clastic

简明释义

英[ˌklæstɪk]美[ˈklæstɪk]

adj. 碎片性的；碎屑状的；（模型等）可分解的

英英释义

单词用法

同义词

反义词

例句

1.In clastic sediments, particle size is an important factor.

在碎屑沉积物中，颗粒大小是个重要因素。

2.Volcanic rocks compose with clastic rocks together, form sedimentary-eruption rhythm or cycle.

火山岩与碎屑岩共生，构成沉积—喷发韵律或沉积—喷发旋回。

3.Of the ore types in the Dongshengmiao polymetallic sulfide deposit, the clastic type is an important one of them.

碎屑型矿石是东升庙多金属硫铁矿床的主要矿石类型之一。

4.A Palaeozoic low - grade metamorphosed sedimentary clastic sequence occurs in Vinson Massif , Antarctica.

文森峰的地层为一套古生代浅变质沉积碎屑岩系。

5.There is a close relation between the terrigenous clastic rock and the plate tectonics.

陆源碎屑岩特征与板块构造性质有着密切关系。

6.Carbonate formation is characterized by higher resistivity and bigger difference of Dual and Shallow lateral logging compared with clastic formation.

与砂泥岩地层相比，碳酸盐岩地层常以高电阻率、深浅双侧向大幅度差异为特征。

7.The deposit is located in clastic-carbonate sedimentary formation of neritic facies, the Middle Devonian Xihanshui Group Anjiacha Formation.

矿床产于中泥盆统西汉水群安家岔组浅海相碎屑-碳酸盐沉积建造中。

8.Alkali mafic subvolcanic body occurring in Bijiashan-Tongdongwan consists of clastic rock and lava.

笔-铜碱性镁铁质火山岩体由碎屑岩和熔岩组成。

9.Almost every soil test code demands soaking treatment for fine clastic soil before grain -size analysis.

几乎所有的士工试验规范均要求细碎屑土在颗粒分析前进行浸泡处理。

10.The sedimentary rock is primarily composed of clastic 碎屑的 materials that have been eroded from other rocks.

这种沉积岩主要由<被包裹的>碎屑的<被包裹的>物质组成，这些物质是从其他岩石中侵蚀而来的。

11.Geologists often study clastic 碎屑的 sediments to understand past environmental conditions.

地质学家经常研究<被包裹的>碎屑的<被包裹的>沉积物，以了解过去的环境条件。

12.The formation of clastic 碎屑的 rocks can provide insights into the geological history of an area.

<被包裹的>碎屑的<被包裹的>岩石的形成可以提供该地区地质历史的见解。

13.In the context of sedimentology, clastic 碎屑的 materials are classified based on their size and composition.

在沉积学的背景下，<被包裹的>碎屑的<被包裹的>材料根据其大小和成分进行分类。

14.The presence of clastic 碎屑的 debris in a riverbed indicates a high-energy environment.

河床中存在<被包裹的>碎屑的<被包裹的>碎片表明这是一个高能环境。

作文

In the study of geology, one often encounters various types of rocks and sediments that tell the story of our planet's history. Among these, a particular category known as clastic rocks plays a significant role in understanding sedimentary processes. Clastic rocks are formed from the accumulation and lithification of fragments of pre-existing rocks or minerals. These fragments, or clasts, can vary in size from tiny silt particles to large boulders, showcasing the diverse nature of geological materials. The term clastic itself is derived from the Greek word 'klastos', meaning 'broken'. This etymology reflects the fundamental characteristic of these rocks, which are essentially composed of broken pieces of other rocks. The formation of clastic rocks typically occurs through a series of processes including weathering, erosion, transportation, deposition, and lithification. Weathering breaks down existing rocks into smaller particles, while erosion transports these particles to new locations. Once deposited, the particles undergo lithification, a process where they are compacted and cemented together, forming solid rock. This cycle of formation not only highlights the dynamic nature of Earth's surface but also provides insights into past environments and climatic conditions. One of the most common examples of clastic rocks is sandstone. Sandstone is primarily composed of sand-sized particles that have been cemented together over time. It often forms in environments such as riverbeds, deserts, and beaches, where sand is abundant. Another example is shale, which consists of fine-grained particles and often forms in calmer water environments like lakes or deep ocean floors. The study of clastic rocks is crucial for geologists as it helps them interpret the depositional environments and the geological history of an area. Additionally, clastic rocks are significant in the field of natural resources. Many reservoirs of oil and gas are found within clastic formations, making them vital for energy exploration and extraction. Understanding the properties and distribution of these rocks can lead to successful resource management and environmental conservation efforts. Moreover, the concept of clastic extends beyond geology into other fields such as engineering and construction. For instance, clastic materials are often used in the production of concrete, where gravel and sand serve as aggregates. This practical application underscores the importance of clastic components in everyday life and industrial processes. In conclusion, the term clastic encapsulates a fundamental aspect of geology, representing rocks formed from the fragments of other rocks. Through understanding the processes involved in their formation, we gain valuable insights into Earth's history, resource management, and even construction practices. The study of clastic rocks not only enriches our knowledge of the natural world but also emphasizes the interconnectedness of various scientific disciplines. As we continue to explore and understand our planet, the significance of clastic materials will undoubtedly remain a key focus in both academic research and practical applications.

在地质学的研究中，人们经常会遇到各种类型的岩石和沉积物，这些岩石和沉积物讲述了我们星球历史的故事。在这些岩石中，一个特别的类别被称为clastic岩石，在理解沉积过程方面发挥着重要作用。Clastic岩石是由已有岩石或矿物碎片的积累和成岩形成的。这些碎片或称为克拉斯特，可以从微小的粉砂颗粒到大型卵石，展示了地质材料的多样性。Clastic这个术语本身源于希腊词“klastos”，意为“破碎”。这个词源反映了这些岩石的基本特征，即本质上由其他岩石的破碎部分组成。 Clastic岩石的形成通常通过一系列过程，包括风化、侵蚀、运输、沉积和成岩。风化将现有岩石分解成较小的颗粒，而侵蚀则将这些颗粒运输到新的位置。一旦沉积，颗粒经历成岩过程，这是一个被压实和胶结在一起形成固体岩石的过程。这种形成循环不仅突显了地球表面的动态特性，还提供了对过去环境和气候条件的见解。 最常见的clastic岩石之一是砂岩。砂岩主要由沙粒组成，这些沙粒经过时间的胶结而形成。它通常在河床、沙漠和海滩等沙子丰富的环境中形成。另一个例子是页岩，它由细颗粒组成，通常在湖泊或深海底等较平静的水域中形成。对clastic岩石的研究对地质学家至关重要，因为它帮助他们解释一个地区的沉积环境和地质历史。 此外，clastic岩石在自然资源领域也很重要。许多石油和天然气储层位于clastic地层中，使其对能源勘探和开采至关重要。了解这些岩石的特性和分布可以导致成功的资源管理和环境保护工作。 此外，clastic的概念超越了地质学，延伸到工程和建筑等其他领域。例如，clastic材料通常用于混凝土的生产，其中砾石和沙子作为骨料。这种实际应用凸显了clastic成分在日常生活和工业过程中的重要性。 总之，clastic这个术语概括了地质学的一个基本方面，代表了由其他岩石碎片形成的岩石。通过理解其形成过程中涉及的过程，我们获得了对地球历史、资源管理甚至建筑实践的宝贵见解。对clastic岩石的研究不仅丰富了我们对自然世界的知识，还强调了各种科学学科之间的相互联系。随着我们继续探索和理解我们的星球，clastic材料的重要性无疑将继续成为学术研究和实际应用的重点。