authigenic sand size material

简明释义

自生砂粒级物质;

英英释义

例句

1.Researchers found that the authigenic sand size material contained unique mineral compositions.

研究人员发现，自生砂粒材料含有独特的矿物成分。

2.In coastal environments, authigenic sand size material can provide insights into past marine conditions.

在沿海环境中，自生砂粒材料可以提供对过去海洋条件的洞察。

3.During the excavation, we discovered layers of authigenic sand size material that dated back thousands of years.

在挖掘过程中，我们发现了几千年前的自生砂粒材料层。

4.The presence of authigenic sand size material indicates a high-energy depositional environment.

存在自生砂粒材料表明这是一个高能沉积环境。

5.The geologist collected samples of authigenic sand size material from the riverbed to analyze sedimentary processes.

地质学家从河床收集了自生砂粒材料样本，以分析沉积过程。

作文

In the field of geology, understanding sedimentary processes is crucial for comprehending the formation of various rock types and their characteristics. One important concept in this domain is the term authigenic sand size material, which refers to sediments that have formed in situ, meaning they originated in the same location where they are found. This process often occurs in environments such as riverbeds, lakes, or ocean floors, where the conditions allow for the precipitation and consolidation of minerals. The study of authigenic sand size material provides significant insights into past environmental conditions and geological history.When we talk about authigenic sand size material, we are specifically referring to sediment particles that are comparable in size to sand grains, typically ranging from 0.0625 mm to 2 mm in diameter. These materials can be composed of various minerals, including quartz, feldspar, and clay, but what distinguishes them is that they formed through diagenetic processes after the sediment was deposited. For instance, in a marine setting, the accumulation of organic matter can lead to the precipitation of minerals like calcite or dolomite, which subsequently bind the sand-sized particles together, thus creating a cohesive structure.The significance of studying authigenic sand size material extends beyond mere academic interest; it has practical applications in fields such as petroleum geology and environmental science. In petroleum geology, understanding the distribution and characteristics of these materials can help in identifying potential reservoirs of hydrocarbons. Authigenic minerals can influence porosity and permeability, which are critical factors in the storage and movement of oil and gas within sedimentary basins.Moreover, in environmental science, analyzing authigenic sand size material can provide valuable information regarding sediment transport and deposition patterns. By examining the composition and distribution of these sediments, scientists can infer historical changes in environmental conditions, such as shifts in climate or sea level. This information is vital for predicting future changes and managing natural resources effectively.In conclusion, the term authigenic sand size material encompasses a fascinating aspect of sedimentology that bridges the gap between theoretical concepts and practical applications. By studying these materials, geologists and environmental scientists can gain deeper insights into the Earth's history and its dynamic processes. As we continue to explore and understand our planet, the role of authigenic sand size material will undoubtedly remain a key focus in both research and applied sciences, highlighting the intricate relationships between sediments, geological formations, and the environment.

在地质学领域，理解沉积过程对于理解各种岩石类型及其特征的形成至关重要。一个重要的概念是术语authigenic sand size material，它指的是原位形成的沉积物，这意味着它们在发现时就起源于同一地点。这一过程通常发生在河床、湖泊或海洋底部等环境中，这些条件允许矿物的沉淀和固结。对authigenic sand size material的研究提供了关于过去环境条件和地质历史的重要见解。当我们谈论authigenic sand size material时，我们特别指的是与沙粒大小相当的沉积颗粒，直径通常在0.0625毫米到2毫米之间。这些材料可以由各种矿物组成，包括石英、长石和粘土，但区分它们的特点是，它们是在沉积后通过成岩作用形成的。例如，在海洋环境中，有机物的积累可以导致矿物如方解石或白云石的沉淀，随后将沙粒结合在一起，从而形成一个凝聚的结构。研究authigenic sand size material的重要性不仅仅是学术兴趣；它在石油地质学和环境科学等领域有实际应用。在石油地质学中，理解这些材料的分布和特征可以帮助识别潜在的碳氢化合物储层。自生矿物可以影响孔隙度和渗透性，而这些都是沉积盆地中油气存储和移动的关键因素。此外，在环境科学中，分析authigenic sand size material可以提供有关沉积物运输和沉积模式的宝贵信息。通过检查这些沉积物的组成和分布，科学家可以推断出历史上环境条件的变化，例如气候或海平面的变化。这些信息对于预测未来变化和有效管理自然资源至关重要。总之，术语authigenic sand size material涵盖了沉积学的一个迷人方面，它弥合了理论概念和实际应用之间的差距。通过研究这些材料，地质学家和环境科学家可以深入了解地球的历史及其动态过程。随着我们不断探索和理解我们的星球，authigenic sand size material的角色无疑将继续成为研究和应用科学的重点，突显出沉积物、地质构造与环境之间错综复杂的关系。