Allegheny orogeny

简明释义

1. 阿勒格尼造山运动; 2. 阿勒格尼造山运动晚古生代—下三叠纪; 3. 美国;

英英释义

例句

1.The Allegheny orogeny occurred during the late Paleozoic era, shaping much of eastern North America.

阿勒格尼造山运动发生在古生代晚期，塑造了北美东部的大部分地区。

2.The Allegheny orogeny is a key event in understanding the geological history of the United States.

阿勒格尼造山运动是理解美国地质历史的一个关键事件。

3.Many minerals found in Pennsylvania were formed as a result of the Allegheny orogeny.

宾夕法尼亚州发现的许多矿物是由于阿勒格尼造山运动而形成的。

4.The formation of the Appalachian Mountains is largely attributed to the events of the Allegheny orogeny.

阿巴拉契亚山脉的形成主要归因于阿勒格尼造山运动的事件。

5.Geologists study rock layers to understand the impact of the Allegheny orogeny on the region's geology.

地质学家研究岩层，以了解阿勒格尼造山运动对该地区地质的影响。

作文

The term Allegheny orogeny refers to a significant geological event that occurred during the late Paleozoic era, approximately 325 to 250 million years ago. This period was marked by extensive mountain-building processes, primarily in what is now the eastern United States. The Allegheny orogeny played a crucial role in shaping the Appalachian Mountains, which are among the oldest mountain ranges in North America. Understanding this orogeny is essential for geologists and paleontologists alike, as it provides insights into the tectonic forces that have shaped our planet over millions of years.During the Allegheny orogeny, the collision of tectonic plates resulted in the uplift of the Earth's crust, leading to the formation of large mountain ranges. This event was part of a series of orogenic phases that collectively contributed to the development of the Appalachian region. The Allegheny orogeny is often associated with the collision of the North American plate with other landmasses, including parts of Africa and Europe, during the formation of the supercontinent Pangaea.One of the most fascinating aspects of the Allegheny orogeny is its impact on the sedimentary rock layers that were deposited before and during the event. As the mountains rose, erosion began to shape the landscape, creating valleys and altering river systems. The sediment that was eroded from these newly formed mountains was transported and deposited in nearby basins, contributing to the complex geology of the region.The study of the Allegheny orogeny has provided geologists with valuable information about past climates and environments. Fossils found in sedimentary rocks from this period offer clues about the types of flora and fauna that existed during the late Paleozoic era. For instance, the presence of certain plant fossils indicates that the climate was likely warm and humid, supporting lush vegetation. This evidence helps scientists understand how life on Earth has evolved in response to changing geological conditions.Furthermore, the Allegheny orogeny is significant not only for its geological implications but also for its influence on human history. The Appalachian region, shaped by this ancient orogeny, has been home to various Indigenous peoples and later European settlers. The natural resources found in these mountains, such as coal and timber, have played a vital role in the economic development of the United States. Today, the legacy of the Allegheny orogeny continues to be felt, as the region remains a site of interest for both scientific research and outdoor recreation.In conclusion, the Allegheny orogeny is a remarkable geological phenomenon that has left an indelible mark on the landscape and history of the eastern United States. Its study not only enhances our understanding of Earth's geological processes but also connects us to the rich tapestry of life that has thrived in this region over millions of years. As we continue to explore and learn about the Allegheny orogeny, we gain deeper insights into the dynamic nature of our planet and the forces that have shaped it.

“阿勒格尼造山运动”一词指的是发生在古生代晚期，即大约3.25亿到2.5亿年前的一个重要地质事件。这个时期以广泛的造山过程为特征，主要发生在现在美国东部地区。“阿勒格尼造山运动”在塑造阿巴拉契亚山脉方面发挥了至关重要的作用，该山脉是北美最古老的山脉之一。理解这一造山运动对地质学家和古生物学家来说至关重要，因为它提供了关于数百万年来塑造我们星球的构造力量的见解。在“阿勒格尼造山运动”期间，构造板块的碰撞导致地壳的抬升，从而形成了大型山脉。这一事件是系列造山阶段的一部分，共同促进了阿巴拉契亚地区的发展。“阿勒格尼造山运动”通常与北美板块与包括非洲和欧洲部分在内的其他陆块的碰撞相关联，这一过程发生在超级大陆潘吉亚的形成过程中。“阿勒格尼造山运动”最引人注目的方面之一是其对在该事件之前和期间沉积的沉积岩层的影响。随着山脉的升起，侵蚀开始塑造景观，创造出山谷并改变河流系统。从这些新形成的山脉中侵蚀下来的沉积物被运输并沉积在附近的盆地中，进一步丰富了该地区复杂的地质结构。对“阿勒格尼造山运动”的研究为地质学家提供了有关过去气候和环境的宝贵信息。在这一时期的沉积岩中发现的化石提供了关于古生代晚期存在的植物和动物类型的线索。例如，某些植物化石的存在表明，气候可能温暖潮湿，支持着丰盛的植被。这些证据帮助科学家理解生命如何随着地质条件的变化而进化。此外，“阿勒格尼造山运动”不仅因其地质意义而重要，还因其对人类历史的影响而重要。由这一古老造山运动塑造的阿巴拉契亚地区，一直是各种土著人民和后来的欧洲定居者的家园。这些山脉中发现的自然资源，如煤炭和木材，对美国的经济发展起到了至关重要的作用。如今，“阿勒格尼造山运动”的遗产仍然在继续，因为该地区仍然是科学研究和户外娱乐的兴趣所在。总之，“阿勒格尼造山运动”是一个显著的地质现象，对美国东部的景观和历史留下了不可磨灭的印记。它的研究不仅增强了我们对地球地质过程的理解，也将我们与数百万年来在这一地区繁荣生存的丰富生命联系在一起。随着我们继续探索和学习“阿勒格尼造山运动”，我们对我们星球的动态本质及其塑造力量有了更深刻的认识。