Stratigraphy and sedimentary environments of the Qoimaco Formation in the Yanshiping region, Qiangtang;

Through the geochemical coverage of low density (one sample per 16km~2) )inYanshiping area, Tanggula Mountain, the author have found a fair--sized polymetal anomalydominated by silver, with high content of silver, obvious metallization and favourable associ-ation of correlative elements.

In this paper, the Early and Middle Jurassic strata in the Neiwugi area, Xizang are divided into the Renqingka Group below and the Yanshiping Group above.

However,nobody studys the temple fairs in the Yan Bei region,which can not but say is a regret.

Keep the alarm bell of history ringing with History as a Mirror --the retrospection and reflection on the massacre in Yantong area inflicted by Japanese army during the Anti-Japan war period;

An experiment study on influence of subfault to petroleum migration and accumulation of Guantao Formation of Feiyantan area;