buttress unconformity

简明释义

1. 长壁状不整合; 2. 陡壁不整合;

英英释义

A buttress unconformity refers to a geological feature where younger sedimentary layers are deposited on top of older, tilted or eroded rock layers, providing structural support and indicating a period of non-deposition or erosion.

支撑不整合是指一种地质特征,其中较年轻的沉积层被沉积在较老的倾斜或侵蚀岩层之上,提供结构支持,并表明存在不沉积或侵蚀的时期。

例句

1.During our field trip, we observed a clear example of buttress unconformity 支撑不整合 at the canyon wall.

在我们的实地考察中,我们观察到峡谷壁上明显的buttress unconformity 支撑不整合实例。

2.The geologist explained how the buttress unconformity 支撑不整合 can indicate a significant geological event in the area.

地质学家解释了如何通过buttress unconformity 支撑不整合来指示该地区的重要地质事件。

3.The formation of a buttress unconformity 支撑不整合 suggests that there was a pause in sediment deposition.

一个buttress unconformity 支撑不整合的形成表明沉积物沉积存在暂停。

4.In sedimentary geology, a buttress unconformity 支撑不整合 often indicates a change in environmental conditions.

在沉积地质学中,buttress unconformity 支撑不整合通常表明环境条件发生变化。

5.Understanding buttress unconformity 支撑不整合 can help us reconstruct the geological history of the region.

理解buttress unconformity 支撑不整合可以帮助我们重建该地区的地质历史。

作文

In the study of geology, understanding various types of rock formations and their relationships is crucial for deciphering Earth's history. One term that often arises in this context is buttress unconformity, which refers to a specific type of unconformity where younger sedimentary rocks rest upon older rocks that are tilted or deformed, creating a supportive structure or 'buttress' effect. This formation not only provides insight into the geological processes that have occurred over millions of years but also serves as an important indicator of tectonic activity in a given area.To fully grasp the significance of buttress unconformity (支撑不整合), we must first understand what unconformities are. An unconformity represents a gap in the geological record, where either erosion or non-deposition has occurred. This means that there is a period of time where no new sediments were deposited, leaving a 'missing piece' in the timeline of Earth's history. Unconformities can arise due to various geological processes, including tectonic movements, volcanic activity, or changes in sea level.The buttress unconformity (支撑不整合) is particularly interesting because it showcases the dynamic nature of Earth's crust. When older rocks are tilted due to tectonic forces, they create a surface that younger sediments can rest upon. The younger layers, which are typically more horizontal, may appear to be 'supported' by the older, tilted layers beneath them. This visual representation is akin to a buttress supporting a wall, hence the name. It is a striking example of how geological forces interact and shape the landscape over time.One notable location where buttress unconformity (支撑不整合) can be observed is in the Grand Canyon. Here, the Vishnu Schist, which is nearly two billion years old, is exposed at the bottom of the canyon, while the younger sedimentary layers above it tell a story of more recent geological events. The contrast between these layers not only highlights the concept of unconformity but also provides a window into the environmental conditions that existed at different times throughout Earth's history.Understanding buttress unconformity (支撑不整合) is essential for geologists as they attempt to reconstruct past environments and predict future geological changes. By studying these formations, scientists can infer the timing and nature of tectonic events, the rate of erosion, and even the climatic conditions that prevailed during the deposition of the various rock layers. This knowledge is invaluable for fields such as natural resource management, environmental science, and even archaeology, as it helps us understand the broader context of human history in relation to geological processes.In conclusion, the concept of buttress unconformity (支撑不整合) encapsulates the intricate relationship between different rock layers and the geological forces that shape our planet. As we continue to explore and study these formations, we gain a deeper appreciation for the dynamic processes that have shaped Earth’s surface over billions of years. This understanding not only enriches our knowledge of geology but also enhances our ability to navigate the challenges posed by natural disasters and environmental changes in the future.

在地质学的研究中,理解各种岩石形成及其关系对于解读地球历史至关重要。在这个背景下,buttress unconformity(支撑不整合)这一术语经常出现,它指的是一种特定类型的不整合,其中年轻的沉积岩位于倾斜或变形的老岩石之上,形成了一种支撑结构或“支撑”效应。这种构造不仅提供了对数百万年来发生的地质过程的洞察,也作为一个重要的指示器,表明某一地区的构造活动。要充分理解buttress unconformity(支撑不整合)的意义,我们首先必须了解什么是不整合。不整合代表着地质记录中的一个间隙,即侵蚀或非沉积的发生。这意味着在某个时期没有新的沉积物被沉积,留下了地球历史时间线上的“缺失片段”。不整合可以由于多种地质过程而产生,包括构造运动、火山活动或海平面的变化。buttress unconformity(支撑不整合)尤其有趣,因为它展示了地球外壳的动态特性。当由于构造力而使老岩石倾斜时,它们会创造出一个年轻沉积物可以依附的表面。通常更为水平的年轻层似乎在下面的老层的“支持”下,这种视觉表现类似于支撑墙壁的支柱,因此得名。这是一个引人注目的例子,展示了地质力量如何相互作用并随着时间的推移塑造景观。一个可以观察到buttress unconformity(支撑不整合)的著名地点是大峡谷。在这里,几乎有20亿年历史的维什努片麻岩暴露在峡谷底部,而上方的年轻沉积层则讲述了更近地质事件的故事。这些层之间的对比不仅突显了不整合的概念,还提供了关于不同时间地球历史中存在的环境条件的窗口。理解buttress unconformity(支撑不整合)对于地质学家来说至关重要,因为他们试图重建过去的环境并预测未来的地质变化。通过研究这些构造,科学家可以推断构造事件的时间和性质、侵蚀的速率,甚至是沉积各种岩层时盛行的气候条件。这些知识对于自然资源管理、环境科学甚至考古学等领域都是无价的,因为它帮助我们理解人类历史与地质过程之间的广泛背景。总之,buttress unconformity(支撑不整合)的概念概括了不同岩层之间复杂的关系以及塑造我们星球的地质力量。随着我们继续探索和研究这些构造,我们对数十亿年来塑造地球表面的动态过程有了更深刻的认识。这种理解不仅丰富了我们对地质学的知识,也增强了我们应对未来自然灾害和环境变化所带来的挑战的能力。

相关单词

buttress

buttress详解:怎么读、什么意思、用法

unconformity

unconformity详解:怎么读、什么意思、用法