aphanitic basalt

简明释义

隐晶玄武岩;

英英释义

例句

1.The geological survey revealed that the area is primarily composed of aphanitic basalt, which indicates a rapid cooling process of lava.

地质调查显示该地区主要由隐晶质玄武岩组成，这表明岩浆冷却过程迅速。

2.In our field trip, we collected samples of aphanitic basalt to study its mineral composition.

在我们的实地考察中，我们收集了隐晶质玄武岩样本以研究其矿物成分。

3.The construction materials derived from aphanitic basalt are known for their durability.

来自隐晶质玄武岩的建筑材料以其耐用性而闻名。

4.The presence of aphanitic basalt in the region suggests volcanic activity in the past.

该地区存在隐晶质玄武岩表明过去有火山活动。

5.Geologists often use thin sections of aphanitic basalt to analyze its texture under a microscope.

地质学家常常使用薄片的隐晶质玄武岩在显微镜下分析其纹理。

作文

The study of igneous rocks is a fascinating field within geology, as it helps us understand the processes that shape our planet. One particular type of igneous rock that has garnered attention is aphanitic basalt. This rock is characterized by its fine-grained texture, which means that the individual mineral crystals are too small to be seen with the naked eye. The formation of aphanitic basalt occurs when lava cools rapidly on the Earth's surface, leading to the crystallization of minerals in a way that results in this unique texture.Basalt itself is one of the most abundant volcanic rocks on Earth and is primarily composed of plagioclase feldspar and pyroxene. When we refer to aphanitic basalt, we are specifically talking about basalt that has cooled quickly, often due to its eruption from a volcano. The rapid cooling prevents large crystals from forming, which is why the rock appears smooth and uniform.The significance of aphanitic basalt extends beyond its appearance. It plays a crucial role in understanding volcanic activity and the geological history of an area. For instance, regions with extensive outcrops of aphanitic basalt can indicate past volcanic eruptions, providing insights into the dynamics of magma movement and eruption styles.In addition to its geological importance, aphanitic basalt also has practical applications. Its durability and strength make it a popular choice for construction materials, such as aggregates for concrete. Furthermore, the rock's properties allow it to be polished and used for decorative purposes in architecture and landscaping.When studying aphanitic basalt, geologists often conduct fieldwork to collect samples and analyze their composition. Techniques such as thin section petrography and scanning electron microscopy are employed to examine the mineral content and texture in detail. These analyses help scientists draw conclusions about the conditions under which the rock formed and the processes that led to its current state.In conclusion, aphanitic basalt is more than just a type of rock; it is a window into the Earth's volcanic past and a material with significant practical applications. Understanding this rock type not only enhances our knowledge of geology but also informs various industries that rely on its unique properties. As we continue to explore and study aphanitic basalt, we uncover more about the complex interactions between the Earth's crust and the molten materials that reside beneath it.

火成岩的研究是地质学中的一个迷人领域，它帮助我们理解塑造我们星球的过程。一种特别受到关注的火成岩类型是隐晶玄武岩。这种岩石的特征是其细粒结构，这意味着单个矿物晶体太小，肉眼无法看到。隐晶玄武岩的形成发生在熔岩迅速冷却于地球表面时，导致矿物以一种独特的方式结晶，从而产生这种独特的纹理。玄武岩本身是地球上最丰富的火山岩之一，主要由斜长石和辉石组成。当我们提到隐晶玄武岩时，我们特别指的是快速冷却的玄武岩，通常由于其从火山喷发出来。快速冷却阻止了大晶体的形成，这就是为什么岩石看起来光滑而均匀。隐晶玄武岩的重要性超越了它的外观。它在理解火山活动和一个地区的地质历史中发挥着至关重要的作用。例如，广泛出露的隐晶玄武岩区域可以表明过去的火山喷发，为了解岩浆运动和喷发风格的动态提供了见解。除了其地质重要性外，隐晶玄武岩还具有实际应用。其耐用性和强度使其成为建筑材料的热门选择，例如混凝土的骨料。此外，该岩石的特性使其能够被抛光并用于建筑和景观中的装饰目的。在研究隐晶玄武岩时，地质学家通常进行野外工作以收集样本并分析其成分。薄片岩石显微镜法和扫描电子显微镜等技术被用来详细检查矿物含量和纹理。这些分析帮助科学家得出关于岩石形成条件和导致其当前状态的过程的结论。总之，隐晶玄武岩不仅是一种岩石；它是通往地球火山过去的窗口，也是具有重要实际应用的材料。理解这种岩石类型不仅增强了我们对地质学的了解，还为依赖其独特性质的各个行业提供了信息。随着我们继续探索和研究隐晶玄武岩，我们揭示了地壳与其下熔融材料之间复杂相互作用的更多内容。