..............page:257-264
..............page:228-239
Present Situation and Exploration Potentiatity of the Mineral Resources in Circum-Bohai-Sea Region
li jun-jian~(1; 2); shen bao-feng~2; yang chun-liang~2; chen an-shu~(1; 2); luo hui~2; qin zhi-an~2; cao xiu-lan~(1; 2); yang zhao-cai~3; liu xiao-yang~2(1.school of earth sciences and resources; china university of geosciences; beijing 100083; 2.tianjin institute of geology and mineral resources; china geological survey; tianjin 300170; 3.huabei geoexploration bureau of nonferrous metal; tianjin 300171)
..............page:250-256
..............page:221-227
..............page:196-206
..............page:240-249
..............page:213-220
Zircon Geochronology and REE in Leucosome of Neoproterozoic Granite Gneiss,Jiaonan Area
lu song-nian~1; li hui-min~1; li huai-kun~1; song ming-chun~2; yuan hong-lin~3; liu xiao-ming~3(1.tianjin institute of geology and mineral resources; tianjin 300170; 2.no.4 exploration institute of geology and mineral resources of shandong province; weifang 261021; 3.the key laboratory of continental dynamics of the ministry education; northwest university; xi an 710069)
..............page:207-212
..............page:265-271