argillaceous facies

简明释义

1. 泥质岩相; 2. 粘土质岩相;

英英释义

例句

1.The core samples revealed a transition from sandstone to argillaceous facies, suggesting a change in depositional environment.

岩心样本显示出从砂岩到粘土相的过渡，表明沉积环境的变化。

2.The argillaceous facies found in this area is known for its excellent plasticity and workability.

该地区发现的粘土相以其优良的塑性和可加工性而闻名。

3.In petroleum geology, understanding the characteristics of argillaceous facies can help in predicting reservoir behavior.

在石油地质学中，理解粘土相的特征有助于预测储层行为。

4.During the field study, we collected samples from the argillaceous facies to analyze their mineral composition.

在野外研究中，我们从粘土相中采集样本以分析其矿物成分。

5.The geologist identified the presence of argillaceous facies in the sedimentary layers, indicating a high clay content.

地质学家在沉积层中识别到粘土相的存在，表明高粘土含量。

作文

The study of sedimentary rocks provides crucial insights into the Earth's history and geological processes. Among the various types of sedimentary features, the term argillaceous facies refers to a specific type of rock formation characterized by a significant proportion of clay minerals. These formations are often indicative of particular depositional environments, such as lagoons, deltas, and floodplains. Understanding argillaceous facies is essential for geologists as it helps them decipher past climatic conditions and biological activity.In sedimentology, the term 'facies' encompasses more than just the physical characteristics of a rock; it also includes its composition, texture, and the environment of deposition. The argillaceous facies, being rich in clay, usually exhibits fine-grained textures that can result from the slow accumulation of sediments in quiet water settings. This fine-grained nature allows for the preservation of organic materials, making these formations valuable for paleontological studies.Identifying argillaceous facies within a stratigraphic column can provide geologists with information about the sedimentary environment. For instance, the presence of these clay-rich layers might suggest that the area was once a low-energy environment where fine particles could settle without disturbance. Such insights can lead to a better understanding of ancient ecosystems and the organisms that inhabited them.Moreover, argillaceous facies play a significant role in hydrocarbon exploration. Many oil and gas reservoirs are found in association with clay-rich sediments, as these materials can act as both source rocks and seals for hydrocarbons. The ability to identify and analyze these facies can significantly impact the success of exploration efforts and the management of natural resources.In conclusion, the concept of argillaceous facies is a fundamental aspect of sedimentary geology that encompasses the study of clay-rich rock formations. Its implications stretch beyond academic interest, influencing fields such as paleontology and hydrocarbon exploration. By understanding the characteristics and significance of argillaceous facies, geologists can unlock secrets of the Earth's past and better manage its resources for the future.

沉积岩的研究为我们提供了关于地球历史和地质过程的重要见解。在各种沉积特征中，术语argillaceous facies指的是一种特定的岩石形成，其特征是含有大量的粘土矿物。这些形成通常表明特定的沉积环境，如泻湖、三角洲和洪泛平原。理解argillaceous facies对地质学家至关重要，因为它帮助他们解读过去的气候条件和生物活动。在沉积学中，术语“相”不仅仅包括岩石的物理特征；它还包括其组成、纹理和沉积环境。由于富含粘土，argillaceous facies通常表现出细粒的纹理，这可能源于在宁静水域中沉积物的缓慢积累。这种细粒性质使得有机材料能够得到保存，使这些形成在古生物学研究中具有重要价值。在地层柱中识别argillaceous facies可以为地质学家提供有关沉积环境的信息。例如，这些富含粘土的层的存在可能表明该地区曾经是一个低能量的环境，在那里细小颗粒可以不受干扰地沉降。这些见解可以导致对古代生态系统及其栖息的生物的更好理解。此外，argillaceous facies在碳氢化合物勘探中也发挥着重要作用。许多油气储层与富含粘土的沉积物相关联，因为这些材料可以作为源岩和碳氢化合物的密封体。识别和分析这些相的能力可以显著影响勘探工作的成功以及自然资源的管理。总之，argillaceous facies的概念是沉积地质学的一个基本方面，涉及对富含粘土的岩石形成的研究。它的影响超越了学术兴趣，影响着古生物学和碳氢化合物勘探等领域。通过理解argillaceous facies的特征和意义，地质学家可以揭开地球过去的秘密，并更好地管理未来的资源。