【作者】 赫英；

【Author】 He Ying (Department of Geology,Northwest University,Xi’an,710069,China)

【机构】 西北大学地质系；

【摘要】 以华南地区花岗岩为例在花岗岩中分出渗浸花岗岩,这种花岗岩是亚固相下岩浆后期熔体溶液“浸泡”或“浸出”作用的产物。本文讨论了渗浸花岗岩的类型、演化及成矿关系。更多还原

【Abstract】 In south China,two types of granites—magmatic and infiltrated—were distinguished on geologic,microtextural and geochemical evidences.The infiltrated granite may be formed by the infiltration of a consolidating granite in deuteric fluid,and it is characterized by high SiO₂,alkali, TFe/MgO and Na₂O/K₂O values,low TiO₂,TFe,MgO,CaO and P₂O₅ contents,high Rb,Y,F, CO₂,Nb and Ta contents and low Zr,Sr and δ Eu values,compared with the magmatic granites.This type of granite has genetic relationship to the W-Sn mineralization,while the magmatic granite is only a cover of the mineralization zone.更多还原