basement anisotropy

简明释义

基底非均质性;

英英释义

例句

1.In regions with high basement anisotropy, drilling operations may require special techniques.

在高基底各向异性的地区，钻探作业可能需要特殊技术。

2.Understanding basement anisotropy is crucial for accurate subsurface modeling.

理解基底各向异性对准确的地下建模至关重要。

3.Geologists often encounter challenges when mapping areas with pronounced basement anisotropy.

地质学家在绘制具有明显基底各向异性的区域时常常遇到挑战。

4.The study of basement anisotropy revealed significant variations in seismic wave velocities.

对基底各向异性的研究揭示了地震波速的显著变化。

5.The presence of basement anisotropy can affect the interpretation of geophysical data.

存在的基底各向异性可能会影响地球物理数据的解释。

作文

Basement anisotropy is a term commonly used in geophysics and geology to describe the variation in physical properties of the Earth's basement rocks, which can affect seismic wave propagation. Understanding this concept is crucial for various applications, including oil and gas exploration, earthquake studies, and the interpretation of subsurface structures. The basement refers to the older, typically crystalline rock formations that lie beneath the sedimentary layers. These basement rocks can exhibit different characteristics depending on their composition, structure, and the geological processes they have undergone over time.In the context of seismic studies, basement anisotropy (基底各向异性) plays a significant role in how seismic waves travel through the Earth. Seismic waves are generated by natural events like earthquakes or artificial explosions, and they propagate through different layers of the Earth. When these waves encounter areas of anisotropy, their speed and direction can change, leading to complex wave patterns that can be challenging to interpret.One of the primary factors contributing to basement anisotropy (基底各向异性) is the alignment of minerals within the rocks. For instance, if a rock contains elongated minerals such as mica or amphibole, these minerals may align in a particular direction due to tectonic forces. This alignment can cause the rock to behave differently when subjected to stress from different directions, resulting in anisotropic properties. Consequently, seismic waves traveling parallel to the alignment may move faster than those traveling perpendicular to it.The implications of basement anisotropy (基底各向异性) extend beyond just seismic wave propagation. In the field of hydrocarbon exploration, understanding the anisotropic nature of basement rocks can help geologists and geophysicists identify potential reservoirs. By analyzing seismic data, they can infer the orientation of fractures and faults, which are often critical pathways for oil and gas migration. Moreover, recognizing the anisotropic characteristics of basement rocks can lead to more accurate models for resource extraction and management.Furthermore, basement anisotropy (基底各向异性) is essential in the study of earthquakes. Researchers use seismic data to analyze the behavior of seismic waves as they pass through different geological formations. By understanding how anisotropic properties influence wave propagation, scientists can better assess the potential for seismic hazards in specific areas. This knowledge is vital for urban planning and disaster preparedness, particularly in regions prone to earthquakes.In conclusion, basement anisotropy (基底各向异性) is a fundamental concept in geophysics that describes the directional dependence of physical properties in basement rocks. Its significance spans across various fields, including resource exploration, earthquake research, and subsurface imaging. As technology advances, the ability to accurately measure and interpret anisotropic properties will continue to enhance our understanding of the Earth's subsurface and improve our capacity to manage natural resources and mitigate geological hazards.

基底各向异性是一个在地球物理学和地质学中常用的术语，用于描述地球基底岩石的物理特性变化，这种变化会影响地震波的传播。理解这一概念对于石油和天然气勘探、地震研究以及地下结构的解释等多种应用至关重要。基底指的是位于沉积层之下的较老的、通常是结晶岩石构造。这些基底岩石的特性可能会因其成分、结构及其经历的地质过程而有所不同。在地震研究的背景下，basement anisotropy（基底各向异性）在地震波传播的过程中起着重要作用。地震波是由自然事件（如地震）或人工爆炸产生的，它们通过地球的不同层传播。当这些波遇到各向异性区域时，它们的速度和方向可能会发生变化，从而导致复杂的波动模式，这些模式可能难以解释。导致basement anisotropy（基底各向异性）的主要因素之一是岩石内矿物的排列。例如，如果一块岩石含有细长的矿物，如云母或角闪石，这些矿物可能由于构造力的作用而朝某一特定方向排列。这种排列可能导致岩石在承受来自不同方向的应力时表现出不同的行为，从而导致各向异性特性。因此，沿着排列方向传播的地震波可能比垂直于其传播的波速更快。basement anisotropy（基底各向异性）的影响超越了地震波传播。在碳氢化合物勘探领域，了解基底岩石的各向异性特征可以帮助地质学家和地球物理学家识别潜在的储层。通过分析地震数据，他们可以推断出裂缝和断层的方向，而这些通常是石油和天然气迁移的关键通道。此外，认识到基底岩石的各向异性特征可以为资源开采和管理提供更准确的模型。此外，basement anisotropy（基底各向异性）在地震研究中也至关重要。研究人员利用地震数据分析地震波在不同地质构造中传播的行为。通过理解各向异性特性如何影响波传播，科学家可以更好地评估特定地区的地震危险性。这一知识对城市规划和灾害准备尤为重要，特别是在地震频发的地区。总之，basement anisotropy（基底各向异性）是一个基础概念，描述了基底岩石物理特性的方向依赖性。它的重要性遍及多个领域，包括资源勘探、地震研究和地下成像。随着技术的进步，准确测量和解释各向异性特性的能力将继续增强我们对地球地下的理解，并提高我们管理自然资源和减轻地质灾害的能力。