However,in the low deformed sedimentary region under tectonic superposition,another different directed stress would rotate the arranged magnetic minerals,which will induce that magnetic lineation is oblique to the bedding strike.

Based upon the tectonic deformation and magma activity in the region,tectonic superposition in Yanshan epoch was discussed in this article.

A numerical simulating study of mechanical characteristic of superposed deformation in Daba Mountain Foreland

The authors has studied the structural superimposed halos's features of jinniu mountain gold deposit,Established the model and marks of structural superimposed halos of the blind ore predicition,then make blind ore prediction in the deposit deeps,take out blind ore targets,and obtain good result by using the model,and marks.

The meathod of structural superimposed halos is a new prognostic one for blind orebody exploration, Which is based on the zone thory of primary halos.

Ideal structural superimposed halo model of deep blind gold orebodies prediction in Gansu Yangshan

Based on the theory of primary halo zoning and taking into account the element associations and the axial zoning of an orebody at different oreforming stages as well as the spatial superimposition, this paper has established a new model for prognosis of blind orebodies?the structural superimposed halo model.

This paper has dealt with the common features of three superlarge typical quartz-vein type gold ore deposits(Wenyu,Qinling and Dongtongyu) in Xiao Qinling region,established the ideal structural superimposed halo model for prognosis in No.