ophiolite

简明释义

英[ˈɒfiəlaɪt]美[ˈofɪəlaɪt]

n. [岩] 蛇绿岩，[矿物] 蛇纹石

英英释义

单词用法

同义词

反义词

例句

1.This paper reported the result of trace dement composition and distribution at micro area of melt from mantle metasomatism of peridotite in the Shuanggou ophiolite.

用质子探针技术对双沟地幔交代熔融物的微区微量元素进行了测定。

2.The metaperidotite in ophiolite suit is characterized by lower REE content and the "U" type of variation or deletion of LREE.

蛇绿岩套中的变质橄榄岩REE含量较低，以“U”型或轻稀土亏损型为特点。

3.This paper discusses the feature of geology, lithogeochemical of this ophiolitic belt, so the ophiolite is produced from near the back-arc basin spreading ridge.

通过对该蛇绿岩带地质及岩石地球化学特征等进行了论述，认为其形成于近弧的弧后盆地扩张脊环境。

4.The pyrite type Cu-Au-deposit is located in the ophiolite suite of the Precambrian Bikou Group.

碧口群黄铁矿型铜金矿床产于前震旦纪古蛇绿岩套中。矿体受一定层位控制，分段集中，成群分布；

5.The Ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical Ophiolite suite.

摘要该蛇绿岩带的岩体由地幔橄榄岩组成，主要岩石类型是方辉橄榄岩和纯橄榄岩，缺少典型蛇绿岩剖面中的洋壳单元。

6.Geochemistry of the Chaokeshan ophiolite: Product of intra-oceanic back-arc basin?

内蒙朝克山蛇绿岩地球化学：洋内弧后盆地的产物？

7.The definition of Kaimeng ophiolite shows that Jiali fault may be an important suture in Gangdese tectonic belt during T_3 -J_1.

凯蒙蛇绿岩的确定表明嘉黎断裂在早期（T_3-J_1）可能是冈底斯构造带上的一条重要缝合带。

8.Geologists often study ophiolite 蛇绿岩 sequences to understand the processes of oceanic crust formation.

地质学家经常研究蛇绿岩 蛇绿岩序列，以了解海洋地壳形成的过程。

9.In the field of petrology, ophiolite 蛇绿岩 provides valuable insights into the composition of the Earth's mantle.

在岩石学领域，蛇绿岩 蛇绿岩为地球地幔的成分提供了宝贵的见解。

10.The discovery of an ophiolite 蛇绿岩 complex can indicate past tectonic activity in a region.

发现一个蛇绿岩 蛇绿岩复合体可能表明该地区过去的构造活动。

11.Researchers are analyzing the mineralogy of the ophiolite 蛇绿岩 to assess its economic potential for mining.

研究人员正在分析蛇绿岩 蛇绿岩的矿物学，以评估其采矿的经济潜力。

12.The ophiolite 蛇绿岩 exposure in this area is one of the best-preserved examples worldwide.

该地区的蛇绿岩 蛇绿岩暴露是全球保存最完好的例子之一。

作文

The study of geology is a fascinating journey through the Earth's history, revealing the intricate processes that shape our planet. One of the most intriguing topics within this field is the concept of ophiolite, which refers to a section of the Earth's crust that has been uplifted and exposed above sea level, consisting primarily of mafic and ultramafic rocks. These geological formations provide invaluable insights into the processes of plate tectonics and the formation of oceanic crust. Understanding ophiolite can help us grasp the complexities of Earth's geology and the dynamic nature of its surface. Ophiolites are typically found in mountainous regions, where tectonic forces have pushed them upward from their original positions beneath the ocean. The classic example of an ophiolite is the Semail Ophiolite in Oman, which is one of the best-preserved and most studied ophiolite complexes in the world. This formation is composed of various rock types, including peridotite, gabbro, and basalt, each representing different stages of the oceanic crust's evolution. The presence of these rocks allows geologists to reconstruct the history of oceanic crust formation and the interactions between tectonic plates. The significance of ophiolite extends beyond mere rock composition; it also serves as a window into the past. By examining the mineralogy and geochemistry of ophiolitic rocks, scientists can infer the conditions under which they formed. For instance, the study of isotopic ratios can reveal information about the sources of the magma that created these rocks and the tectonic settings in which they developed. This knowledge is crucial for understanding not only the history of the Earth but also the processes that govern plate tectonics today. Moreover, ophiolite complexes often contain important resources, such as chromium and nickel, which are extracted for industrial use. The mining of these resources raises questions about environmental impact and sustainability, highlighting the need for responsible resource management. As we continue to explore and exploit these geological wonders, it is essential to balance economic interests with ecological preservation. In conclusion, the term ophiolite encapsulates a rich tapestry of geological history and scientific inquiry. By studying these unique formations, we gain a deeper understanding of the Earth's crust, the processes that shape it, and the resources it provides. As we advance our knowledge in geology, ophiolites will undoubtedly continue to be a focal point for research, offering clues about our planet's past and guiding us toward a more sustainable future.

地质学的研究是一段迷人的旅程，揭示了塑造我们星球的复杂过程。在这个领域中，一个最引人入胜的话题是蛇绿岩的概念，它指的是一部分地壳已被抬升并暴露在海平面之上，主要由镁铁矿和超镁铁矿岩石组成。这些地质构造为了解板块构造和海洋地壳的形成提供了宝贵的见解。理解蛇绿岩可以帮助我们掌握地球地质的复杂性及其表面的动态特性。 蛇绿岩通常位于山区，在那里，构造力量将它们从原始位置推向海洋之下。蛇绿岩的经典例子是阿曼的Semail蛇绿岩，它是世界上保存最完好和研究最多的蛇绿岩复合体之一。该构造由多种岩石类型组成，包括橄榄岩、辉长岩和玄武岩，每种岩石代表了海洋地壳演化的不同阶段。这些岩石的存在使地质学家能够重建海洋地壳形成的历史以及构造板块之间的相互作用。 蛇绿岩的重要性不仅仅在于岩石的组成；它还作为通往过去的一扇窗户。通过检查蛇绿岩的矿物学和地球化学，科学家可以推断出它们形成时的条件。例如，对同位素比率的研究可以揭示出这些岩石所形成的岩浆来源和它们发展的构造环境。这些知识对于理解地球的历史以及今天控制板块构造的过程至关重要。 此外，蛇绿岩复合体通常包含重要的资源，如铬和镍，这些资源被提取用于工业用途。这些资源的开采引发了有关环境影响和可持续性的问题，突显了负责任资源管理的必要性。随着我们继续探索和开发这些地质奇观，必须在经济利益与生态保护之间找到平衡。 总之，术语蛇绿岩概括了一幅丰富的地质历史和科学探究的画卷。通过研究这些独特的构造，我们对地壳、塑造地壳的过程以及它提供的资源有了更深入的理解。随着我们在地质学领域知识的进步，蛇绿岩无疑将继续成为研究的焦点，为我们提供关于地球过去的线索，并引导我们走向更可持续的未来。