冈底斯造山带的时空结构及演化

潘桂棠 莫宣学 侯增谦 朱弟成 王立全 李光明 赵志丹 耿全如 廖忠礼. 冈底斯造山带的时空结构及演化[J]. 岩石学报, 2006, 22(3): 521-533.
引用本文: 潘桂棠 莫宣学 侯增谦 朱弟成 王立全 李光明 赵志丹 耿全如 廖忠礼. 冈底斯造山带的时空结构及演化[J]. 岩石学报, 2006, 22(3): 521-533.
PAN GuiTang, MO XuanXue, HOU ZengQian, ZHU DiCheng, WANG LiQuan, LI GuangMing, ZHAO ZhiDan, GENG QuanRu,LIAO ZhongLi. Spatial-temporal framework of the Gangdese Orogenic Belt and its evolution[J]. Acta Petrologica Sinica, 2006, 22(3): 521-533.
Citation: PAN GuiTang, MO XuanXue, HOU ZengQian, ZHU DiCheng, WANG LiQuan, LI GuangMing, ZHAO ZhiDan, GENG QuanRu,LIAO ZhongLi. Spatial-temporal framework of the Gangdese Orogenic Belt and its evolution[J]. Acta Petrologica Sinica, 2006, 22(3): 521-533.

冈底斯造山带的时空结构及演化

  • 基金项目:

    国家重点基础研究发展规划项目(2002CB412609)、国家自然科学基金(40503005,40572051,40473020)和中国地质调查局“青藏高原南部空白区基础地质综合研究”项目(200313000025)联合资助.致谢 本项研究得到国家973项目(2002CB412609)、国家自然科学基金(40503005,40473020)和中国地质调查局“青藏高原南部空白区基础地质综合研究”项目(200313000025)联合资助.

Spatial-temporal framework of the Gangdese Orogenic Belt and its evolution

  • 冈底斯带的构造属性及其构造单元划分一直是青藏高原基础地质研究中最热门的科学问题之一。根据新的地质调查资料、研究成果并结合我们的分析数据,对冈底斯带的地质构造格局进行了厘定和划分,讨论了冈底斯带晚古生代-中生代的构造演化历史。冈底斯带可划分为6类不同的构造单元和18个次级单元,这些不同级别的构造划分较为全面准确地概括了冈底斯带的地质面貌。通过对不同构造单元时空结构的剖析和对相关火山岩浆作用记录的分析,认为冈底斯带不是简单的地块、陆块或地体,而很可能是以隆格尔-念青唐古拉为主轴,经历石炭-二叠纪、早中三叠世、晚三叠世、早中侏罗世、晚侏罗世-早白垩世、晚白垩世-始新世六次造弧增生作用和相关的弧-陆、陆-陆碰撞作用并最终定型于新生代晚期的复合造山带,并在此基础上,提出冈底斯带的构造演化很可能受班公湖-怒江特提斯洋向南、雅鲁藏布洋向北的双向俯冲的制约。强调以增生弧为背景的火山岩浆弧(如昂龙岗日火山岩浆弧、东恰错弧、桑日火山弧)可能是冈底斯地区寻找斑岩铜矿的最佳有利场所。
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出版历程
收稿日期:  2005-12-01
修回日期:  2006-02-24
刊出日期:  2006-03-31

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