plagioclase

简明释义

英[ˈpleɪdʒɪəʊˌkleɪz]美[ˈpledʒɪəklez]

n. 斜长石

英英释义

单词用法

同义词

反义词

例句

1.Symbiosis with acidic potassium feldspar, plagioclase, biotite.

与钾长石、酸性斜长石、黑云母共生。

2.A variety of plagioclase feldspar found in igneous rocks and characterized by brilliant colors in some specimens.

一种斜长岩长石的变体，发现于火成岩中，某些样本中含有丰富绚烂的颜色。

3.The study on formation cause of plagioclase is closely related to formation cause of geological structure .

对斜岩成因的研究与人们对大地构造成因的认识密切相关。

4.On the basis of the crystal size distribution (CSD) theory, the growth rates, nucleation density and nucleation rates of plagioclase have been worked out.

再根据晶体大小分布理论（CSD），计算出斜长石的晶体生长速率、成核密度及成核速率等岩浆结晶动力学参数；

5.Polysynthetic twinning is an important sign of plagioclase identification.

聚片双晶是斜长石的重要鉴定标志。

6.The main minerals are plagioclase, zoisite, hornblende , and the minor minerals were mica, sphene, prehnite, tourmaline and so on.

主要组成矿物有斜长石、黝帘石、角闪石、另有云母类矿物、榍石、葡萄石、方解石、电气石等次要矿物；

7.In the study of volcanic rocks, plagioclase is crucial for understanding magma evolution.

在火山岩的研究中，斜长石对于理解岩浆演化至关重要。

8.The plagioclase crystals were found to be larger than those typically seen in the region.

发现的斜长石晶体比该地区通常见到的要大。

9.The presence of plagioclase can indicate the cooling rate of the magma from which the rock formed.

存在斜长石可以指示出岩石形成时岩浆的冷却速度。

10.Geologists often identify plagioclase in igneous rocks to determine their formation history.

地质学家经常在火成岩中识别斜长石以确定它们的形成历史。

11.The rock sample contained a significant amount of plagioclase, which is a common feldspar mineral.

这个岩石样本中含有大量的斜长石，这是一种常见的长石矿物。

作文

In the realm of geology, understanding the various minerals that make up the Earth's crust is crucial for comprehending its formation and evolution. One such mineral that plays a significant role in this context is plagioclase, which is a series of tectosilicate (framework silicate) minerals within the feldspar group. Plagioclase (斜长石) is characterized by its distinct properties and its presence in many igneous and metamorphic rocks. This mineral is primarily composed of sodium and calcium aluminum silicates, and its composition can vary significantly, leading to different varieties such as albite and anorthite.The significance of plagioclase extends beyond its chemical composition; it is also pivotal in understanding the geological processes that shape our planet. For instance, plagioclase is commonly found in basalt and granite, two of the most prevalent types of igneous rocks. The presence of plagioclase in these rocks can provide valuable insights into the conditions under which they formed. In particular, the crystallization of plagioclase occurs at high temperatures, making it a key indicator of the cooling history of magma.Moreover, plagioclase exhibits a unique twinning pattern that can be observed under a microscope, allowing geologists to identify it easily in rock samples. This feature is particularly useful when studying thin sections of rocks in petrology. The optical properties of plagioclase can also reveal information about the temperature and pressure conditions during its formation, which is essential for reconstructing the geological history of an area.In addition to its geological importance, plagioclase also has practical applications in various industries. For example, it is used in the production of ceramics and glass due to its ability to withstand high temperatures. Its presence in certain types of clay can enhance the durability and strength of ceramic products. Furthermore, plagioclase is often utilized in the manufacturing of porcelain and other fine china, where its properties contribute to the final product's quality.As we delve deeper into the study of plagioclase, we begin to appreciate its role not just as a mineral, but as a crucial component in the intricate tapestry of Earth’s geology. Understanding plagioclase helps us to unlock the secrets of volcanic activity, the formation of mountain ranges, and even the processes that lead to the creation of sedimentary rocks. Through the lens of plagioclase, we can better understand the dynamic nature of our planet and the forces that have shaped it over millions of years.In conclusion, plagioclase is more than just a mineral; it is a key player in the ongoing story of Earth’s geological evolution. Its presence in various rock types, its unique properties, and its practical applications make it a subject worthy of study. As we continue to explore the complexities of our planet, plagioclase will undoubtedly remain a focal point in the field of geology, offering insights that are essential for both academic research and practical applications in industry.

在地质学领域，理解构成地壳的各种矿物对于理解其形成和演变至关重要。其中一个在这个背景下起着重要作用的矿物是plagioclase（斜长石），它是长石族中的一系列构造硅酸盐（框架硅酸盐）矿物。Plagioclase的特征在于其独特的性质以及它在许多火成岩和变质岩中的存在。该矿物主要由钠和钙铝硅酸盐组成，其成分可以显著变化，导致不同的品种，如长石和斜长石。Plagioclase的重要性不仅仅在于其化学成分；它在理解塑造我们星球的地质过程方面也是关键。例如，plagioclase通常存在于玄武岩和花岗岩中，这两种是最常见的火成岩类型。Plagioclase在这些岩石中的存在可以提供有关它们形成条件的宝贵见解。特别是，plagioclase的结晶发生在高温下，使其成为熔岩冷却历史的关键指标。此外，plagioclase表现出独特的孪生模式，可以在显微镜下观察到，从而使地质学家能够轻松识别岩石样本中的它。这一特征在岩石学中研究薄片岩石时尤其有用。Plagioclase的光学特性也能揭示其形成过程中的温度和压力条件，这对于重建某个地区的地质历史至关重要。除了其地质重要性外，plagioclase在各个行业中也具有实际应用。例如，由于其耐高温的能力，它被用于陶瓷和玻璃的生产。它在某些类型的粘土中的存在可以增强陶瓷产品的耐久性和强度。此外，plagioclase常用于制造瓷器和其他精美的瓷器，其特性有助于最终产品的质量。随着我们深入研究plagioclase，我们开始欣赏它不仅作为矿物，而是作为地球地质复杂织锦中的关键组成部分。理解plagioclase有助于我们揭示火山活动、山脉形成，甚至导致沉积岩形成的过程。通过plagioclase的视角，我们可以更好地理解我们星球的动态本质及其数百万年来塑造它的力量。总之，plagioclase不仅仅是一种矿物；它是地球地质演变持续故事中的关键角色。它在各种岩石类型中的存在、其独特的属性以及其实际应用使其成为值得研究的课题。随着我们继续探索我们星球的复杂性，plagioclase无疑将继续在地质学领域中占据焦点，提供对学术研究和工业实践应用至关重要的见解。