aphanitic diabase

简明释义

隐晶辉绿岩;

英英释义

例句

1.During the field trip, we collected samples of aphanitic diabase from the volcanic rock formations.

在实地考察中，我们从火山岩层中收集了细粒辉绿岩样本。

2.The aphanitic diabase exhibits a fine-grained texture, making it difficult to see individual mineral grains.

该细粒辉绿岩呈现出细粒纹理，使得很难看清单个矿物颗粒。

3.In petrology classes, students often study aphanitic diabase to understand its formation and properties.

在岩石学课程中，学生们常常研究细粒辉绿岩以理解其形成和特性。

4.The geological survey revealed that the region is predominantly composed of aphanitic diabase, which indicates a rapid cooling process beneath the surface.

地质调查显示该地区主要由细粒辉绿岩组成，这表明在地表下快速冷却的过程。

5.The construction materials included aphanitic diabase, known for its durability and strength.

建筑材料中包括细粒辉绿岩，以其耐久性和强度而闻名。

作文

The term aphanitic diabase refers to a specific type of igneous rock that is characterized by its fine-grained texture. In geology, the classification of rocks is crucial for understanding their formation and the conditions under which they were created. Aphanitic diabase, also known as dolerite in some regions, forms when magma cools quickly beneath the Earth's surface. This rapid cooling prevents the formation of large crystals, resulting in a rock that appears uniform and smooth to the naked eye. Geologists often study aphanitic diabase to gain insights into the geological history of an area. For instance, the presence of this rock can indicate past volcanic activity or tectonic movements. The mineral composition of aphanitic diabase typically includes plagioclase feldspar, pyroxene, and sometimes olivine, which contribute to its dark coloration and density. One of the key features of aphanitic diabase is its ability to form in various geological settings. It can be found in dike formations, which are vertical intrusions of magma that cut through existing rock layers. These formations can serve as important indicators of the movement of magma within the Earth’s crust. Additionally, aphanitic diabase can also occur in sills, which are horizontal intrusions that lie parallel to the surrounding rock layers. The study of aphanitic diabase is not only significant for academic purposes but also has practical applications. For example, due to its durability and strength, aphanitic diabase is often used as a construction material. It can be crushed and used as aggregate in concrete or as a dimension stone for buildings and monuments. Understanding the properties of aphanitic diabase allows engineers and architects to make informed decisions about its use in various projects. In addition to its practical uses, aphanitic diabase also contributes to our understanding of Earth’s processes. By studying the formation and characteristics of this rock, scientists can infer information about the temperature and pressure conditions that existed during its formation. This knowledge can help reconstruct the geological history of the region and provide insights into the processes that shape our planet. In conclusion, the term aphanitic diabase encompasses much more than just a type of rock; it represents a vital component of geological study and understanding. Its unique properties and formation processes make it a subject of interest for both geologists and engineers alike. By further exploring the significance of aphanitic diabase, we can continue to unravel the complexities of Earth’s geological history and enhance our ability to utilize natural resources effectively.

术语细粒辉绿岩指的是一种特定类型的火成岩，其特征是细粒纹理。在地质学中，岩石的分类对于理解其形成及其创建条件至关重要。细粒辉绿岩，在某些地区也称为辉绿岩，当岩浆在地球表面下迅速冷却时形成。这种快速冷却阻止了大晶体的形成，导致岩石在肉眼下看起来均匀光滑。地质学家常常研究细粒辉绿岩以获取一个地区的地质历史的见解。例如，这种岩石的存在可以表明过去的火山活动或构造运动。细粒辉绿岩的矿物组成通常包括斜长石、辉石，有时还有橄榄石，这些矿物赋予其深色和密度。细粒辉绿岩的一个关键特征是它能够在各种地质环境中形成。它可以在岩脉形成中找到，这些岩脉是切穿现有岩层的垂直岩浆侵入物。这些形成可以作为岩浆在地壳内移动的重要指示。此外，细粒辉绿岩也可以在层间侵入中出现，这些侵入物是与周围岩层平行的水平侵入物。对细粒辉绿岩的研究不仅对学术目的具有重要意义，还有实际应用。例如，由于其耐久性和强度，细粒辉绿岩常被用作建筑材料。它可以被破碎并用作混凝土中的骨料或作为建筑和纪念碑的尺寸石。了解细粒辉绿岩的特性使工程师和建筑师能够就其在各种项目中的使用做出明智的决定。除了实际用途，细粒辉绿岩还促进了我们对地球过程的理解。通过研究这种岩石的形成和特征，科学家可以推断出在其形成过程中存在的温度和压力条件。这些知识可以帮助重建该地区的地质历史，并提供关于塑造我们星球的过程的见解。总之，术语细粒辉绿岩不仅仅涵盖了一种岩石；它代表了地质研究和理解的重要组成部分。其独特的特性和形成过程使其成为地质学家和工程师共同感兴趣的主题。通过进一步探索细粒辉绿岩的重要性，我们可以继续揭示地球地质历史的复杂性，并增强我们有效利用自然资源的能力。