摘要
对南黄海千里岩隆起区榴辉岩、仰口榴辉岩和海阳所榴辉岩的地球化学特征进行对比研究得出,千里岩榴辉岩原岩可能为古秦岭洋洋壳,海阳所榴辉岩原岩可能为扬子板块北缘的基性下地壳;而仰口榴辉岩原岩可能为受俯冲流体作用而发生分异的岩石类型。依据现有地球物理资料研究,对南黄海盆地的构造特征和构造样式进行了探究,进而阐述了南黄海盆山耦合作用的地质演化。
The geochemical characteristics of the eclogites found on the Qianliyan Uplift, Yangkou and Haiyangsuo of the South Yellow Sea indicate that the Qianliyan eclogite rocks may be the remained oceanic crust of the paeo-Qinling Ocean, while the Haiyangsuo mafic metamorphic rocks represent the mafic lower crust of the northern margin of the Yangtze plate, and the Yangkou eclogites are the remains of the differentiated island arc basalts. Existing geophysical data from the South Yellow Sea is studied for revealing the structural characteristics and structural styles of the South Yellow Sea Basin. Upon the basis, the geological evolution of the South Yellow Sea Basin-Range couples is discussed.
出处
《海洋地质前沿》
2015年第4期55-62,共8页
Marine Geology Frontiers
基金
中国地质调查局项目(GZH201200510)
国家重点基础发展研究计划(973计划)(2012CB956004)
关键词
南黄海
千里岩
榴辉岩
盆山耦合
the South Yellow Sea
Qianliyan Uplift
eclogite
Basin-Range coupling
