*3.4.2 Dolerite*

In the inner circle of the research field, dolerite dykes are prevalent and have NE–SW patterns. In the study area, the radial pattern of dolerite dykes can easily be observed. They primarily cut through the rhyolites and trachytes. In color, the

*Petrology and Geochemistry of Nakora Ring Complex with Emphasis on Tectonics… DOI: http://dx.doi.org/10.5772/intechopen.98609*

dolerite dyke is black and medium grained. Dolerite dykes range in width from 1 m to a maximum of 50 m and can be tracked to a maximum of 300 m (**Figure 3D**).
