The round columnar joints are one of the flow structures showing the horozontal emplacement of basic dyke swarms . the round columnar joints show that the basic dyke has rheological behaviour of the viscous shearing in magma emplacement 岩墙发育圆柱状节理表明出露的是岩墙的顶部，反映基性岩墙群侵位时岩浆具有黏滞性剪切作用的流变学特征。
