应用显微构造确定构造运动学涡度的定量分析方法及研究现状
Quantitative Analysis Methods for Determining Tectonic Kinematic Vorticity Using Microstructures and Their Research Status
摘要: 韧性剪切带记录了大陆岩石圈变形与构造转换的丰富信息，而构造运动学涡度(Wk)的定量分析是定量约束其内部应变分解与运动学特征的重要手段。本文系统梳理了构造运动学涡度的基本理论及其在地质研究多个领域中的应用现状。文章重点评述了基于显微构造确定运动学涡度的经典定量分析方法，包括反演有限应变状态的极摩尔圆法、基于电子背散射衍射(EBSD)技术的石英C轴组构法、指示早期变形特征的旋转残斑法，以及记录增量伸展方向的张裂脉中纤维法。针对单一方法存在的固有适用缺陷与系统误差，本文强调了多方法联合分析在开展交叉约束和提高解释可靠性方面的必要性。当前该领域仍面临显微构造标志体可靠性甄别以及不同方法间结果差异等科学挑战。未来，数值模拟辅助的涡度计校准、EBSD与晶体学涡度轴(CVA)分析的融合，以及多方法、多尺度与P-T-t演化的协同研究，有望推动该领域由运动学描述向多参数约束的构造动力学解释拓展。
Abstract: Ductile shear zones preserve important information on continental lithospheric deformation and tectonic evolution, and quantitative analysis of the kinematic vorticity number (Wk) provides an important means of constraining strain partitioning and kinematic characteristics within these zones. This paper systematically reviews the fundamental theory of kinematic vorticity and its applications in various fields of geological research. Particular emphasis is placed on classical quantitative methods for determining kinematic vorticity from microstructural criteria, including the polar Mohr circle method for reconstructing finite strain, the quartz c-axis fabric method based on electron backscatter diffraction (EBSD), the rotated porphyroclast method for characterizing early-stage deformation, and the fibrous-vein method for recording incremental stretching directions. Given the inherent limitations in applicability and systematic uncertainties associated with individual methods, this review emphasizes the necessity of integrating multiple methods to provide cross-validation and improve the reliability of geological interpretations. Major challenges remain, including the assessment of the reliability and representativeness of microstructural markers and the interpretation of discrepancies among results obtained using different methods. Future developments involving numerical simulation-assisted calibration of vorticity gauges, integration of EBSD with crystallographic vorticity axis (CVA) analysis, and coordinated multi-method and multi-scale investigations coupled with pressure-temperature-time (P-T-t) evolution are expected to advance the field from descriptive kinematic analysis toward tectonodynamic interpretations constrained by multiple parameters.
文章引用：丁超. 应用显微构造确定构造运动学涡度的定量分析方法及研究现状[J]. 地球科学前沿, 2026, 16(7): 1149-1156. https://doi.org/10.12677/ag.2026.167102

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