diagenetic

简明释义

英[ˌdaɪədʒəˈnetɪk]美[daɪədʒəˈnetɪk]

adj. 成岩作用的

英英释义

单词用法

同义词

反义词

例句

1.Stable isotopic method can be used effectively in the diagenetic research of deep water carbonate rocks.

稳定同位素方法可以有效地应用于深水碳酸盐岩的成岩作用研究。

2.The fracture in studied area can he divided into diagenetic micro-facture, weathering fracture and structural fracture.

研究区的裂缝可以划分为岩微裂隙、风化裂隙和构造裂缝3种类型。

3.Void is the basic unit in carbonate reservoir. It's developing history corresponds diagenetic evolution. A reservoir with different void has it's own distribution regularity.

空隙是构成碳酸盐岩储层的基本单元，空隙发育史对应了成岩演化史，且不同类型空隙的储层具有不同的分布规律。

4.Diagenetic sequences of both dried and drowned reef types located in the North-East and south-west respectively are presented.

对北部、东部的“干死型”和南部、西部的“淹死型”生物礁成岩序列也有叙述。

5.The reservoir rock facies, with its principal indicators, has recorded aspects of sedimentary facies, diagenetic change and oil gas indication.

储集岩相是以基本标志反映储集岩的沉积相、成岩变化以及油气显示面貌的。

6.The carbonate content increases on the whole with its increasing burial depth but presents different characteristics in different diagenetic stages.

储层中碳酸盐含量总体上随深度增加而不断加大，但在不同成岩阶段具有不同特点。

7.The order degree of dolomite is related to sedimentation and diagenetic environment.

云南澄江上震旦统白云岩，其白云石有序度与沉积和成岩环境有关。

8.The study of sedimentary rocks often involves examining their diagenetic 成岩作用的 changes over time.

沉积岩的研究通常涉及检查其成岩作用的变化。

9.Researchers found that diagenetic 成岩作用的 processes significantly altered the original mineral composition of the rock.

研究人员发现，成岩作用的过程显著改变了岩石的原始矿物成分。

10.The diagenetic 成岩作用的 effects can lead to the formation of valuable fossil fuels.

成岩作用的影响可能导致有价值的化石燃料的形成。

11.In this region, the diagenetic 成岩作用的 environment is characterized by high pressure and temperature.

在这个地区，成岩作用的环境以高压和高温为特征。

12.Understanding diagenetic 成岩作用的 processes is crucial for predicting reservoir quality in petroleum geology.

理解成岩作用的过程对于预测石油地质中的储层质量至关重要。

作文

The study of sedimentary rocks and their formation processes is crucial for understanding Earth's history. One of the key concepts in this field is diagenetic processes, which refer to the physical and chemical changes that occur in sediments after their initial deposition and before they become metamorphic rocks. These changes can significantly affect the properties of the rocks, including their porosity and permeability, which are vital factors in fields such as petroleum geology and hydrogeology. When sediments accumulate in layers, they are subjected to various conditions such as pressure, temperature, and the presence of fluids. Over time, these conditions lead to diagenetic alterations. For instance, the compaction of sediments due to overlying materials can reduce pore space, while cementation can occur when minerals precipitate from solution and fill the gaps between grains. This process is essential for transforming loose sediments into solid rock. Moreover, diagenetic processes are influenced by the chemical environment in which the sediments are found. The availability of certain ions and the pH of the surrounding fluids can dictate the types of minerals that form during diagenesis. For example, the presence of calcium carbonate can lead to the formation of limestone, while silica-rich environments may produce sandstone. Understanding these chemical interactions is vital for reconstructing past environments and predicting future geological changes. In addition to physical and chemical transformations, diagenetic processes also involve biological activity. Microorganisms play a significant role in the alteration of sediments, as they can contribute to the breakdown of organic materials and the precipitation of minerals. This biogenic influence can enhance or inhibit certain diagenetic reactions, ultimately affecting the composition and structure of the resulting rock. Studying diagenetic changes is not only important for academic research but also has practical applications in resource exploration. In the oil and gas industry, for example, understanding the diagenetic history of a reservoir can help geologists determine its potential productivity. By analyzing the porosity and permeability of rocks, they can make informed decisions about where to drill and how to extract resources efficiently. In conclusion, diagenetic processes are fundamental to the transformation of sediments into sedimentary rocks. They encompass a range of physical, chemical, and biological changes that can have profound implications for the properties of the rocks and their behavior in various geological contexts. As we continue to explore and understand these processes, we gain valuable insights into Earth's history and the dynamic systems that shape our planet. The significance of diagenetic studies extends beyond geology; they also provide critical information for industries reliant on natural resources, making them an essential area of research in the earth sciences.

沉积岩及其形成过程的研究对于理解地球历史至关重要。该领域的一个关键概念是成岩作用过程，指的是沉积物在初次沉积后到变成变质岩之前发生的物理和化学变化。这些变化会显著影响岩石的性质，包括其孔隙度和渗透性，这些都是石油地质学和水文地质学等领域的重要因素。 当沉积物以层状形式积累时，会受到压力、温度和流体存在等各种条件的影响。随着时间的推移，这些条件导致了成岩作用的改变。例如，由于覆盖材料的压实，沉积物的孔隙空间可能会减少，而当矿物从溶液中沉淀并填充颗粒之间的空隙时，就会发生胶结作用。这个过程对于将松散的沉积物转变为固体岩石至关重要。 此外，成岩作用过程还受沉积物所处化学环境的影响。某些离子的可用性和周围流体的pH值可以决定在成岩过程中形成的矿物类型。例如，碳酸钙的存在可能导致石灰岩的形成，而富含二氧化硅的环境可能产生砂岩。理解这些化学相互作用对于重建过去的环境和预测未来的地质变化至关重要。 除了物理和化学转变之外，成岩作用过程还涉及生物活动。微生物在沉积物的改变中发挥着重要作用，因为它们可以促进有机物质的分解和矿物的沉淀。这种生物影响可以增强或抑制某些成岩作用反应，最终影响所形成岩石的组成和结构。 研究成岩作用变化不仅对学术研究重要，而且在资源勘探中也具有实际应用。例如，在石油和天然气行业，了解储层的成岩作用历史可以帮助地质学家确定其潜在生产能力。通过分析岩石的孔隙度和渗透性，他们可以就钻探位置和如何高效提取资源做出明智的决策。 总之，成岩作用过程是沉积物转变为沉积岩的基础。它们包含一系列物理、化学和生物变化，这些变化可能对岩石的性质及其在各种地质背景下的行为产生深远的影响。随着我们继续探索和理解这些过程，我们获得了对地球历史和塑造我们星球的动态系统的宝贵见解。成岩作用研究的重要性超越了地质学；它们还为依赖自然资源的产业提供了关键的信息，使其成为地球科学研究中的一个重要领域。