Study on Geochemistry of Dabeiwu Gold Deposit,Jiangxi Province;

In this paper, the authors first elaborate on macroscopic and microscopic features of the ductile shear zone in epimetamorphic rocks of Dabeiwu area, and classify the tectonite in it.

The mottled structure in the Dabeiwu area can be classified into syngenetic fragments and porphyroblasts, including seven types.

The syntectonic porphyroblasts of pyrite and siderite in the ductile shear zone developed in epimetamorphic clastic rocks in Dabeiwu area are the products and marks of ductile shear deformation during progressive metamorphism.

This article discusses tectonic deformation facies of controlling miner and the relationship between it and metallogenic in Dabeiwu gold ore field.

By study on the features of foliation and lineation structures in the Dabeiwu gold ore field in Jiangxi Province,with correlative rock and mineral testing,the structural deformation facies are established corresponding to the regional tectonic development.

According to the feature of folia-lineation structure and related mineral test results,this article makes a tectonic analysis about the tectonic belt of controlling mineral in Dabeiwu gold ore field reasonably,establi- shes tectonic deformation facies corresponding to Regional tectonic development,analyzes the relationship between the tectonic belt of controlling mineral and metallogenic.

On the basis of on-the-spot investigation and detection,the water quality of pollution source of Dawu river was assessed by using the method of equivalent standard lording.

Geological characteristics and genesis of the Dawujian tungsten deposit in south Anhui Province;