eclogite

简明释义

英[ˈekləˌdʒaɪt]美[ˈekləˌdʒaɪt]

n. [岩] 榴辉岩

英英释义

单词用法

同义词

反义词

例句

1.Eclogite-type titanium mineralization is one of important source of titanium.

榴辉岩型钛矿床是重要的钛矿床类型之一。

2.The evidences indicate that the magmas are formed by melting of pyrolite and eclogite (ancient basaltic oceanic crust) in the axial zone of mantle plume.

这说明它们是在地幔柱轴部，由地幔岩和榴辉岩(古玄武质洋壳)组成的源区产生的岩浆形成的。

3.As a result, the eclogite was transformed to epidote-bearing amphibolite.

榴辉岩转化成含帘石的斜长角闪岩。

4.The characteristics of three metamorphic stages are as follows: before the eclogite-facies stage which is middle-pressure epidote amphibolite facies;

三个变质作用阶段的特征是：前榴辉相阶段为中压相系绿帘角闪岩相；

5.The Donghai eclogite type rutile deposit is a new type of ore deposit recently discovered in China.

榴辉岩型金红石矿是我国近两年新发现的一种矿床类型。

6.The carbon concentration and isotope composition of ultrahigh pressure eclogite and apatite from the Dabie-Sulu orogen were analyzed by the EA-MS online technique.

应用EA - MS连线技术，对大别山东部和苏鲁地体南部超高压变质榴辉岩及其中的磷灰石进行了碳的含量和同位素分析。

7.The eclogite remains well its original characteristics, which has only suffered slight retrogressive metamorphism.

榴辉岩原始特征保存完好，仅遭受轻微的退变质作用和叠加变质作用。

8.Some of them have undergone very intense deformation in the post-eclogite stage, while others not.

这种榴辉岩有些经历过很强的后榴辉岩阶段变形作用，有些则没有。

9.Both the eclogite and the felsic gneiss have not undergone the same high-pressure metamorphic event.

榴辉岩的主体围岩是长英质片麻岩，它与榴辉岩不是相同高压变质作用的产物。

10.Geologists often study eclogite to understand the processes that occur deep within the Earth's mantle.

地质学家经常研究榴辉岩以了解地球深处发生的过程。

11.The presence of eclogite in mountain ranges can indicate significant tectonic activity.

山脉中存在榴辉岩可能表明显著的构造活动。

12.Samples of eclogite were collected during the geological survey for analysis.

在地质调查中收集了榴辉岩样本以进行分析。

13.Researchers found that eclogite can form under high-pressure conditions, which is crucial for understanding metamorphic processes.

研究人员发现榴辉岩可以在高压条件下形成，这对于理解变质过程至关重要。

14.The mineral composition of eclogite typically includes garnet and omphacite.

在榴辉岩中，矿物成分通常包括石榴石和绿辉石。

作文

Eclogite is a fascinating metamorphic rock that provides significant insights into the processes occurring deep within the Earth's crust. Formed under high pressure and temperature conditions, eclogite (辉绿岩) primarily consists of two minerals: garnet and clinopyroxene. These minerals are indicative of the extreme environments where eclogite forms, typically at depths of around 30 to 60 kilometers beneath the Earth's surface. The study of eclogite is crucial for understanding tectonic processes and the composition of the Earth's mantle. One of the most interesting aspects of eclogite is its role in plate tectonics. As tectonic plates collide, one plate may be forced beneath another in a process known as subduction. This results in the formation of eclogite as oceanic crust is subjected to extreme pressures and temperatures. The presence of eclogite in mountain belts, such as the Alps and the Himalayas, serves as evidence of these ancient subduction zones. Geologists study these rocks to reconstruct the history of plate movements and understand the dynamics of the Earth's interior. Moreover, eclogite is not just important for geological studies; it also has implications for our understanding of the Earth's evolution. The mineral composition of eclogite can provide clues about the conditions present during its formation. For instance, the presence of specific trace elements in garnet can indicate the temperature and pressure conditions under which the rock formed. This data helps scientists piece together the thermal history of the region and the processes that have shaped our planet over millions of years. Additionally, the unique properties of eclogite make it a subject of interest in various fields, including petrology and geochemistry. Researchers analyze samples of eclogite to investigate the chemical reactions that occur during metamorphism. These studies contribute to our understanding of how rocks change under different environmental conditions, shedding light on the broader processes that govern the Earth's geology. In conclusion, eclogite is more than just an intriguing rock type; it is a key player in the story of our planet's geological history. Its formation under extreme conditions offers valuable information about the Earth's crust and mantle, while its presence in various geological settings provides insight into tectonic processes. As scientists continue to study eclogite, we gain a deeper appreciation for the complexities of our planet and the dynamic forces that shape it. Understanding eclogite not only enhances our knowledge of geology but also connects us to the vast history of the Earth itself.

辉绿岩是一种迷人的变质岩，提供了关于地球深处发生的过程的重要见解。辉绿岩在高压和高温条件下形成，主要由两种矿物组成：石榴石和斜方辉石。这些矿物表明了辉绿岩形成时所处的极端环境，通常位于地球表面下大约30到60公里的深度。研究辉绿岩对于理解构造过程和地球地幔的成分至关重要。 辉绿岩最有趣的方面之一是它在板块构造中的作用。当构造板块碰撞时，一个板块可能会被迫位于另一个板块之下，这一过程称为俯冲。这导致辉绿岩的形成，因为海洋地壳在极端的压力和温度下受到影响。辉绿岩在阿尔卑斯山脉和喜马拉雅山脉等山脉中的存在，作为这些古老俯冲带的证据。地质学家研究这些岩石，以重建板块运动的历史并理解地球内部的动力学。 此外，辉绿岩不仅对地质研究重要；它还对我们理解地球演化有重要意义。辉绿岩的矿物成分可以提供有关其形成条件的线索。例如，石榴石中某些微量元素的存在可以指示岩石形成时的温度和压力条件。这些数据帮助科学家拼凑出该地区的热历史以及塑造我们星球的过程。 此外，辉绿岩的独特性质使其成为岩石学和地球化学等多个领域的研究对象。研究人员分析辉绿岩样本，以调查变质过程中发生的化学反应。这些研究有助于我们理解岩石在不同环境条件下如何变化，揭示了支配地球地质的更广泛过程。 总之，辉绿岩不仅仅是一种引人入胜的岩石类型；它是我们星球地质历史故事中的关键角色。它在极端条件下的形成提供了关于地球地壳和地幔的重要信息，而它在各种地质环境中的存在则提供了对构造过程的洞察。随着科学家们继续研究辉绿岩，我们对地球复杂性的理解也在加深，连接着我们与地球浩瀚历史的纽带。理解辉绿岩不仅增强了我们对地质学的知识，也让我们更好地理解塑造地球的动态力量。