axial-plane folding

简明释义

轴面褶皱;

英英释义

例句

1.The geologist explained the concept of axial-plane folding to illustrate how the Earth's crust can bend and deform over time.

地质学家解释了轴面褶皱的概念，以说明地壳如何随着时间的推移而弯曲和变形。

2.In structural geology, axial-plane folding is a key mechanism that affects the orientation of rock layers.

在构造地质学中，轴面褶皱是影响岩层方向的一个关键机制。

3.During the field trip, students observed examples of axial-plane folding in the rock formations.

在实地考察中，学生们观察到了岩石形成中的轴面褶皱实例。

4.The presence of axial-plane folding indicates significant geological activity in the region.

存在轴面褶皱表明该地区有显著的地质活动。

5.The study of axial-plane folding helps us understand the tectonic forces at work in mountain building.

对轴面褶皱的研究帮助我们理解在造山过程中起作用的构造力。

作文

The study of geological structures is a fascinating field that helps us understand the Earth's history and the processes that shape our planet. One crucial concept in this field is axial-plane folding, which refers to the bending and folding of rock layers around an imaginary line called the axial plane. This phenomenon occurs due to tectonic forces acting on the Earth's crust, resulting in the formation of various geological features such as mountains and valleys.To better understand axial-plane folding (轴面褶皱), we must first explore the mechanics behind it. When two tectonic plates collide, immense pressure is exerted on the rocks at the boundary between them. This pressure can cause the rocks to deform, leading to folding. The axial plane is the line that runs through the crest of the fold, essentially dividing it into two symmetrical halves. The angle and intensity of the fold depend on several factors, including the type of rock, the temperature, and the duration of the applied stress.There are several types of folds associated with axial-plane folding. The most common types include anticlines and synclines. Anticlines are upward-arching folds where the oldest rock layers are found at the core, while synclines are downward-arching folds with the youngest rock layers at the center. Understanding these types of folds is essential for geologists as they provide valuable information about the geological history of an area.In addition to their importance in geology, axial-plane folding also has significant implications for natural resources. For instance, oil and gas deposits are often found in folded rock formations. The structural traps created by these folds can accumulate hydrocarbons, making them prime locations for drilling. Therefore, understanding the patterns of axial-plane folding can lead to successful resource exploration and extraction.Moreover, the study of axial-plane folding extends beyond geology; it also intersects with engineering and environmental science. For example, when constructing buildings or infrastructure in areas prone to folding, engineers must consider the stability of the ground. Folds can create zones of weakness, leading to potential landslides or structural failures if not adequately addressed.In conclusion, axial-plane folding (轴面褶皱) is a vital concept in geology that illustrates how the Earth's crust responds to tectonic forces. By studying the mechanics of folding, geologists can gain insights into the geological history of an area, identify natural resources, and inform engineering practices. As our understanding of these processes continues to evolve, the significance of axial-plane folding will undoubtedly remain a key focus in the study of Earth's dynamic systems.