A Preliminary Discussion on the Age of Houcheng Formation in Baihepu Area,Yanqing County,Beijing
wang yang 1; 2 ji guang-yi 3 (1 guangzhou institute of geochemistry; chinese academy of sciences; guangzhou 510640; 2 division of petrology; china university of geosciences; beijing 100083; 3 geological institute of beijing municipality; beijing 100011)

..............page:1-5

The Discussion on Isotopic Ages of Volcanic Rocks of Donglingtai and Tiaojishan Formation in Xishan (Western Hills),Beijing
wang yang 1; 2 ji guang-yi 3 (1 guangzhou institute of geochemistry; chinese academy of sciences; guangzhou 510640; 2 division of petrology; china university of geosciences; beijing 100083; 3 geological institute of beijing municipality; beijing 100011)

..............page:6-12

dong gao di di qu ji yan shui shui zhi e hua yuan yin ji dui ce
li hai jing

..............page:24-27

qi ye nei bu jia qiang shi gong xiang mu cheng ben he suan de bi yao xing
wang yun ping

..............page:28-32

The Migration Enrichment of Cu Element in Groundwater and the Controlling Factor
zeng zhao-hua zhang zhi-liang tang chun-mei (the institute of environmental geology; jbgmr; nanchang jiangxi 330012)

..............page:13-17

Remote Sensing Application In Soil Erosion Survey—Take The Northern Area of Miyun Reservoir As An Example
zhao zhong-hai (beijing institute of geological; beijing 100011)

..............page:18-23