China Geological Survey Project12120113090200,1212010611817;Fundamental Scientific Research Separate Funds for Central Public Welfare Research InstitutesK1406;Welfare Scientific Research Project of Ministry of Land and Resources 200911007-09地质调查项目12120113090200,1212010611817;中央级公益性科研院所基本科研业务费专项资金K1406;公益性行业专项课题200911007-09