The data of REE for the dioritic enclaves of the second intrusive bodies and for apatite,sphene,magnetite,zircon amphibole,biotite,plagioclase,and K-feldspar of the host rock are systematically reported andthe feature...The data of REE for the dioritic enclaves of the second intrusive bodies and for apatite,sphene,magnetite,zircon amphibole,biotite,plagioclase,and K-feldspar of the host rock are systematically reported andthe features of their compositions,overall characteristics and changing regularities,and their petrogenetic signifi-cance are discussed.The characteristics of the compositiom of the mineral rare-earth elements and their changingregularities for the Fangshan Rock Body show that there is a cognate evolution relation between the enclavesand the rock body.It is oonsidered that the dioritic enclaves might be the product derived from the earlycrystallization of homogeneous magma.展开更多
基金the Scientific Development Fund of Peking UniversityZhongguancun Testing Fund Beijing,Chjna
文摘The data of REE for the dioritic enclaves of the second intrusive bodies and for apatite,sphene,magnetite,zircon amphibole,biotite,plagioclase,and K-feldspar of the host rock are systematically reported andthe features of their compositions,overall characteristics and changing regularities,and their petrogenetic signifi-cance are discussed.The characteristics of the compositiom of the mineral rare-earth elements and their changingregularities for the Fangshan Rock Body show that there is a cognate evolution relation between the enclavesand the rock body.It is oonsidered that the dioritic enclaves might be the product derived from the earlycrystallization of homogeneous magma.