continental crust

简明释义

1. 大陆地壳; 2. 陆壳;

英英释义

例句

1.Mountain ranges are often formed by the collision of two continental crusts 大陆地壳.

山脉通常是由两个大陆地壳的碰撞形成的。

2.The continental crust 大陆地壳 is primarily composed of granite.

大陆地壳主要由花岗岩组成。

3.Earthquakes can occur along faults in the continental crust 大陆地壳.

地震可以在大陆地壳的断层上发生。

4.The continental crust 大陆地壳 is thicker than the oceanic crust.

大陆地壳比海洋地壳厚。

5.Volcanic activity can sometimes penetrate the continental crust 大陆地壳.

火山活动有时会穿透大陆地壳。

作文

The Earth is a complex and dynamic planet, composed of various layers that contribute to its geological makeup. Among these layers, the outermost layer is known as the crust, which can be further divided into two types: oceanic crust and continental crust. The continental crust (大陆地壳) is the thick part of the Earth's crust that forms the continents and is less dense than its oceanic counterpart. Understanding the characteristics and significance of the continental crust is essential for grasping the broader concepts of geology and plate tectonics.The continental crust varies in thickness, generally ranging from 30 to 70 kilometers, depending on the geographical location. For instance, mountain ranges such as the Himalayas have a thicker crust due to the collision of tectonic plates, while areas like the ocean basins have a thinner crust. This variation in thickness is crucial as it influences the topography of the land, leading to the formation of mountains, valleys, and plains.One of the most fascinating aspects of the continental crust is its composition. It is primarily made up of granitic rocks, which are rich in silica and aluminum. This composition contrasts with the basaltic rocks found in the oceanic crust. The minerals present in the continental crust play a significant role in determining the type of ecosystems and biodiversity that can thrive on the surface. For example, the presence of certain minerals can affect soil fertility, which in turn impacts agriculture and natural vegetation.The continental crust is also a key player in the process of plate tectonics. The movement of tectonic plates can lead to various geological phenomena, including earthquakes, volcanic eruptions, and the formation of new landforms. When two continental plates collide, they can create mountain ranges, while divergent boundaries can lead to rift valleys. Understanding the dynamics of the continental crust helps scientists predict geological events and assess potential risks associated with them.Moreover, the continental crust serves as a reservoir for natural resources. Many of the world’s mineral deposits, fossil fuels, and groundwater supplies are found within this layer. As human populations continue to grow, the demand for these resources increases, leading to exploration and extraction activities that can have significant environmental impacts. Sustainable management of these resources is crucial to ensure that future generations can benefit from them without compromising the health of the planet.In conclusion, the continental crust (大陆地壳) is an integral component of the Earth’s structure, influencing everything from land formation to resource availability. Its unique characteristics and interactions with other geological processes make it a subject of great interest for geologists and environmental scientists alike. By deepening our understanding of the continental crust, we can better appreciate the complexities of our planet and work towards more sustainable practices that protect its delicate balance.

地球是一个复杂而动态的星球，由各种层次组成，构成了其地质特征。在这些层次中，最外层被称为地壳，可以进一步分为两种类型：海洋地壳和大陆地壳。大陆地壳（大陆地壳）是地球外壳的厚部分，形成了各大洲，其密度低于海洋地壳。理解大陆地壳的特征和重要性对于掌握更广泛的地质学和板块构造概念至关重要。大陆地壳的厚度变化较大，一般在30到70公里之间，具体取决于地理位置。例如，喜马拉雅山脉等山脉由于构造板块的碰撞而形成了较厚的地壳，而像海洋盆地这样的地区则有较薄的地壳。这种厚度的变化至关重要，因为它影响着土地的地形，导致山脉、山谷和平原的形成。大陆地壳的一个最迷人的方面是其组成。它主要由花岗岩岩石组成，这些岩石富含二氧化硅和铝。这种组成与海洋地壳中的玄武岩岩石形成对比。大陆地壳中存在的矿物在决定地表生态系统和生物多样性方面发挥着重要作用。例如，某些矿物的存在可能会影响土壤肥力，从而影响农业和自然植被。大陆地壳也是板块构造过程中的关键参与者。构造板块的运动可以导致各种地质现象，包括地震、火山喷发和新地形的形成。当两个大陆板块相撞时，它们可以形成山脉，而发散边界则可以导致裂谷的形成。理解大陆地壳的动态有助于科学家预测地质事件并评估与之相关的潜在风险。此外，大陆地壳还是自然资源的储存库。世界上许多矿产资源、化石燃料和地下水供应都存在于这一层中。随着人类人口的不断增长，对这些资源的需求增加，导致勘探和开采活动，这些活动可能对环境产生重大影响。可持续管理这些资源对于确保未来几代人能够受益于它们而不损害地球的健康至关重要。总之，大陆地壳（大陆地壳）是地球结构的重要组成部分，影响着从土地形成到资源可用性的方方面面。其独特的特征及其与其他地质过程的相互作用使其成为地质学家和环境科学家极感兴趣的研究对象。通过加深对大陆地壳的理解，我们可以更好地欣赏我们星球的复杂性，并朝着保护其微妙平衡的可持续实践努力。