calcareous marl

简明释义

1. 钙质泥灰岩; 2. 灰质泥灰岩;

英英释义

例句

1.The presence of calcareous marl in the region indicates a history of marine environments.

该地区存在钙质泥灰岩表明曾经有海洋环境的历史。

2.The construction team found that the foundation was built on a layer of calcareous marl, which provided excellent support.

施工队发现基础是建在一层钙质泥灰岩上，这提供了极好的支撑。

3.Farmers often use calcareous marl as a soil amendment to improve pH levels in acidic soils.

农民常常使用钙质泥灰岩作为土壤改良剂，以改善酸性土壤的pH值。

4.In the geological survey, samples of calcareous marl were collected to analyze their composition.

在地质调查中，采集了钙质泥灰岩样本以分析其成分。

5.During the excavation, the workers encountered a thick layer of calcareous marl that slowed down progress.

在挖掘过程中，工人们遇到了一层厚厚的钙质泥灰岩，这减缓了进度。

作文

In the study of geology, various types of sedimentary rocks play a crucial role in understanding the Earth's history and the processes that have shaped its surface. One such type of sedimentary rock is calcareous marl, which is characterized by its unique composition and formation process. Calcareous marl is primarily composed of clay, silt, and calcium carbonate, making it an important material for both geological studies and practical applications. This essay will explore the formation, characteristics, and significance of calcareous marl in various contexts.The formation of calcareous marl typically occurs in marine environments where fine sediments accumulate over time. As organic matter decays and calcium carbonate precipitates from seawater, these components mix with the clay and silt particles to create a soft, often pliable rock. The presence of calcium carbonate in calcareous marl not only influences its physical properties but also provides insights into the environmental conditions of the time when the rock was formed. For instance, high levels of calcium carbonate suggest a warm, shallow marine environment conducive to the growth of organisms that contribute to this mineral's accumulation.One of the key characteristics of calcareous marl is its ability to retain moisture, which makes it an excellent soil amendment in agricultural practices. Farmers often utilize calcareous marl to improve soil fertility and structure, particularly in regions with poor soil quality. The calcium content helps to neutralize acidic soils, promoting healthier crop growth. Additionally, the fine texture of calcareous marl allows for better water retention, which is beneficial in arid climates where water conservation is essential.Moreover, calcareous marl has significant implications in the field of paleontology. Fossils found within calcareous marl deposits can provide valuable information about past ecosystems and climate conditions. By studying these fossils, scientists can reconstruct ancient environments and understand how life on Earth has evolved over millions of years. This aspect of calcareous marl underscores its importance not just as a geological material, but as a window into the planet's biological history.In the construction industry, calcareous marl is sometimes used as a raw material for cement production. Its high calcium content makes it a suitable candidate for the production of lime, which is a key ingredient in cement. The use of calcareous marl in construction not only supports sustainable building practices by utilizing locally available materials but also contributes to reducing the carbon footprint associated with transporting materials over long distances.In conclusion, calcareous marl is a versatile and significant sedimentary rock that serves multiple purposes across various fields. From its formation in ancient marine environments to its modern applications in agriculture and construction, calcareous marl offers valuable insights into both geological processes and practical uses. Understanding this material enhances our knowledge of the Earth’s history and informs sustainable practices in contemporary society. As research continues to uncover more about calcareous marl, its role in science and industry will likely expand, highlighting its importance in our ongoing relationship with the natural world.

在地质学研究中，各种类型的沉积岩在理解地球历史和塑造其表面的过程方面发挥着至关重要的作用。其中一种沉积岩是钙质泥灰岩，其特征在于其独特的成分和形成过程。钙质泥灰岩主要由粘土、粉砂和碳酸钙组成，使其成为地质研究和实际应用的重要材料。本文将探讨钙质泥灰岩的形成、特征及其在各个领域的重要性。钙质泥灰岩的形成通常发生在海洋环境中，细小沉积物随着时间的推移积累。当有机物分解并且碳酸钙从海水中沉淀时，这些成分与粘土和粉砂颗粒混合，形成一种柔软、通常可塑的岩石。钙质泥灰岩中碳酸钙的存在不仅影响其物理性质，还提供了关于岩石形成时环境条件的见解。例如，高水平的碳酸钙表明一个温暖、浅海的环境，有利于生长有助于这种矿物积累的生物。钙质泥灰岩的一个关键特征是它能够保持水分，这使其成为农业实践中优良的土壤改良剂。农民常常利用钙质泥灰岩来改善土壤肥力和结构，特别是在土壤质量较差的地区。钙的含量有助于中和酸性土壤，促进作物更健康的生长。此外，钙质泥灰岩的细腻质地使其能够更好地保持水分，这在干旱气候中尤为重要，水资源的保护至关重要。此外，钙质泥灰岩在古生物学领域具有重要意义。在钙质泥灰岩沉积物中发现的化石可以提供关于过去生态系统和气候条件的宝贵信息。通过研究这些化石，科学家可以重建古代环境，了解地球生命如何在数百万年间演变。这一方面强调了钙质泥灰岩不仅作为一种地质材料的重要性，也作为窥视地球生物历史的窗口。在建筑行业，钙质泥灰岩有时被用作水泥生产的原材料。其高钙含量使其成为生产石灰的合适候选者，而石灰是水泥的关键成分。在建筑中使用钙质泥灰岩不仅通过利用本地可用材料支持可持续建筑实践，还帮助减少了因长途运输材料而带来的碳足迹。总之，钙质泥灰岩是一种多功能且重要的沉积岩，在各个领域发挥着多重作用。从其在古代海洋环境中的形成到其在农业和建筑中的现代应用，钙质泥灰岩为我们提供了对地质过程和实际用途的宝贵见解。理解这种材料增强了我们对地球历史的认识，并为当代社会的可持续实践提供了信息。随着研究的不断深入，关于钙质泥灰岩的更多信息将被揭示，其在科学和工业中的角色可能会扩大，突显其在我们与自然世界持续关系中的重要性。