Discontinuities or joints in the rock mass have various shapes and sizes. Along with the joint orientation and spacing, the joint persistence, or the relative size of the joint, is one of the most important factors in ...
Peng S.; Jin Z.; Fu J.; He L.; Cai M.; Liu Y.(2006)
There are stratified and stratoid metabasic-ultrabasic rocks in the bottom of epimetamorphic Yunkai Group. They distribute along the northestern edge of Yunkai upwelling area, western Guangdong province, China. The metabasic ...