Discussion of Formation Environment in Late Carboniferous Granitoids in Beishan area, Xinjiang Province
Author(s): SHU Lin, XIE Mingyong, JIA Xiaoliang, ZENG Guangyu
Pages: 587-591
Year: 2012 Issue: 6
Journal: Resources Environment & Engineering
Keyword: 晚石炭世花岗岩; 壳幔混源; 火山岛弧; 新疆; 北山地区;
Abstract: 平梁子一带的晚石炭世花岗岩类,侵入期次繁多,岩性多样,主要有闪长岩、石英闪长岩、花岗闪长岩、二长花岗闪长岩等,受区域断裂构造控制.运用花岗岩类微量元素的R1-R2判别图解、Hf-Rb/10-Ta×3三角图解、Rb-Y+Nb和Nb-Y判别图解,确定本区花岗岩类来自壳幔混源,形成于岛孤环境,与华力西早期裂谷阶段性挤压闭合相关连.
Pages: 587-591
Year: 2012 Issue: 6
Journal: Resources Environment & Engineering
Keyword: 晚石炭世花岗岩; 壳幔混源; 火山岛弧; 新疆; 北山地区;
Abstract: 平梁子一带的晚石炭世花岗岩类,侵入期次繁多,岩性多样,主要有闪长岩、石英闪长岩、花岗闪长岩、二长花岗闪长岩等,受区域断裂构造控制.运用花岗岩类微量元素的R1-R2判别图解、Hf-Rb/10-Ta×3三角图解、Rb-Y+Nb和Nb-Y判别图解,确定本区花岗岩类来自壳幔混源,形成于岛孤环境,与华力西早期裂谷阶段性挤压闭合相关连.
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