alkali feldspar

简明释义

1. 碱长石; 2. 碱性长石;

英英释义

例句

1.The rock sample contained a significant amount of alkali feldspar (碱长石), indicating its igneous origin.

这块岩石样本含有大量的alkali feldspar（碱长石），表明其为火成岩的起源。

2.In petrology, alkali feldspar (碱长石) is classified into two main types: orthoclase and microcline.

在岩石学中，alkali feldspar（碱长石）主要分为两种类型：正长石和微斜长石。

3.Research shows that alkali feldspar (碱长石) plays a crucial role in the weathering process of rocks.

研究表明，alkali feldspar（碱长石）在岩石的风化过程中起着关键作用。

4.The presence of alkali feldspar (碱长石) can affect the color and texture of the granite.

存在alkali feldspar（碱长石）会影响花岗岩的颜色和纹理。

5.Geologists often use alkali feldspar (碱长石) to determine the crystallization conditions of granitic rocks.

地质学家常常利用alkali feldspar（碱长石）来确定花岗岩的结晶条件。

作文

The study of minerals is a fascinating field that reveals much about the Earth's composition and the processes that shape our planet. One important group of minerals that geologists often examine is the feldspar family, particularly the subgroup known as alkali feldspar. 碱性长石 refers to a series of tectosilicate minerals that are primarily composed of aluminum silicate combined with varying amounts of sodium, potassium, and calcium. These minerals play a crucial role in the formation of igneous rocks and are essential for understanding geological processes.Alkali feldspar can be found in various types of rocks, but it is most commonly associated with granitic and rhyolitic formations. The presence of alkali feldspar in these rocks indicates a history of high-temperature and high-pressure conditions during their formation. This mineral group includes several end-members, such as orthoclase, sanidine, and microcline, each having distinct properties and crystal structures. For instance, orthoclase is typically found in more slowly cooled rocks, while sanidine forms in rapidly cooled volcanic environments.In addition to their geological significance, alkali feldspar minerals also have practical applications. They are used in the manufacturing of glass and ceramics, where their ability to withstand high temperatures and provide a smooth finish is highly valued. The demand for high-quality feldspar in these industries has increased, leading to extensive mining operations in regions rich in this mineral.Furthermore, alkali feldspar serves as an important indicator of the thermal history of rocks. By analyzing the composition and structure of these minerals, geologists can infer the cooling rates and crystallization processes that occurred during the rock's formation. This information is essential for reconstructing geological histories and understanding the evolution of the Earth's crust.Moreover, the study of alkali feldspar extends beyond geology into the realm of petrology and mineralogy. Researchers utilize advanced techniques such as X-ray diffraction and electron microscopy to investigate the intricate details of these minerals' structures. Such studies not only enhance our comprehension of feldspar but also contribute to broader scientific knowledge regarding mineral formation and transformation.In conclusion, alkali feldspar is a vital component of the Earth's crust and plays an essential role in both geological processes and industrial applications. Its unique properties and widespread occurrence make it a subject of continuous research and interest within the scientific community. As we delve deeper into the properties and behaviors of this mineral group, we gain valuable insights into the complex workings of our planet. Understanding alkali feldspar is not merely an academic exercise; it is a key to unlocking the mysteries of Earth’s geological history and its ongoing transformations.

矿物研究是一个迷人的领域，它揭示了地球成分及塑造我们星球的过程。地质学家经常研究的一组重要矿物是长石家族，特别是被称为碱性长石的亚组。碱性长石指的是一系列主要由铝硅酸盐与不同量的钠、钾和钙结合而成的构造硅酸盐矿物。这些矿物在火成岩的形成中起着至关重要的作用，并且对于理解地质过程至关重要。碱性长石可以在各种类型的岩石中找到，但它最常与花岗岩和流纹岩形成相关联。这些岩石中存在碱性长石表明它们在形成过程中经历了高温和高压条件。这类矿物群包括多个端元，如正长石、闪长石和微斜长石，每种矿物具有独特的性质和晶体结构。例如，正长石通常出现在冷却较慢的岩石中，而闪长石则形成于快速冷却的火山环境中。除了地质意义外，碱性长石矿物也有实际应用。它们被用于玻璃和陶瓷的制造，其中其耐高温和提供光滑表面的能力受到高度重视。在这些行业中对高质量长石的需求不断增加，导致在富含这种矿物的地区开展了广泛的采矿作业。此外，碱性长石作为岩石热历史的重要指示剂。通过分析这些矿物的成分和结构，地质学家可以推断出岩石形成过程中发生的冷却速率和结晶过程。这些信息对于重建地质历史和理解地壳演化至关重要。此外，对碱性长石的研究不仅限于地质学，还扩展到岩石学和矿物学领域。研究人员利用先进技术，如X射线衍射和电子显微镜，来研究这些矿物结构的复杂细节。这类研究不仅增强了我们对长石的理解，也为更广泛的科学知识关于矿物形成和转化做出了贡献。总之，碱性长石是地壳的重要组成部分，在地质过程和工业应用中发挥着至关重要的作用。其独特的性质和广泛的分布使其成为科学界持续研究和关注的对象。当我们深入探讨这种矿物群的性质和行为时，我们获得了对地球复杂运作的宝贵见解。理解碱性长石不仅仅是学术上的练习；它是解锁地球地质历史及其持续变革之谜的钥匙。