basic hornfels

简明释义

基性角岩;

英英释义

例句

1.The geologist explained that basic hornfels 基性角岩 forms when basaltic rocks are subjected to high temperatures and pressures.

地质学家解释说，基性角岩 basic hornfels 是在玄武岩受到高温和高压时形成的。

2.In the field study, we collected samples of basic hornfels 基性角岩 to analyze their mineral composition.

在野外研究中，我们收集了基性角岩 basic hornfels 的样本以分析其矿物成分。

3.The rock cycle demonstrates how basic hornfels 基性角岩 can transform into other types of metamorphic rocks.

岩石循环展示了基性角岩 basic hornfels 如何转变为其他类型的变质岩。

4.The presence of basic hornfels 基性角岩 in this region indicates significant metamorphic activity.

该地区存在基性角岩 basic hornfels 表明有显著的变质活动。

5.During our hike, we noticed several outcrops of basic hornfels 基性角岩 along the trail.

在我们的徒步旅行中，我们注意到小径旁有几处基性角岩 basic hornfels 的露头。

作文

The study of geology reveals a fascinating world beneath our feet, one that is shaped by immense forces and processes over millions of years. Among the various types of metamorphic rocks, basic hornfels stands out due to its unique formation and characteristics. Understanding basic hornfels requires delving into the conditions under which it forms, its mineral composition, and its significance in the geological landscape. Hornfels are typically formed through the contact metamorphism of sedimentary or igneous rocks when they are subjected to high temperatures and pressures, usually due to nearby magma intrusions. The term 'basic' refers to the chemical composition of the original rock from which the hornfels is derived. In this case, basic hornfels originates from basalt or other mafic rocks, which are rich in iron and magnesium. This composition gives basic hornfels its distinctive dark color and dense texture. One of the remarkable features of basic hornfels is its fine-grained texture, which results from the recrystallization of minerals during the metamorphic process. Unlike other metamorphic rocks that may exhibit visible layers or foliation, hornfels is typically non-foliated, meaning it does not have a layered appearance. This lack of foliation is a direct result of the intense heat and pressure it experiences, which causes the minerals to interlock tightly, creating a strong and durable rock. The presence of basic hornfels can tell geologists a lot about the geological history of an area. For instance, finding hornfels in a region may indicate that there was once volcanic activity nearby, as the original basaltic rock would have been formed from lava flows. Additionally, the study of these rocks can provide insights into the temperature and pressure conditions that existed during their formation, helping scientists reconstruct the tectonic events that shaped the Earth’s crust. In terms of practical applications, basic hornfels is often used as a building material due to its hardness and durability. Its resistance to weathering makes it an excellent choice for construction projects, particularly in areas that experience harsh environmental conditions. Furthermore, the unique aesthetic qualities of hornfels can enhance the visual appeal of structures, making it a popular choice among architects and designers. In summary, basic hornfels is a significant metamorphic rock that provides valuable information about geological processes and history. Its unique formation, mineral composition, and practical uses make it an interesting subject of study for geologists and a valuable resource in construction. As we continue to explore and understand the Earth’s geology, basic hornfels will undoubtedly remain an important focus of research and application.

地质学的研究揭示了我们脚下一个迷人的世界，这个世界是由数百万年来巨大的力量和过程塑造的。在各种类型的变质岩中，基本角岩因其独特的形成和特征而脱颖而出。理解基本角岩需要深入探讨它形成的条件、矿物组成以及它在地质景观中的重要性。角岩通常是通过接触变质作用形成的，该过程发生在沉积岩或火成岩受到高温和压力的影响时，通常是由于附近的岩浆侵入。术语“基本”指的是角岩来源的原始岩石的化学成分。在这种情况下，基本角岩源自玄武岩或其他镁铁质岩石，这些岩石富含铁和镁。这种成分赋予了基本角岩其独特的深色和致密的纹理。基本角岩的一个显著特征是其细粒纹理，这是在变质过程中矿物重结晶的结果。与其他可能表现出明显层理或片理的变质岩不同，角岩通常是非片理的，这意味着它没有分层的外观。这种缺乏片理的现象是其经历的强烈热量和压力的直接结果，这导致矿物紧密交错，形成坚固耐用的岩石。在一个地区发现基本角岩可以告诉地质学家很多关于该地区地质历史的信息。例如，在一个区域发现角岩可能表明附近曾经存在火山活动，因为原始的玄武岩是由熔岩流形成的。此外，对这些岩石的研究可以提供有关其形成期间存在的温度和压力条件的见解，帮助科学家重建塑造地球地壳的构造事件。就实际应用而言，由于其硬度和耐用性，基本角岩常常被用作建筑材料。其抗风化性能使其成为建筑项目的优秀选择，特别是在经历严酷环境条件的地区。此外，角岩独特的美学特性可以增强结构的视觉吸引力，使其在建筑师和设计师中受到欢迎。总之，基本角岩是一种重要的变质岩，为地质过程和历史提供了有价值的信息。其独特的形成、矿物组成和实际用途使其成为地质学家研究的有趣主题，并且在建筑中也是一种宝贵的资源。随着我们继续探索和理解地球的地质，基本角岩无疑将继续成为研究和应用的重要焦点。