摘要
据辽东半岛古元古代花岗岩详细的岩石化学、地球化学研究，表明三类古元古代花岗岩的形成环境不同，属该区古元古代构造演化不同阶段的产物，即早期花岗岩（二长花岗岩）代表造山期前裂谷化阶段的产物，中期花岗岩（斜长花岗岩）代表造山期收缩碰撞阶段的产物，晚期花岗岩（环斑花岗岩）属造山期后伸展塌隐阶段的结果。
Detailed petrochemistry and geochemistory studies on palaeoproterozoic granitoidsin Liaodong peninsula reveal that three kinds of granitoids occurred in different enviroments indicating different stages of structural evolution 9 respectively. The first one, adamellite standing forthe product of pre-orogenic rifting I the second one, plagiogranite representing for the product oforogeny3 the last one, rapakivi granite belonging to the result of post-orogenic collapse.
出处
《西北地质》
CAS
CSCD
1997年第3期21-26,共6页
Northwestern Geology
