苏鲁-大别超高压变质岩的弹性力学性质与密度的关系

被引:14
作者
嵇少丞 [1 ,2 ]
王茜 [1 ]
王勤 [3 ]
许志琴 [4 ]
机构
[1] 加拿大蒙特利尔综合工学院民用、地质与采矿工程系
[2] 中国科学院广州地球化学研究所边缘海地质重点实验室
[3] 南京大学地球科学系
[4] 中国地质科学院地质研究所国土资源部大陆动力学重点实验室
关键词
岩石弹性力学性质; 地震波速; 泊松比; 超高压变质岩; 苏鲁造山带; 中国大陆科学钻探;
D O I
暂无
中图分类号
P588.348 [];
学科分类号
摘要
我们采集了31块来自中国大陆科学钻探(CCSD)主孔和预先导孔岩芯以及29块苏鲁-大别地区地表露头的典型超高压变质岩,在10~850 MPa的静水压力和室温下测量了60块标本的P波与S波速度,分别建立了纵横波速和围压之间的定量关系,并在此基础上计算了不同压力下各岩石标本的弹性参数即杨氏模量(E)、剪切模量(G)、体模量(K)和泊松比(v),着重探讨了超高压变质岩的弹性力学性质与密度之间的关系。这些最新成果将为超高压变质岩地区以及新老俯冲带地震波资料的解释提供关键的理论和实验基础。
引用
收藏
页码:3054 / 3064
页数:11
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