syenitic

简明释义

英[saɪˈɛnɪtɪk]美[saɪˈɛnɪtɪk]

adj. 如黑花岗石般的，黑花岗石的

英英释义

单词用法

同义词

反义词

例句

1.The Fanshan phosphorus-rich magma experienced unmixing and hence produced three sorts of immiscible liquids:pyroxenitic magma, syenitic magma and phosphate melt.

梵山富含磷的岩浆经历了解体，因此产生了三种不混溶的液体：高岭土岩浆，叠合岩浆和磷酸盐熔体。

2.The Fanshan phosphorus-rich magma experienced unmixing and hence produced three sorts of immiscible liquids:pyroxenitic magma, syenitic magma and phosphate melt.

梵山富含磷的岩浆经历了解体，因此产生了三种不混溶的液体：高岭土岩浆，叠合岩浆和磷酸盐熔体。

3.The syenitic mineralogy included feldspar and quartz, which contributed to the rock's overall texture.

这种辉长岩的矿物组成包括长石和石英，这些矿物共同影响了岩石的整体纹理。

4.The geological survey revealed that the area is primarily composed of syenitic rocks, which are known for their high potassium content.

地质调查显示该地区主要由辉长岩组成，这些岩石以其高钾含量而闻名。

5.Researchers found that the syenitic intrusions in the region were formed during the late Paleozoic era.

研究人员发现该地区的辉长岩侵入体是在晚古生代时期形成的。

6.The syenitic composition of the granite led to its unique color and durability, making it a popular choice for countertops.

这种花岗岩的辉长岩成分使其具有独特的颜色和耐用性，因此成为台面的热门选择。

7.In petrology, syenitic textures can indicate a history of significant crystallization.

在岩石学中，辉长岩的纹理可以表明显著结晶的历史。

作文

The study of geology provides us with a fascinating insight into the Earth's structure and the processes that shape it. One interesting aspect of igneous rocks is their classification based on mineral composition and texture. Among these classifications, we find the term syenitic, which refers to a specific type of intrusive igneous rock that is rich in alkali feldspar and lacks quartz. Understanding syenitic rocks is essential for geologists as they can reveal significant information about the geological history of a region.Syenitic rocks typically form from the slow crystallization of magma beneath the Earth's surface. This slow cooling allows larger crystals to develop, which is a characteristic feature of syenitic rocks. The primary minerals found in syenitic rocks include feldspar, biotite, and hornblende, among others. The absence of quartz distinguishes syenitic rocks from other similar igneous rocks, such as granite, which contains a substantial amount of quartz. Geologists often study syenitic formations to understand the tectonic settings in which they were formed. For instance, syenites can be associated with continental rift zones or volcanic arcs, providing clues about the tectonic activity in those regions. In some cases, syenitic rocks can also indicate the presence of ancient volcanic activity, which may have contributed to the development of the landscape we see today.In addition to their geological significance, syenitic rocks have practical applications. Due to their durability and aesthetic appeal, syenitic stones are sometimes used in construction and decorative stonework. Their unique colors and textures make them desirable for countertops, flooring, and monuments. Thus, understanding the properties of syenitic rocks not only enriches our geological knowledge but also has implications for industries that utilize these materials.Furthermore, the study of syenitic rocks contributes to our broader understanding of the Earth’s evolution. By examining the mineral composition and formation processes of these rocks, scientists can infer the conditions present during their formation. For example, the presence of certain minerals can indicate specific temperatures and pressures, shedding light on the geological history of an area.In conclusion, the term syenitic encompasses more than just a classification of rocks; it opens a window into the dynamic processes that shape our planet. From their formation deep within the Earth to their applications in modern society, syenitic rocks are a testament to the intricate interplay of geological forces. As we continue to explore and study these fascinating materials, we gain valuable insights into both the Earth's past and its future.

地质学的研究为我们提供了对地球结构及其塑造过程的迷人洞察。火成岩分类的一个有趣方面是根据矿物成分和纹理进行分类。在这些分类中，我们发现了术语syenitic，它指的是一种富含碱长石且缺乏石英的特定类型的侵入性火成岩。理解syenitic岩石对于地质学家至关重要，因为它们可以揭示一个地区地质历史的重要信息。syenitic岩石通常是在地球表面下的岩浆缓慢结晶形成的。这种缓慢冷却允许较大的晶体发展，这是syenitic岩石的一个特征。syenitic岩石中主要的矿物包括长石、黑云母和角闪石等。缺乏石英使得syenitic岩石与其他类似的火成岩（如花岗岩）区别开来，后者含有相当数量的石英。地质学家经常研究syenitic地层，以理解它们形成的构造环境。例如，辉长岩可以与大陆裂谷或火山弧相关联，为那些地区的构造活动提供线索。在某些情况下，syenitic岩石还可以表明古代火山活动的存在，这可能对我们今天看到的景观的发展产生了影响。除了它们的地质意义外，syenitic岩石还有实际应用。由于其耐用性和美学吸引力，辉长岩石有时用于建筑和装饰石材。它们独特的颜色和纹理使其在台面、地板和纪念碑中受到青睐。因此，理解syenitic岩石的特性不仅丰富了我们的地质知识，还有助于利用这些材料的行业。此外，syenitic岩石的研究有助于我们更广泛地理解地球的演化。通过检查这些岩石的矿物组成和形成过程，科学家可以推断出形成时的条件。例如，某些矿物的存在可以指示特定的温度和压力，从而揭示一个地区的地质历史。总之，术语syenitic不仅仅涵盖了岩石的分类；它为我们打开了一个窗口，让我们得以了解塑造我们星球的动态过程。从它们在地球深处的形成到它们在现代社会中的应用，syenitic岩石是地质力量复杂相互作用的见证。随着我们继续探索和研究这些迷人的材料，我们获得了对地球过去和未来的宝贵洞察。