The Early Mesozoic magmatite developed on the tensional background caused by closing of Mongolia-Ehucike Residual Ocean in scissors form.The Later Mesozoic magmatite formed in compression background.

• 中生代早期岩浆岩形成于蒙古-鄂霍茨克残余洋“剪刀式”闭合所造成的张性似裂谷环境，中生代晚期岩浆岩形成于挤压环境。