syenite

简明释义

英[ˈsaɪəˌnaɪt]美[ˈsaɪəˌnaɪt]

n. [岩] 正长岩

英英释义

单词用法

同义词

反义词

例句

1.Fayalite-bearing quartz syenite could represent the early fractional stage initial granitic magma derived from archean protolith in a deeper and reductive environment.

含铁橄榄石石英正长岩，代表了岩浆分离结晶初期还原条件下，太古代母岩派生的初始岩浆组成。

2.The Yefushan rock mass is mainly composed of quartz syenite porphyry.

冶父山岩体主体岩性为石英正长斑岩。

3.This suggests that the different REE fluorites were products of the same source, and REE ore-forming fluids were related to carbonatite and syenite magmas.

这些表明不同稀土特征的萤石来自相同的源区，稀土成矿流体与碳酸岩和正长岩岩浆存在密切联系。

4.Using nepheline syenite as a substitute for feldspar, the batch mixtures were prepared on a composition of float glass and are melted into glasses.

以霞石正长岩取代长石，按照浮法玻璃的成份制备配合料并熔制玻璃。

5.In addition, mineral assemblage and gabbro similar to gabbro pegmatite; and nepheline syenite nepheline syenite rock similar pegmatite and so on.

此外，还有矿物组合与辉长岩相似的辉长伟晶岩；与霞石正长石相似的霞石正长伟晶岩等等。

6.Recently, 3 special xenoliths have been discovered in the aegirine syenite porphyry at Liuhe.

在六合霓辉正长斑岩中广泛发育的各类包体岩石中，新近发现了三类特殊包体。

7.By observing of the melt course and by analyzing the measurements of glass samples, the feasibility of nepheline syenite as raw materials for the green float glasses was discussed.

通过对熔化过程的观察和对玻璃样品有关性能测试结果的分析，讨论了霞石正长岩作为绿色浮法玻璃原料的可行性。

8.The inner, outside contact zone between Himalayan ultra-epizonal syenite porphyry, Indosinian volcanic rocks of liparite porphyry-dacite series and strata is very advantageous to the metallogenesis.

大面积喜马拉雅期超浅成正长斑岩、印支期流纹斑岩英安岩系列火山岩类与地层的内、外接触带对成矿十分有利。

9.The creep of basalt aggregate concrete is smaller than that of syenite aggregate concrete.

正长岩骨料的混凝土徐变大于玄武岩骨料的混凝土徐变。

10.The geological survey revealed that the area was rich in syenite 辉长岩, making it a prime location for mining.

地质调查显示该地区富含syenite 辉长岩，使其成为矿业的理想地点。

11.Architects often use syenite 辉长岩 for decorative stone in buildings due to its unique color and texture.

建筑师们常常使用syenite 辉长岩作为建筑中的装饰石材，因为它独特的颜色和质感。

12.The ancient Egyptians used syenite 辉长岩 to construct some of their most famous monuments.

古埃及人使用syenite 辉长岩建造他们一些最著名的纪念碑。

13.In petrology, syenite 辉长岩 is classified as an igneous rock with a high potassium content.

在岩石学中，syenite 辉长岩被归类为一种高钾含量的火成岩。

14.The quarry specializes in extracting syenite 辉长岩 for use in countertops and flooring.

这个采石场专门提取syenite 辉长岩用于台面和地板。

作文

Syenite is an interesting igneous rock that has a unique composition and formation process. It is primarily composed of alkali feldspar, which gives it a light color and a coarse-grained texture. Unlike granite, which contains quartz as a significant component, syenite (闪长岩) lacks quartz and is instead enriched in other minerals such as biotite, hornblende, and sometimes even nepheline. This distinctive mineralogy makes syenite (闪长岩) a fascinating subject of study for geologists and petrologists alike. The formation of syenite (闪长岩) occurs through the cooling and solidification of magma beneath the Earth's surface. The conditions under which syenite (闪长岩) forms are typically associated with tectonic activities, such as continental rifting or the intrusion of magma into the crust. These processes create environments rich in alkaline elements, which are essential for the development of syenite (闪长岩). Geologically, syenite (闪长岩) can be found in various locations around the world, often associated with volcanic activity or as a product of extensive geological processes. Some notable occurrences include regions in Norway, Sweden, and parts of the United States. The presence of syenite (闪长岩) in these areas often indicates a history of significant geological events that have shaped the landscape over millions of years. From a practical standpoint, syenite (闪长岩) is utilized in various applications due to its durability and aesthetic appeal. It is commonly used in construction, especially in decorative stonework, countertops, and flooring. Its unique colors and patterns can enhance the visual appeal of buildings and monuments, making it a popular choice among architects and designers. Moreover, the study of syenite (闪长岩) contributes to our understanding of the Earth’s crust and the processes that lead to the formation of different types of rocks. By analyzing the mineral content and texture of syenite (闪长岩), scientists can gain insights into the conditions under which it formed, including temperature, pressure, and the chemical environment of the magma. In summary, syenite (闪长岩) is not just a rock; it is a window into the geological history of our planet. Its unique characteristics and formation processes make it a significant subject of study in geology. As we continue to explore and understand this fascinating rock, we can appreciate the intricate and dynamic nature of the Earth’s crust and the forces that shape it. Whether in a geological context or in practical applications, syenite (闪长岩) holds an important place in both science and industry.