中国东部部分地区新生代岩石圈地幔的成因:主量和微量元素制约

被引:11
作者
刘海泉 [1 ]
闫峻 [1 ]
赵建新 [2 ]
安亚军 [1 ]
机构
[1] 合肥工业大学资源与环境工程学院
[2] 澳大利亚昆士兰大学放射性同位素实验室
关键词
橄榄岩包体; 软流圈; 微量元素; 减薄; 华北克拉通;
D O I
暂无
中图分类号
P588.125 [];
学科分类号
070901 ;
摘要
为厘定中国东部新生代岩石圈地幔的成因,进而探讨岩石圈减薄的方式,本文选择汉诺坝、女山、盘石山和方山尖晶石二辉橄榄岩作为研究对象,系统分析了其主、微量元素。结果表明,这些地区新生代岩石圈地幔具有"新生"的性质,为上涌的软流圈物质经过小于10%的部分熔融程度后的残留相形成,后又经历了类似新生代玄武岩性质的富硅熔体的交代,交代介质的物质贡献小于3%。新生代岩石圈地幔与古老克拉通岩石圈地幔在主、微量元素上的显著差异以及新生代岩石圈地幔微量元素特征的拟合,支持拆沉为华北克拉通东部减薄的主要方式。
引用
收藏
页码:2850 / 2868
页数:19
相关论文
共 31 条
[11]  
Transformation of lithospheric mantle through peridotite-melt reaction: A case of Sino-Korean craton[J] . Hong-Fu Zhang.Earth and Planetary Science Letters . 2005 (3)
[12]  
Role of lithosphere–asthenosphere interaction in the genesis of Quaternary alkali and tholeiitic basalts from Datong, western North China Craton[J] . Yi-Gang Xu,Jin-Long Ma,Frederick A. Frey,Mark D. Feigenson,Jiang-Feng Liu.Chemical Geology . 2005 (4)
[13]  
Petrology and geochemistry of spinel peridotite xenoliths from Hannuoba and Qixia, North China craton[J] . Roberta L. Rudnick,Shan Gao,Wen-li Ling,Yong-shen Liu,William F. McDonough.LITHOS . 2004 (1)
[14]  
A review of the geodynamic setting of large-scale Late Mesozoic gold mineralization in the North China Craton: an association with lithospheric thinning[J] . Jin-Hui Yang,Fu-Yuan Wu,Simon A. Wilde.Ore Geology Reviews . 2003 (3)
[15]  
Re–Os evidence for replacement of ancient mantle lithosphere beneath the North China craton[J] . Shan Gao,Roberta L Rudnick,Richard W Carlson,William F McDonough,Yong-Sheng Liu.Earth and Planetary Science Letters . 2002 (3)
[16]  
Thermal and petrological structure of the lithosphere beneath Hannuoba, Sino-Korean Craton, China: evidence from xenoliths[J] . Shaohai Chen,Suzanne Y. O’Reilly,Xinhua Zhou,William L. Griffin,Guohui Zhang,Min Sun,Jialing Feng,Ming Zhang.LITHOS . 2001 (4)
[17]  
Archean blocks and their boundaries in the North China Craton: lithological, geochemical, structural and P – T path constraints and tectonic evolution[J] . Guochun Zhao,Simon A. Wilde,Peter A. Cawood,Min Sun.Precambrian Research . 2001 (1)
[18]  
Metamorphism of basement rocks in the Central Zone of the North China Craton: implications for Paleoproterozoic tectonic evolution[J] . Guochun Zhao,Peter A. Cawood,Simon A. Wilde,Min Sun,Liangzhao Lu.Precambrian Research . 2000 (1)
[19]  
Geochemical characteristics and their iImplications ofabyssal peridotites from Ultraslow Spreading Gakkel Ridge,ArcticOcean. Liu CZ. Institute of Geology andGeophysics,Chinese Academy of Sciences . 2007
[20]  
Mantle Dynamics and Plate Interactions in East Asia. Menzies MA, Xu YG. . 1998