basal cone

简明释义

基部锥伐;

英英释义

例句

1.The research team used satellite imagery to identify the location of the basal cone in the remote volcanic landscape.

研究小组利用卫星图像识别了偏远火山景观中basal cone（基底锥）的具体位置。

2.In sedimentary geology, the basal cone can indicate past volcanic events and their impact on sediment deposition.

在沉积地质学中，basal cone（基底锥）可以指示过去的火山事件及其对沉积物沉积的影响。

3.The geologist explained that the basal cone is formed by the accumulation of volcanic materials at the base of a volcano.

地质学家解释说，basal cone（基底锥）是通过火山材料在火山底部的积累形成的。

4.During the field trip, we observed a well-preserved basal cone that provided insights into the volcanic activity of the region.

在实地考察中，我们观察到了一个保存完好的basal cone（基底锥），这为我们提供了该地区火山活动的见解。

5.A detailed study of the basal cone revealed layers of ash and lava flows from different eruptions.

对basal cone（基底锥）的详细研究揭示了不同喷发所形成的灰烬和熔岩流层。

作文

In the study of geology and volcanology, terms like basal cone are essential for understanding the structure and behavior of volcanic formations. A basal cone refers to the foundational structure of a volcano, typically formed from the accumulation of lava flows, tephra, and other volcanic materials. This term is significant because it helps geologists categorize and analyze different types of volcanoes based on their shapes and eruption styles. The formation of a basal cone occurs during the initial stages of a volcano's development. As magma from beneath the Earth's crust rises to the surface, it erupts through vents, creating layers of solidified lava and other volcanic debris. Over time, these layers build up to form a cone-shaped structure at the base of the volcano. The height and steepness of a basal cone can vary greatly depending on the viscosity of the lava and the frequency of eruptions. For instance, a volcano that produces highly viscous lava will generally have a steeper and more prominent basal cone, while one with fluid lava may develop a broader and less steep cone.Understanding the characteristics of a basal cone is crucial for predicting volcanic activity. Geologists study these structures to assess the potential hazards associated with a volcano. For example, a tall and steep basal cone might indicate a volcano that could produce explosive eruptions, whereas a gently sloping cone may suggest a volcano that primarily erupts in a non-explosive manner. By analyzing the morphology of a basal cone, scientists can also infer the history of past eruptions, which is vital for risk assessment in populated areas near active volcanoes.Moreover, the basal cone plays a key role in the ecological dynamics surrounding a volcano. The materials that compose the cone often create unique habitats for various plant and animal species. The nutrient-rich soil formed from volcanic ash can support diverse vegetation, which in turn attracts wildlife. Therefore, the study of a basal cone extends beyond geology; it encompasses ecology and conservation as well.In conclusion, the concept of a basal cone is fundamental in the fields of volcanology and geology. It provides insight into the formation and evolution of volcanoes, helps predict volcanic behavior, and highlights the ecological significance of these geological structures. By continuing to study basal cones, scientists can improve their understanding of volcanic systems and enhance their ability to mitigate risks associated with volcanic eruptions, ultimately protecting both human life and the environment.

在地质学和火山学的研究中，像basal cone这样的术语对于理解火山形成的结构和行为至关重要。basal cone指的是火山的基础结构，通常由熔岩流、火山灰和其他火山材料的积累形成。这个术语的重要性在于它帮助地质学家根据火山的形状和喷发风格对不同类型的火山进行分类和分析。basal cone的形成发生在火山发展的初始阶段。当来自地球地壳下方的岩浆上升到表面时，它通过通风口喷发，形成固化的熔岩层和其他火山碎屑。随着时间的推移，这些层叠加在一起，形成一个位于火山底部的锥形结构。basal cone的高度和陡峭程度可能会因熔岩的粘度和喷发频率而大相径庭。例如，产生高粘度熔岩的火山通常会有一个更陡、更突出的basal cone，而流动性熔岩的火山可能会发展出一个更宽、更平缓的锥体。理解basal cone的特征对于预测火山活动至关重要。地质学家研究这些结构以评估与火山相关的潜在危害。例如，一个高且陡峭的basal cone可能表明该火山可能会产生爆炸性喷发，而一个缓坡锥体则可能暗示该火山主要以非爆炸的方式喷发。通过分析basal cone的形态，科学家还可以推断过去喷发的历史，这对居住在活火山附近的地区的风险评估至关重要。此外，basal cone在火山周围的生态动态中也起着关键作用。构成锥体的材料通常为各种植物和动物物种创造独特的栖息地。由火山灰形成的富含营养的土壤可以支持多样的植被，而这又吸引了野生动物。因此，basal cone的研究不仅限于地质学；它还涉及生态学和保护。总之，basal cone的概念在火山学和地质学领域是基本的。它提供了对火山形成与演变的洞察，有助于预测火山行为，并突显这些地质结构的生态重要性。通过继续研究basal cones，科学家可以提高对火山系统的理解，并增强减轻与火山喷发相关风险的能力，从而最终保护人类生命和环境。