picritic

简明释义

英[pɪˈkrɪtɪk]美[pɪˈkrɪtɪk]

苦橄质

英英释义

单词用法

同义词

反义词

例句

1.Its host rock is picritic volcanics, which is different from other volcanic rocks related to iron (copper) ore deposit.

其赋矿围岩为苦橄质火山岩，区别于与火山岩相关的各类铁(铜)矿。

2.Its host rock is picritic volcanics, which is different from other volcanic rocks related to iron (copper) ore deposit.

其赋矿围岩为苦橄质火山岩，区别于与火山岩相关的各类铁(铜)矿。

3.The presence of olivine in the picritic rock indicates it originated from a deep-source magma.

在picritic岩石中发现的橄榄石表明它源自深源岩浆。

4.The picritic lava flow was observed to have a unique texture that fascinated the researchers.

观察到的picritic熔岩流具有独特的纹理，令研究人员着迷。

5.The geologist found a sample of picritic rock in the volcanic region, which is known for its high magnesium content.

地质学家在火山区域发现了一块picritic岩石样本，这里以其高镁含量而闻名。

6.During the field trip, we collected several picritic samples to analyze their mineral composition.

在实地考察中，我们收集了几份picritic样本，以分析其矿物成分。

7.In the study of igneous rocks, picritic compositions can provide insights into the conditions of magma formation.

在火成岩的研究中，picritic成分可以提供关于岩浆形成条件的见解。

作文

In the study of geology, the term picritic refers to a specific type of volcanic rock that is characterized by its unique mineral composition. These rocks typically contain a significant amount of olivine and are formed from magma that has undergone a specific set of cooling and crystallization processes. Understanding picritic rocks is crucial for geologists, as they provide insights into the conditions under which they formed and the tectonic processes at play in a given region.The formation of picritic rocks often occurs in environments where there is a high degree of partial melting of the mantle, leading to the production of magma with a high magnesium content. This type of magma is less common than others but plays a vital role in the formation of certain types of volcanic islands and mountain ranges. For instance, the Hawaiian Islands are known for their basaltic compositions, but they also feature picritic rocks that reveal important information about the underlying mantle sources.One of the most fascinating aspects of picritic rocks is their ability to tell a story about the Earth's geological history. By studying the mineralogy and texture of these rocks, scientists can infer the temperature and pressure conditions present during their formation. This can lead to a better understanding of the processes that shaped the Earth's crust over millions of years. Moreover, picritic rocks can also indicate the presence of certain volcanic activity, such as explosive eruptions, which can have significant implications for the surrounding environment.In addition to their geological significance, picritic rocks also have applications in various industries. The unique properties of these rocks make them valuable for use in construction and as raw materials for various products. For example, the high magnesium content in picritic rocks can be harnessed for creating refractory materials that withstand high temperatures, making them essential for steel production and other industrial processes.Furthermore, the study of picritic rocks contributes to our understanding of the broader field of petrology, which examines the origin, composition, and structure of rocks. By classifying rocks based on their mineral content and formation processes, geologists can develop models that predict the behavior of magma and the potential for volcanic activity in different regions. This knowledge is particularly important for areas prone to volcanic eruptions, as it can help inform disaster preparedness and risk management strategies.In conclusion, picritic rocks are a fascinating subject within the realm of geology, offering valuable insights into the Earth's processes and history. Their unique mineral composition and formation conditions provide a window into the complex interactions between the mantle and crust. As research continues, the importance of picritic rocks will undoubtedly grow, revealing even more about our planet's dynamic nature and the forces that shape it. Understanding these rocks not only enriches our knowledge of geology but also enhances our ability to utilize these natural resources effectively and sustainably.

在地质学研究中，术语picritic指的是一种特定类型的火山岩，其特征在于独特的矿物成分。这些岩石通常含有大量的橄榄石，并且是由经历特定冷却和结晶过程的岩浆形成的。理解picritic岩石对地质学家至关重要，因为它们提供了有关形成条件和特定区域内构造过程的见解。picritic岩石的形成通常发生在部分熔融程度较高的地幔环境中，导致产生含镁量较高的岩浆。这种类型的岩浆比其他类型的岩浆更为少见，但在某些类型的火山岛和山脉的形成中起着重要作用。例如，夏威夷群岛以其玄武岩组成而闻名，但它们也具有picritic岩石，这些岩石揭示了关于底层地幔源的重要信息。picritic岩石最迷人的方面之一是它们能够讲述地球地质历史的故事。通过研究这些岩石的矿物学和纹理，科学家可以推断出形成时的温度和压力条件。这可以帮助更好地理解塑造地壳的过程，历经数百万年。此外，picritic岩石还可以指示某些火山活动的存在，例如爆炸性喷发，这对周围环境可能有重大影响。除了地质意义外，picritic岩石在各个行业中也有应用。这些岩石的独特性质使它们在建筑和作为各种产品的原材料方面具有价值。例如，picritic岩石中的高镁含量可以被利用于制造耐火材料，以承受高温，使其在钢铁生产和其他工业过程中至关重要。此外，对picritic岩石的研究有助于我们理解更广泛的岩石学领域，该领域研究岩石的起源、成分和结构。通过根据矿物成分和形成过程对岩石进行分类，地质学家可以开发出预测岩浆行为和不同区域火山活动潜力的模型。这一知识在易发生火山喷发的地区尤为重要，因为它可以帮助告知灾害预防和风险管理策略。总之，picritic岩石是地质学领域内一个迷人的主题，提供了对地球过程和历史的宝贵见解。它们独特的矿物成分和形成条件为我们提供了观察地幔与地壳之间复杂相互作用的窗口。随着研究的持续，picritic岩石的重要性无疑会增加，揭示出更多关于我们星球动态特性和塑造力量的信息。理解这些岩石不仅丰富了我们对地质学的知识，也增强了我们有效和可持续利用这些自然资源的能力。