silver sand

The Yinsha area lies in the west of the eastern section of the North Huaiyang structural belt(in Anhui),where Mesozoic magmatism is intense,lead-zinc,molybdenum and polymetallic mineralization are developed,and diagenesis is closely related to mineralization.

银沙地区即位于北淮阳构造带东段(安徽境内)的西部。

The results show that the number of the xomatic chromosome of A.

采用光学显微镜观察银沙槐 Ammodendron bifolium ( Pall。