHANXI  RIFT AND ITS ADJACENT AREAS FROM 1999 TO 2008 1)Key Laboratory of Earthquake Geodesy, Institute of Seismology, CEA,Wuhan 430071 2）Wuhan Base of Intitute of Crustel Dynamics,CEA，Wuhan 430071 3)School of Geodesy and Geomatics, Wuhan University,Wuhan 430079 4)Geophysical Exploration Centre, China Earthquake Administration,Zhengzhou 450002 Received: 2013-02-24  Revised: null  Online: 2013-10-13 Supporting info