authigenic

简明释义

英[ˌɔːθɪˈdʒɛnɪk]美[ˌɔːθɪˈdʒɛnɪk]

adj. [地质] 自生的

英英释义

单词用法

同义词

反义词

例句

1.Authigenic zeolites are index minerals for the growing band of secondary pores.

自生方沸石是地下次生孔隙发育带的标志矿物。

2.Cementation is showed by the secondary enlargement of quartz and feldspar, the successive formation and pores filling of cementing material of authigenic clay mineral, calcite and anhydrite, etc.

胶结作用表现为石英和长石的次生加大、自生粘土矿物、碳酸盐和硬石膏胶结物的依次形成并充填孔隙。

3.The formation of authigenic kaolinite and secondary pores and charging of natural gas are two associated processes with closely related mechanisms.

自生高岭石与次生孔隙的形成过程与天然气的充注，为两个机理上紧密联系的共生过程。

4.Oil-bearing fluid inclusions have been generally believed as samples of paleo oils reservoired in authigenic minerals.

油气包裹体是保存在矿物中的古油气组分。

5.As the main flow manner of formation water in deep reservoir, circulated convection current controlled authigenic mineral location and secondary pore distribution.

循环热对流是深部储层流体的主要流动方式，它控制着自生矿物在砂层中的析出位置和次生孔隙的分布特征。

6.Authigenic carbonate oxygen and carbon isotope evidence in lake sediment is an important proxy to reflect lake environment and climatic change.

湖泊自生碳酸盐碳氧同位素变化是反映内陆湖泊水环境与气候环境的重要指标。

7.As cement, authigenic mineral or vein, dawsonite is found not only in Marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures.

片钠铝石作为胶结物、自生矿物或脉体，不仅分布在海相白云岩、油页岩中，而且还广泛分布在陆源碎屑岩及煤系地层中。

8.The geologist explained that the authigenic minerals formed in place during the sedimentation process.

地质学家解释说，自生的矿物是在沉积过程中原位形成的。

9.In this study, we focus on the authigenic clay minerals found in the deep-sea sediments.

在这项研究中，我们重点关注深海沉积物中发现的自生的粘土矿物。

10.The presence of authigenic carbonates indicates a unique biogeochemical environment.

存在自生的碳酸盐表明了一种独特的生物地球化学环境。

11.Researchers discovered that the authigenic processes significantly alter the chemical composition of the rocks.

研究人员发现，自生的过程显著改变了岩石的化学成分。

12.The formation of authigenic pyrite is often associated with organic matter decomposition.

自生的黄铁矿的形成通常与有机物分解有关。

作文

The study of geology often reveals intricate details about the Earth's history, including the processes that lead to the formation of various rock types. Among these processes, the concept of authigenic plays a crucial role in understanding how certain minerals and rocks develop in situ, or in their original place, rather than being transported from elsewhere. This phenomenon is particularly significant in sedimentary environments where conditions allow for the precipitation of minerals directly from the surrounding fluids. For instance, in a marine setting, the presence of specific ions in seawater can lead to the authigenic formation of minerals such as calcite or dolomite, which contribute to the overall composition of sedimentary rocks. The importance of authigenic minerals cannot be overstated, especially when it comes to interpreting past environmental conditions. By studying these minerals, geologists can gain insights into the temperature, salinity, and biological activity of ancient oceans. For example, the presence of certain authigenic clay minerals can indicate periods of high productivity in the marine environment, suggesting that the area was once rich in nutrients and supported diverse marine life. Moreover, authigenic processes are not limited to marine settings. They also occur in freshwater environments, where similar chemical conditions can lead to the formation of minerals like pyrite or siderite. These minerals often reflect the local geochemical conditions, providing valuable information about the diagenetic history of sedimentary deposits. Understanding the authigenic processes at play can help researchers reconstruct past climates and predict future geological changes. In addition to their historical significance, authigenic minerals have practical implications as well. For instance, they can influence the porosity and permeability of reservoir rocks in oil and gas exploration. The presence of authigenic clays can either enhance or hinder fluid flow, affecting the efficiency of resource extraction. Therefore, understanding the formation and distribution of authigenic minerals is essential for geologists and engineers working in the energy sector. Furthermore, the study of authigenic minerals extends beyond geology into other fields such as archaeology and environmental science. In archaeological contexts, authigenic minerals can provide clues about past human activities and their interactions with the environment. For example, the analysis of authigenic soil minerals can reveal information about ancient agricultural practices and land use. In conclusion, the term authigenic encapsulates a vital aspect of geological processes that contribute to our understanding of Earth’s history and its resources. By examining authigenic minerals, scientists can unlock secrets of the past, inform current practices in resource management, and anticipate future geological developments. As research continues to evolve, the significance of authigenic processes will undoubtedly remain a focal point in the study of geology, providing a deeper appreciation for the complexity and interconnectedness of our planet’s systems.

地质学的研究常常揭示出关于地球历史的复杂细节，包括导致各种岩石类型形成的过程。在这些过程中，authigenic 的概念在理解某些矿物和岩石是如何原位（或在其原始位置）形成，而不是从其他地方运输而来的方面发挥着至关重要的作用。这种现象在沉积环境中尤为重要，在这些环境中，条件允许矿物直接从周围流体中沉淀。例如，在海洋环境中，海水中特定离子的存在可以导致矿物如方解石或白云石的 authigenic 形成，这些矿物对沉积岩的整体组成贡献良多。 authigenic 矿物的重要性不容小觑，尤其是在解释过去环境条件时。通过研究这些矿物，地质学家可以获得关于古代海洋的温度、盐度和生物活动的见解。例如，某些 authigenic 粘土矿物的存在可以表明海洋环境曾经经历了高生产力的时期，暗示该地区曾富含营养并支持多样的海洋生物。 此外，authigenic 过程并不限于海洋环境。它们也发生在淡水环境中，其中类似的化学条件可以导致矿物如黄铁矿或菱铁矿的形成。这些矿物通常反映局部地球化学条件，为沉积物的成岩历史提供有价值的信息。理解正在发生的 authigenic 过程可以帮助研究人员重建过去的气候并预测未来的地质变化。 除了历史意义外，authigenic 矿物还有实际的应用。例如，它们可以影响油气勘探中储层岩石的孔隙度和渗透性。authigenic 粘土的存在可能增强或阻碍流体流动，从而影响资源提取的效率。因此，理解 authigenic 矿物的形成和分布对于在能源领域工作的地质学家和工程师至关重要。 此外，对 authigenic 矿物的研究还扩展到考古学和环境科学等其他领域。在考古背景下，authigenic 矿物可以提供有关人类活动及其与环境相互作用的线索。例如，authigenic 土壤矿物的分析可以揭示古代农业实践和土地利用的信息。 总之，术语 authigenic 概括了地质过程中的一个重要方面，这有助于我们理解地球的历史及其资源。通过检查 authigenic 矿物，科学家可以解锁过去的秘密，告知当前的资源管理实践，并预测未来的地质发展。随着研究的不断发展，authigenic 过程的意义无疑将继续成为地质学研究的焦点，为我们对地球系统的复杂性和相互联系的更深刻理解提供支持。