calcareous argillaceous sediment

简明释义

1. 钙质粘土沉积; 2. 含钙泥质沉积;

英英释义

例句

1.Samples taken from the riverbed contained significant amounts of calcareous argillaceous sediment, suggesting a complex interaction between freshwater and marine environments.

从河床采集的样本中含有大量的钙质粘土沉积物，这表明淡水与海洋环境之间存在复杂的相互作用。

2.The fossils found in the calcareous argillaceous sediment provide valuable insights into the ancient ecosystems that once thrived in this region.

在钙质粘土沉积物中发现的化石为曾经在该地区繁荣的古生态系统提供了宝贵的见解。

3.The geological survey revealed that the area consists largely of calcareous argillaceous sediment, which indicates a rich history of marine deposition.

地质调查显示，该地区主要由钙质粘土沉积物组成，这表明该地区具有丰富的海洋沉积历史。

4.In the construction project, engineers had to account for the presence of calcareous argillaceous sediment when determining the foundation design.

在建设项目中，工程师在确定基础设计时必须考虑到钙质粘土沉积物的存在。

5.Researchers are studying the calcareous argillaceous sediment to understand its role in carbon sequestration.

研究人员正在研究钙质粘土沉积物以了解其在碳封存中的作用。

作文

In the study of geology and sedimentology, understanding various types of sediments is crucial for interpreting the Earth's history and its processes. One such important type of sediment is calcareous argillaceous sediment, which plays a significant role in both marine and terrestrial environments. This composition primarily consists of clay minerals and calcium carbonate, making it a unique blend that offers insights into past geological conditions. The term calcareous argillaceous sediment refers to sediments that are rich in both calcareous materials, which are derived from the shells of marine organisms, and argillaceous materials, primarily composed of clay. The presence of calcium carbonate indicates that these sediments were likely formed in environments where biological activity was prevalent, such as shallow marine waters. The accumulation of these sediments can be traced back to periods when sea levels were higher, allowing for the deposition of organic materials along with fine-grained clays. Geologists often analyze calcareous argillaceous sediment to reconstruct ancient environments and understand the climatic conditions that prevailed during sediment deposition. For instance, the ratio of calcium carbonate to clay can provide clues about the productivity of marine life in the area at the time. High concentrations of calcium carbonate suggest a thriving ecosystem, while lower concentrations may indicate less favorable conditions for marine organisms. Moreover, calcareous argillaceous sediment is also significant in the context of hydrocarbon exploration. These sediments can act as both source rocks and reservoir rocks in petroleum systems. The clay content can influence the porosity and permeability of the rock, affecting how hydrocarbons migrate and accumulate. Therefore, understanding the characteristics of calcareous argillaceous sediment is essential for geoscientists working in the field of energy resources. In addition to its geological significance, calcareous argillaceous sediment has implications for agriculture and soil science. Soils that contain a high proportion of calcareous materials can affect nutrient availability and soil pH. Farmers and agronomists must consider these factors when managing crops, as the presence of calcium carbonate can lead to alkaline soil conditions, which may not be suitable for all types of plants. In conclusion, calcareous argillaceous sediment is a vital component of the Earth’s sedimentary record, offering valuable information about past environmental conditions, biological productivity, and resource potential. Its unique composition makes it a subject of interest across various scientific disciplines, from geology to agriculture. Understanding this type of sediment not only enhances our knowledge of Earth’s history but also aids in practical applications such as natural resource management and agricultural practices. As research continues to evolve, the importance of calcareous argillaceous sediment will undoubtedly remain a focal point in the exploration of our planet's geological narrative.

在地质学和沉积学的研究中，了解各种类型的沉积物对于解释地球的历史及其过程至关重要。其中一种重要的沉积物类型是钙质粘土沉积物，它在海洋和陆地环境中都发挥着重要作用。这种成分主要由粘土矿物和碳酸钙组成，使其成为一种独特的混合物，可以提供关于过去地质条件的见解。 术语钙质粘土沉积物指的是富含钙质材料（源自海洋生物的壳体）和粘土材料（主要由粘土组成）的沉积物。碳酸钙的存在表明这些沉积物可能是在生物活动盛行的环境中形成的，例如浅海水域。这些沉积物的积累可以追溯到海平面较高的时期，允许有机材料与细粒粘土一起沉积。 地质学家常常分析钙质粘土沉积物以重建古代环境并理解沉积物沉积期间的气候条件。例如，碳酸钙与粘土的比例可以提供关于当时海洋生物生产力的线索。高浓度的碳酸钙表明生态系统繁荣，而低浓度可能表明海洋生物的生存条件不佳。 此外，钙质粘土沉积物在石油勘探的背景下也具有重要意义。这些沉积物可以作为石油系统中的源岩和储层岩。粘土含量可以影响岩石的孔隙度和渗透性，从而影响烃类的迁移和聚集。因此，了解钙质粘土沉积物的特征对从事能源资源领域的地球科学家至关重要。 除了其地质意义外，钙质粘土沉积物对农业和土壤科学也有影响。含有较高比例钙质材料的土壤会影响养分的可用性和土壤pH值。农民和农艺师在管理作物时必须考虑这些因素，因为碳酸钙的存在可能导致土壤呈碱性，这可能不适合所有类型的植物。 总之，钙质粘土沉积物是地球沉积记录的重要组成部分，提供了关于过去环境条件、生物生产力和资源潜力的宝贵信息。其独特的成分使其成为各个科学学科的研究对象，从地质学到农业。理解这种类型的沉积物不仅增强了我们对地球历史的认识，还有助于自然资源管理和农业实践等实际应用。随着研究的不断发展，钙质粘土沉积物的重要性无疑将继续成为探索我们星球地质叙事的焦点。