rhyolitic

简明释义

英[ˌraɪəˈlɪtɪk]美[ˌraɪəˈlɪtɪk]

流纹质

英英释义

单词用法

同义词

反义词

例句

1.Nanliang complex is mainly composed of porphyritic granite, granophyre, rhyolite - porphyry and rhyolitic agmatite-lava.

南梁岩体主要由斑状花岗岩、流纹斑岩、花斑岩及流纹质角砾熔岩组成。

2.The volcanics are commonly andesitic in composition, but basaltic and rhyolitic volcanics are abundant in some areas.

火山岩的组成通常是安山岩，但在某些地区玄武岩质和流纹岩质也很丰富。

3.Modern geology studies have shown that Hill is a world with a sense of typical Cretaceous rhyolitic ancient volcano - caldera.

现代地质学研究表明，雁荡山是一座具有世界意义的典型的白垩纪流纹质古火山——破火山。

4.The Longtoushan gold deposit is related to late Yanshanian subvolcanic rocks such as rhyolitic porphyry and breccia lava.

龙头山金矿床与燕山晚期流纹斑岩、角砾熔岩等次火山岩相有关。

5.Welded tuff is commonly rhyolitic in composition.

焊接凝灰岩在组成上通常为流纹岩。

6.Modern geology studies have shown that Hill is a world with a sense of typical Cretaceous rhyolitic ancient volcano - caldera.

现代地质学研究表明，雁荡山是一座具有世界意义的典型的白垩纪流纹质古火山——破火山。

7.The volcanic eruption produced a large amount of rhyolitic lava, which cooled quickly to form a glassy texture.

火山喷发产生了大量的流纹岩熔岩，这些熔岩迅速冷却形成了玻璃状的质地。

8.The rhyolitic deposits in this area indicate a history of explosive volcanic eruptions.

该地区的流纹岩沉积物表明有爆炸性火山喷发的历史。

9.Many hot springs are associated with rhyolitic volcanism, where silica-rich fluids rise to the surface.

许多温泉与流纹岩火山活动相关，其中富含二氧化硅的液体上升到地表。

10.The rhyolitic composition of the rock suggests it formed from highly viscous magma.

岩石的流纹岩成分表明它是由高度粘稠的岩浆形成的。

11.Geologists often study rhyolitic rocks to understand the conditions of ancient volcanic activity.

地质学家常常研究流纹岩来了解古代火山活动的条件。

作文

Rhyolitic volcanic eruptions are some of the most fascinating geological phenomena on Earth. These eruptions are characterized by their explosive nature and the composition of the lava produced. Rhyolite, the volcanic equivalent of granite, is rich in silica and typically has a light color, ranging from white to pink. The term rhyolitic refers specifically to the properties and characteristics associated with this type of volcanic rock. Understanding rhyolitic eruptions can provide valuable insights into the behavior of volcanoes and the formation of the Earth's crust.One of the most significant aspects of rhyolitic eruptions is their high viscosity. This means that the lava does not flow easily, leading to the buildup of pressure within the volcano. When the pressure becomes too great, it results in a catastrophic explosion, ejecting ash, pumice, and other volcanic materials into the atmosphere. Such explosive events can have devastating effects on the surrounding environment and human settlements. For instance, the eruption of Mount St. Helens in 1980 was a rhyolitic event that caused widespread destruction and loss of life.The study of rhyolitic volcanism is crucial for predicting future eruptions. Scientists analyze the geological features and past eruption patterns to understand the potential hazards associated with rhyolitic volcanoes. By monitoring gas emissions, seismic activity, and ground deformation, researchers can provide early warnings to communities at risk. This proactive approach can save lives and minimize economic losses.In addition to their explosive nature, rhyolitic eruptions can also lead to the formation of unique geological structures. The rapid cooling of lava during an explosive eruption can create volcanic glass, such as obsidian, which is known for its sharp edges and beautiful luster. Furthermore, the deposition of volcanic ash can enrich the soil, creating fertile land for agriculture. In regions where rhyolitic eruptions have occurred, farmers often benefit from the nutrient-rich soils that result from these explosive events.Moreover, rhyolitic deposits can provide important clues about the history of our planet. By studying the layers of volcanic rock and ash, geologists can reconstruct past environments and climate conditions. This information is vital for understanding how the Earth has evolved over millions of years and can inform predictions about future geological activity.In conclusion, the study of rhyolitic volcanic eruptions is essential for both scientific understanding and practical applications. From predicting hazards to enriching soils, the implications of rhyolitic volcanism are vast. As we continue to learn more about these powerful natural events, we can better prepare for their impacts and appreciate the complex processes that shape our planet. The ongoing research in this field highlights the importance of geology in our daily lives and the need for continued exploration of the Earth’s dynamic systems.

流纹岩火山喷发是地球上最迷人的地质现象之一。这些喷发以其爆炸性特征和所产生的熔岩成分而著称。流纹岩是火山等同于花岗岩的岩石，富含二氧化硅，通常呈浅色，从白色到粉色不等。术语rhyolitic特指与这种类型的火山岩相关的属性和特征。理解rhyolitic喷发可以为火山的行为和地壳的形成提供宝贵的见解。rhyolitic喷发最显著的方面之一是其高粘度。这意味着熔岩不易流动，导致火山内部压力的积聚。当压力过大时，会导致灾难性的爆炸，将灰烬、浮石和其他火山材料喷射到大气中。这种爆炸性事件可能对周围环境和人类居住区造成毁灭性的影响。例如，1980年圣海伦斯山的喷发就是一次rhyolitic事件，造成了广泛的破坏和生命损失。研究rhyolitic火山活动对于预测未来喷发至关重要。科学家分析地质特征和过去的喷发模式，以了解与rhyolitic火山相关的潜在危险。通过监测气体排放、地震活动和地面变形，研究人员可以为面临风险的社区提供早期预警。这种主动的方法可以拯救生命，减少经济损失。除了其爆炸性特征外，rhyolitic喷发还可以导致独特的地质结构的形成。喷发过程中熔岩快速冷却会形成火山玻璃，如黑曜石，以其锋利的边缘和美丽的光泽而闻名。此外，火山灰的沉积可以丰富土壤，为农业创造肥沃的土地。在发生过rhyolitic喷发的地区，农民通常受益于这些爆炸事件所产生的富含营养的土壤。此外，rhyolitic沉积物可以提供有关我们星球历史的重要线索。通过研究火山岩和灰烬的层次，地质学家可以重建过去的环境和气候条件。这些信息对于理解地球如何在数百万年中演变至关重要，并可以为预测未来的地质活动提供参考。总之，研究rhyolitic火山喷发对于科学理解和实际应用都是至关重要的。从预测危险到丰富土壤，rhyolitic火山活动的影响是巨大的。随着我们继续深入了解这些强大的自然事件，我们可以更好地为其影响做好准备，并欣赏塑造我们星球的复杂过程。该领域的持续研究突显了地质学在我们日常生活中的重要性，以及继续探索地球动态系统的必要性。