【摘要】 灰池子复式岩体是北秦岭加里东造山带规模最大的花岗岩体，其成因争论较大。本文在１：５万区调工作的基础上，通过岩石学、岩石化学和同位素等方面的讨论，认为该岩体属于岩浆成因，其源岩与秦岭群无关，而是来自于地壳中的幔壳混合物，属于Ｈ型花岗岩。更多还原

【Abstract】 Huichizi complex pluton is the largest scale granitoid pluton of the north Qiniing Caledo-nian orogenic zone,and its genisis is a controversy.Based on the work of 1:50 000 regional geo-logical surveying and the study of petrology,petrochemisty,geochemistry,and isotope analyses,the author consider that this complex pltiton takes the origin from the magma of the maxture ofthe crust’Sand the mantle’s substances remainedinthe crust,and without relation to the rock ofQinling group.It belong to H-type(Hybrid)granitoid.更多还原