摘要
剪切带是调节相对刚性围岩之间相对运动而形成的高应变带。对剪切带应变方式的分析,可利用各种对称或者不对称的构造来直接判断。然而,这些方法定量化程度较低。运动学涡度的研究能定量的表征纯剪切和简单剪应变方式所占比例。通过不同方法测量大量单个样品的运动学涡度值,建立运动学涡度时空演化轨迹,能为剪切带非均匀、非稳态变形历史的研究提供更多信息。总结前人对剪切带运动学涡度的研究,并结合当前研究前沿,综述剪切带运动学涡度的理论及其应用。
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