%0 Journal Article %T FEATURES AND COLLISIONAL MOUNTAIN BUILDING ENVIRONMENT OF METASOMATIC TRANSFORMATION TYPE GRANITIC ROCKS IN MIDDLE WUYI MOUNTAINS
武夷山中段加里东早期交代改造型花岗岩类的特点及形成的碰撞造山环境 %A Huang Biao %A Xu Keqin %A Sun Mingzhi %A
黄标 %A 刘刚 %J 岩石学报 %D 1993 %I %X 武夷山中段 加里东早期混合花岗岩类为英云闪长岩-斜长花岗岩-富斜花岗岩-花岗闪长岩-二长花岗岩组合,交工结构非常发育,微斜长石或正长石的Or含量较高,属铝地饱和系列,锶同位素初始比大于0.710,总体上是改造型花岗岩特征。但部分岩性偏中性,黑去母MF值>0.38,轻稀土富集而铕亏损较小,Rb/Sr<1,这些特征却接近同熔型花岗岩,继承了围岩特征。与碰撞型花岩相比又有明显相似性,因此它们是同碰撞造山 %K Metasomatic type granitic rocks %K Early Caledonian %K Geochemistry %K Collisional mountain building environment %K Middle Wuyi Mountains
花岗岩 %K 加里东早期 %K 碰撞造山环境 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=621CF755B1A341E5&jid=2013B5467E3054B1614CEC199353FCED&aid=A1B132E875BB4417F8816EB317FB43CE&yid=D418FDC97F7C2EBA&vid=9CF7A0430CBB2DFD&iid=E158A972A605785F&sid=3BAAE0DA6093AC05&eid=8ACD9060100C26F1&journal_id=1000-0569&journal_name=岩石学报&referenced_num=8&reference_num=30