The volcanic - intrusive complex in northern Dabieshan are mainly intermediate, felsic rocks riched in alkali, LREE, LIL and defected of HREE, HFS.

• 大别山北缘中生代火山侵入杂岩是一套以中性、中酸性岩为主的岩石。 富碱（特别是富钾），低Ti，LREE、LIL相对富集，而HREE、HFS则相对亏损是它们的基本特征。