Rejia area,Baiyu,Sichuan is characterized by the development of dyke rocks wich were emplaced in groups and in zones into the Sayan Formation (T(1-2))and the Genlong Formation(T3).

• 白玉县热加地区脉岩发育，成群成带集中分布于义敦群都萨岩组及上三叠统根隆组地层中，经研究认为脉岩为岛弧岩浆滞后侵入的钙碱性岩石，其形成与深部隆起、浅部伸展作用相关。