断层滑动震级的定量测定:综述

IF 0.6 4区地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Revista Mexicana De Ciencias Geologicas Pub Date : 2023-04-01 DOI:10.22201/cgeo.20072902e.2023.1.1728

Shunshan Xu, A. F. Nieto-Samaniego, Hui-long Xu, Wei Li, R. Nieto-Fuentes

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引用次数: 0

摘要

在地质学中，断层是一种岩石裂缝，裂缝两侧有明显的相对位移。定量获取断层活动史主要依靠对断层滑动的估计和标志物的研究，可以用来了解和分析断层区的构造演化。断层滑动是通过恢复变形前原本相邻的点来计算的，这些点被称为穿透点。在本文中，我们回顾了一些已发表的确定断层滑动的方法，使用：（1）结构等值线图上的等值线偏移；（2）地震反射剖面上的偏移；（3）一个已知的滑动矢量（断层条纹）和一个标记；（4）两个已知的标记。案例（3）和（4）通常应用于野外工作和地质图。

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Quantitative determination of fault slip magnitude: a review

In geology, a fault is a rock fracture with perceptible relative displacement of the opposite sides of the fracture. Quantitatively obtaining the activity history of faults depends mainly on the estimation of fault slip and the study of markers, which can be used to understand and analyze the tectonic evolution of the faulted regions. Fault slip is calculated by restoring points that were originally adjacent before the deformation, those points are named piercing points. In this paper, we review some published methods to determine fault slip, using: (1) the offset of contours on structural contour maps; (2) offset on seismic reflection sections; (3) a known slip vector (fault striae) and one marker; (4) two known markers. Cases (3) and (4) are commonly applied to field work and geological maps.

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来源期刊

Revista Mexicana De Ciencias Geologicas 地学-地球科学综合

CiteScore

1.00

自引率

12.50%

发文量

审稿时长

6-12 weeks

期刊介绍： Revista Mexicana de Ciencias Geológicas (RMCG) publishes original research papers on geological processes of broad interest, and particularly those dealing with regions of Latin America. The RMCG also publishes review papers on topics of current interest, and on the geology and tectonics of geological provinces of Latin America. Besides, it offers the opportunity for host editors to publish special thematic issues.