dolomitisation

简明释义

英[ˌdoʊləˌmɪtəˈzeɪʃən]美[ˌdoʊləˌmɪtəˈzeɪʃən]

白云岩化作用

英英释义

单词用法

同义词

反义词

例句

1.Constructive diageneses includes dolomitisation recrystallization dissolution and pressure solution while destructive diageneses include cementation compaction silication and filling.

而破坏性成岩作用包括胶结作用、压实作用、硅化作用、充填作用。

2.Constructive diageneses includes dolomitisation recrystallization dissolution and pressure solution while destructive diageneses include cementation compaction silication and filling.

而破坏性成岩作用包括胶结作用、压实作用、硅化作用、充填作用。

3.Geologists study dolomitisation to understand the evolution of ancient marine environments.

地质学家研究白云石化以了解古代海洋环境的演变。

4.The dolomitisation of carbonate rocks is often associated with diagenetic processes.

碳酸盐岩的白云石化通常与成岩过程相关联。

5.The dolomitisation of limestone can lead to significant changes in its mineral composition.

石灰石的白云石化会导致其矿物成分发生显著变化。

6.During the process of dolomitisation, magnesium-rich fluids replace calcium in the rock.

在白云石化过程中，富含镁的流体取代岩石中的钙。

7.The process of dolomitisation is crucial in the formation of certain types of sedimentary rocks.

白云石化过程在某些类型沉积岩的形成中至关重要。

作文

Dolomitisation is a geological process that involves the transformation of limestone into dolomite through a series of chemical reactions. This process typically occurs in sedimentary environments where magnesium-rich fluids interact with calcium carbonate minerals. Understanding dolomitisation is crucial for geologists and paleontologists alike, as it provides insights into past environmental conditions and the diagenetic history of sedimentary rocks.The significance of dolomitisation lies in its ability to alter the properties of the original limestone. Dolomite, the rock formed from this process, has different physical and chemical characteristics compared to limestone. For instance, dolomite is often less soluble in water than limestone, which can impact the formation of karst landscapes. Additionally, the porosity and permeability of dolostone can be significantly enhanced, making it an important reservoir rock for hydrocarbons and groundwater. Geologists often study the factors that influence dolomitisation, such as temperature, pressure, and the composition of the surrounding fluids. Elevated temperatures and the presence of magnesium are known to facilitate this transformation. Moreover, the timing of dolomitisation can vary; it may occur during early diagenesis, when sediments are still being compacted and cemented, or during later stages when tectonic activities have altered the geological landscape.One of the most well-known examples of dolomitisation can be found in the Great Lakes region of North America, where extensive deposits of dolostone are present. These formations provide valuable information about the geological history of the area and the environmental conditions that prevailed during the time of their formation. The study of these formations helps geologists reconstruct past climates and sea levels, contributing to our understanding of Earth's dynamic systems.Furthermore, dolomitisation plays a significant role in the formation of certain types of mineral deposits. For example, the process can lead to the concentration of economically important minerals like lead, zinc, and copper. As such, mining companies often target dolostone formations when exploring for these resources.In summary, dolomitisation is a vital geological process that transforms limestone into dolomite, impacting both the physical characteristics of the rock and the environmental conditions of the area. Its implications extend beyond geology into fields such as paleontology and resource management, highlighting the interconnectedness of Earth’s systems. By studying dolomitisation, scientists can gain a deeper understanding of geological processes and their effects on the planet's history and resources.

白云化是一个地质过程，涉及通过一系列化学反应将石灰岩转变为白云岩。这个过程通常发生在沉积环境中，镁丰富的流体与碳酸钙矿物相互作用。理解白云化对地质学家和古生物学家来说至关重要，因为它提供了对过去环境条件和沉积岩成岩历史的见解。白云化的重要性在于它能够改变原始石灰岩的性质。由这一过程形成的白云岩在物理和化学特性上与石灰岩有很大不同。例如，白云岩通常比石灰岩在水中的溶解度低，这可能影响喀斯特地貌的形成。此外，白云岩的孔隙度和渗透率可以显著提高，使其成为重要的碳氢化合物和地下水储层岩石。地质学家经常研究影响白云化的因素，如温度、压力和周围流体的组成。已知高温和镁的存在有助于这种转变。此外，白云化的时机可能有所不同；它可能在早期成岩过程中发生，即当沉积物仍在被压实和胶结时，或在后期阶段，当构造活动改变了地质景观时。北美大湖地区是白云化最著名的例子之一，该地区存在广泛的白云岩沉积。这些地层提供了关于该地区地质历史和形成时期环境条件的宝贵信息。对这些地层的研究帮助地质学家重建过去的气候和海平面，促进我们对地球动态系统的理解。此外，白云化在某些类型矿床的形成中也起着重要作用。例如，这一过程可以导致经济重要矿物如铅、锌和铜的浓集。因此，采矿公司在勘探这些资源时往往会瞄准白云岩地层。总之，白云化是一个重要的地质过程，将石灰岩转变为白云岩，影响岩石的物理特性和区域的环境条件。它的影响超越了地质学，延伸到古生物学和资源管理等领域，突显了地球系统之间的相互联系。通过研究白云化，科学家们可以更深入地理解地质过程及其对地球历史和资源的影响。