continental shield

简明释义

1. 大陆地盾; 2. 地盾;

英英释义

例句

1.Many minerals are extracted from the continental shield 大陆盾, making it an important resource for mining companies.

许多矿物是从continental shield 大陆盾中提取的，这使其成为采矿公司的重要资源。

2.The continental shield 大陆盾 in Canada is one of the largest in the world, covering vast areas of land.

加拿大的continental shield 大陆盾是世界上最大的之一，覆盖了广阔的土地。

3.The ancient rocks found in the continental shield 大陆盾 provide clues about the early conditions of our planet.

在continental shield 大陆盾中发现的古老岩石提供了关于我们星球早期条件的线索。

4.The geology class discussed the formation of the continental shield 大陆盾 and its significance in understanding Earth's history.

地质课讨论了continental shield 大陆盾的形成及其在理解地球历史中的重要性。

5.Scientists study the continental shield 大陆盾 to learn more about tectonic plate movements.

科学家研究continental shield 大陆盾以了解更多关于构造板块运动的信息。

作文

The term continental shield refers to the large, stable areas of the Earth's crust that are primarily composed of ancient crystalline rocks. These regions are typically found in the interior of continents and are characterized by their geological stability, which contrasts with more tectonically active areas such as mountain ranges or oceanic trenches. Understanding the concept of continental shield is crucial for geologists and environmental scientists as it provides insights into the Earth's history and the processes that have shaped our planet over millions of years.The formation of a continental shield occurs through a series of geological processes, including volcanic activity, sedimentation, and erosion. These areas are often rich in minerals and resources, making them significant for mining and natural resource extraction. For example, the Canadian Shield, one of the most well-known continental shields, is abundant in minerals like gold, nickel, and copper, which have been vital for the economy of Canada.Moreover, continental shields play an essential role in understanding the Earth's tectonic history. They are remnants of ancient continental crust that have survived the cycle of plate tectonics. By studying these regions, scientists can gather valuable information about the conditions of the Earth’s surface billions of years ago. This research can reveal how continents have shifted and changed over time, providing a clearer picture of the Earth's geological evolution.In addition to their geological importance, continental shields also have ecological significance. The stable environments found in these regions often support unique ecosystems and biodiversity. Many plants and animals have adapted to the specific conditions of continental shields, making them vital for conservation efforts. Protecting these areas from industrial development and environmental degradation is crucial for maintaining their ecological integrity.Furthermore, continental shields often serve as a foundation for human activities. Many cities and towns have developed in these regions due to their resource availability and stable land. However, this human activity can lead to challenges such as pollution and habitat destruction. It is imperative for policymakers and community leaders to balance economic development with environmental protection to ensure the sustainability of continental shields and their ecosystems.In conclusion, the concept of continental shield encompasses much more than just a geological term; it embodies the history of our planet, the resources we rely on, and the ecosystems we strive to protect. As we continue to explore and understand these ancient formations, we must also recognize our responsibility to preserve them for future generations. The study of continental shields not only enriches our knowledge of Earth’s past but also guides us in making informed decisions about our future interactions with the environment.

“大陆盾”一词指的是地球地壳上大型、稳定的区域，这些区域主要由古老的晶体岩石组成。这些地区通常位于大陆的内部，具有地质稳定性，与更具构造活动的区域（如山脉或海沟）形成对比。理解“大陆盾”的概念对于地质学家和环境科学家至关重要，因为它提供了有关地球历史及其在数百万年间塑造我们的星球过程的见解。“大陆盾”的形成是通过一系列地质过程，包括火山活动、沉积作用和侵蚀。这些地区通常富含矿物和资源，使其在采矿和自然资源开采方面具有重要意义。例如，加拿大盾是最著名的“大陆盾”之一，富含金、镍和铜等矿物，这些矿物对加拿大经济至关重要。此外，“大陆盾”在理解地球构造历史中也发挥着重要作用。它们是古老大陆地壳的遗迹，经历了板块构造周期的生存。通过研究这些地区，科学家可以收集有关几十亿年前地球表面条件的宝贵信息。这项研究可以揭示大陆如何随着时间的推移而移动和变化，从而提供地球地质演变的更清晰图景。除了地质重要性外，“大陆盾”在生态上也具有重要意义。这些地区的稳定环境通常支持独特的生态系统和生物多样性。许多植物和动物已经适应了“大陆盾”的特定条件，使其在保护工作中至关重要。保护这些地区免受工业开发和环境退化的影响对于维护其生态完整性至关重要。此外，“大陆盾”往往为人类活动提供基础。许多城市和城镇在这些地区发展，由于其资源丰富和土地稳定。然而，这种人类活动可能导致污染和栖息地破坏等挑战。政策制定者和社区领导者必须平衡经济发展与环境保护，以确保“大陆盾”及其生态系统的可持续性。总之，“大陆盾”的概念不仅仅是一个地质术语；它体现了我们星球的历史、我们依赖的资源以及我们努力保护的生态系统。当我们继续探索和理解这些古老的地貌时，我们还必须认识到保护它们以惠及后代的责任。“大陆盾”的研究不仅丰富了我们对地球过去的知识，还指导我们做出明智的决定，处理我们与环境的未来互动。