pelitic

简明释义

英[pəˈlɪtɪk]美[pəˈlɪtɪk]

adj. 泥质的

英英释义

单词用法

同义词

反义词

例句

1.In column experiment the salt release flux from different sediment can be expressed as a negative exponential function and decrease in the order of silty clay, medium-fine sand and pelitic silt.

静水实验中沉积物向上覆水体盐分释放通量符合负的幂指数形式，并按粉质粘土、中细砂、泥质粉砂顺序递减；

2.In column experiment the salt release flux from different sediment can be expressed as a negative exponential function and decrease in the order of silty clay, medium-fine sand and pelitic silt.

静水实验中沉积物向上覆水体盐分释放通量符合负的幂指数形式，并按粉质粘土、中细砂、泥质粉砂顺序递减；

3.Its main rocks is the metamorphic pelitic siltstone, the feldspathic quartz wacke, the fine sandial feldspathic quartz siltstone, the feldspathic wacke and the sericite quartz phyllite etc.

主要岩性有变泥质粉砂岩、长石石英杂砂岩、细砂质长石石英粉砂岩、长石杂砂岩、绢云石英千枚岩等。

4.Garnet pyroxenite occurs as lenses in granulite-facies metamorphic granitic gneiss and pelitic schist in the Namjagbarwa Group-complex of the eastern Himalayan tectonic syntaxis.

在东喜马拉雅构造结南迦巴瓦岩群中，石榴辉石岩呈透镜状产于麻粒岩相变质的长英质片麻岩和泥质片岩之中。

5.The pelitic mineralogy of the magnetite gneiss and presence of detrital zircon demonstrate that the protoliths were not a pure chemical sediment.

磁铁矿片麻岩的泥质矿物特征和碎屑锆石的存在表明，原岩不是一个纯化学沉积体。

6.A large amount of burrow fossils are found in pelitic siltstone in the middle Changzhougou Formation of the Mesoproterozoic in the Yanshan area.

在燕山地区中元古代常州沟组中发育有大量的潜穴化石，潜穴产于常州沟组中部的泥质粉砂岩中。

7.Carbonate-Siliceous-pelitic rock type uranium deposits constitute one of the major types of uranium deposits in China.

硅碳泥岩型铀矿床是我国铀矿床的主要类型之一。

8.Rectorite is discovered in the pelitic material of one of rock crystal deposit in the north-west of Chenxi county.

累托石发现于辰溪县西北部一个水晶矿床的泥质物中。

9.The ore has the pelitic and microscale pelitic texture and the micro-bedded, tabular and dense massive structure.

矿石结构主要为泥质结构和显微鳞片泥质结构，构造主要为微层状、板状和致密块状；

10.This paper gives the results of processing pelitic copper oxides using the segregation-flotation process.

本文叙述采用离析-浮选法处理泥质氧化铜的结果。

11.The geological survey revealed that the region was rich in pelitic 泥质的 rocks, indicating a history of sedimentary deposition.

地质调查显示，该地区富含pelitic 泥质的 岩石，表明有沉积沉积的历史。

12.In the lab, we analyzed a sample of pelitic 泥质的 clay to understand its composition and properties.

在实验室中，我们分析了一种pelitic 泥质的 粘土样本，以了解其成分和性质。

13.The pelitic 泥质的 sediments found in the lakebed suggest a high level of organic material in ancient times.

湖底发现的pelitic 泥质的 沉积物表明在古代有大量有机物质。

14.Researchers noted that the pelitic 泥质的 layers were crucial for understanding the area's paleoenvironments.

研究人员指出，pelitic 泥质的 层对于理解该地区的古环境至关重要。

15.During the excavation, we uncovered a series of pelitic 泥质的 deposits that dated back to the Jurassic period.

在挖掘过程中，我们发现了一系列追溯到侏罗纪时期的pelitic 泥质的 沉积物。

作文

In the study of geology, various terms are used to describe the composition and characteristics of different types of rocks and sediments. One such term is pelitic, which refers to a specific category of sedimentary rocks that are primarily composed of fine-grained particles, particularly clay minerals. Understanding what pelitic means is essential for geologists as it helps in classifying and interpreting sedimentary environments. Pelitic rocks are typically formed in low-energy environments where fine sediments can accumulate without being disturbed by strong currents or waves. This can often occur in settings such as deep ocean basins, lagoons, or quiet river deltas. The fine grain size of pelitic materials allows them to retain water and nutrients, making them crucial for various ecological processes. The significance of pelitic rocks extends beyond their formation; they also play a vital role in the rock cycle. Over time, these fine-grained sediments can undergo compaction and cementation, leading to the formation of shale, a common type of pelitic rock. Shale is not only important in understanding geological history but also serves as a source rock for hydrocarbons, which are essential for energy production. Therefore, the study of pelitic rocks is not just an academic exercise; it has practical implications for industries such as oil and gas exploration. Moreover, pelitic rocks can provide valuable insights into past environmental conditions. By analyzing the mineral composition and texture of pelitic sediments, scientists can infer information about ancient climates, sea levels, and even biological activity. For instance, the presence of certain clay minerals can indicate whether the sediment was deposited in a freshwater or marine environment. This understanding can help reconstruct paleoenvironments and contribute to our knowledge of Earth's history. In addition to their geological significance, pelitic rocks have aesthetic and practical uses. Some pelitic rocks, especially those that are finely textured, can be transformed into ceramics or bricks, showcasing their versatility. Artists and architects may also appreciate the unique colors and textures that pelitic materials can offer in their work. In conclusion, the term pelitic encompasses a variety of fine-grained sedimentary rocks that are crucial for both geological studies and practical applications. From their formation in low-energy environments to their role in the rock cycle and contributions to our understanding of Earth's history, pelitic rocks are a fascinating subject of study. As we continue to explore and understand these materials, we gain not only knowledge about the past but also tools for shaping a sustainable future. Thus, grasping the concept of pelitic is essential for anyone interested in geology, environmental science, or related fields.

在地质学研究中，使用各种术语来描述不同类型岩石和沉积物的成分和特征。其中一个术语是pelitic，它指的是一种特定类别的沉积岩，主要由细颗粒物质组成，特别是粘土矿物。理解pelitic的含义对地质学家至关重要，因为它有助于分类和解释沉积环境。Pelitic岩石通常形成于低能量环境中，在这种环境中，细沉积物可以在没有强水流或波浪扰动的情况下沉积。这种情况通常发生在深海盆地、泻湖或安静的河口等环境中。Pelitic材料的细颗粒大小使它们能够保持水分和养分，这使得它们对各种生态过程至关重要。 Pelitic岩石的重要性超越了它们的形成；它们在岩石循环中也扮演着重要角色。随着时间的推移，这些细颗粒沉积物会经历压实和胶结，导致页岩的形成，这是常见的pelitic岩石类型。页岩不仅在理解地质历史方面重要，而且还作为碳氢化合物的源岩，这对于能源生产至关重要。因此，研究pelitic岩石不仅仅是学术上的练习；它对石油和天然气勘探等行业具有实际意义。 此外，pelitic岩石可以提供有关过去环境条件的宝贵见解。通过分析pelitic沉积物的矿物成分和纹理，科学家可以推断出关于古代气候、海平面甚至生物活动的信息。例如，某些粘土矿物的存在可以表明沉积物是在淡水或海洋环境中沉积的。这种理解可以帮助重建古环境，并为我们对地球历史的认识做出贡献。 除了地质重要性之外，pelitic岩石还有美学和实用用途。一些pelitic岩石，尤其是那些纹理细腻的，可以转化为陶瓷或砖块，展示它们的多功能性。艺术家和建筑师也可能欣赏pelitic材料在其作品中所提供的独特颜色和纹理。 总之，pelitic一词包含了一系列细颗粒沉积岩，这些岩石对地质研究和实际应用至关重要。从它们在低能量环境中的形成到它们在岩石循环中的作用，以及对我们理解地球历史的贡献，pelitic岩石都是一个引人入胜的研究主题。随着我们继续探索和理解这些材料，我们不仅获得了对过去的知识，还获得了塑造可持续未来的工具。因此，掌握pelitic的概念对任何对地质学、环境科学或相关领域感兴趣的人来说都是必不可少的。