arkosic arenite
简明释义
1. 长石砂屑岩; 2. 长石砂岩; 3. 质净砂岩;
英英释义
Arkosic arenite is a type of sandstone that contains a high proportion of feldspar, typically more than 25%, along with quartz and other minerals. | 阿尔科石砂岩是一种含有高比例长石的砂岩,通常长石含量超过25%,同时还包含石英和其他矿物。 |
例句
1.Researchers are studying the sorting characteristics of arkosic arenite in sedimentary basins.
研究人员正在研究沉积盆地中石英砂岩的分选特征。
2.The arkosic arenite found here is primarily composed of quartz and feldspar.
这里发现的石英砂岩主要由石英和长石组成。
3.In the field, we encountered a large outcrop of arkosic arenite which indicated ancient river deposits.
在野外,我们遇到了一个大型的石英砂岩露头,这表明是古老河流沉积物。
4.The presence of arkosic arenite in this area suggests significant weathering of granite.
该地区存在石英砂岩表明花岗岩经历了显著的风化。
5.The geologist collected samples of arkosic arenite to analyze its mineral composition.
地质学家收集了石英砂岩样本以分析其矿物成分。
作文
The study of sedimentary rocks is essential for understanding Earth's geological history. Among these, arkosic arenite is a significant type that provides valuable insights into past environments. Arkose砂岩, characterized by its high feldspar content, typically forms in areas where the weathering of granite occurs. This type of rock is often found in riverbeds and deserts, indicating that it is formed from the erosion of pre-existing rocks, primarily granitic ones. The composition of arkosic arenite reflects the processes of weathering and transportation, which are crucial in sedimentology. In terms of grain size, arkosic arenite falls within the category of sandstone, with grains that are generally larger than those found in siltstone or shale. The presence of feldspar makes it distinct from other sandstones, which may have higher quartz content. This unique composition can tell geologists about the source rocks and the conditions under which the sediments were deposited. For instance, a high proportion of feldspar suggests a relatively short transport distance, as feldspar is more prone to weathering than quartz.The formation of arkosic arenite often occurs in fluvial environments, where rivers transport sediments from their source to a depositional area. Over time, these sediments can accumulate and become compacted, eventually lithifying into rock. This process is influenced by various factors, including water energy, sediment supply, and the chemical composition of the surrounding environment. Understanding these factors helps geologists reconstruct ancient landscapes and climatic conditions.Moreover, the study of arkosic arenite extends beyond its geological significance; it also has implications for natural resource exploration. For example, the porosity and permeability of this rock type can affect the storage of groundwater and hydrocarbons. The characteristics of arkosic arenite make it a potential reservoir rock, which is crucial for industries involved in oil and gas extraction. Thus, the economic importance of this sedimentary rock cannot be overlooked.In conclusion, arkosic arenite is a fascinating subject within the field of geology. Its unique properties and formation processes provide critical information about Earth’s history and the environments in which these rocks were formed. By studying arkosic arenite, we gain insights into past climates, geological processes, and even resources that are vital for modern society. Understanding this rock type not only enriches our knowledge of geology but also highlights the interconnectedness of natural processes and human activity.
沉积岩的研究对于理解地球的地质历史至关重要。在这些岩石中,arkosic arenite 是一种重要类型,为我们提供了对过去环境的宝贵见解。Arkose砂岩 的特点是含有高量的长石,通常形成于花岗岩风化的地区。这种岩石常见于河床和沙漠,表明它是由已经存在的岩石(主要是花岗岩)侵蚀而成的。arkosic arenite 的成分反映了风化和运输的过程,这在沉积学中至关重要。在颗粒大小方面,arkosic arenite 属于砂岩类别,其颗粒通常比粉砂岩或页岩中的颗粒大。长石的存在使其与其他砂岩区分开来,而后者可能具有更高的石英含量。这种独特的成分可以告诉地质学家关于源岩以及沉积物沉积条件的信息。例如,高比例的长石表明相对较短的运输距离,因为长石比石英更容易风化。arkosic arenite 的形成通常发生在河流环境中,河流将沉积物从源头运输到沉积区域。随着时间的推移,这些沉积物会积累并被压实,最终固结成岩石。这个过程受多种因素影响,包括水能、沉积物供应和周围环境的化学成分。了解这些因素有助于地质学家重建古代景观和气候条件。此外,arkosic arenite 的研究不仅限于其地质意义;它还对自然资源勘探有影响。例如,这种岩石类型的孔隙度和渗透性会影响地下水和碳氢化合物的储存。arkosic arenite 的特性使其成为潜在的储层岩,这对参与石油和天然气开采的行业至关重要。因此,这种沉积岩的经济重要性不容忽视。总之,arkosic arenite 是地质学领域中的一个迷人主题。它独特的属性和形成过程提供了关于地球历史和这些岩石形成环境的关键信息。通过研究 arkosic arenite,我们可以深入了解过去的气候、地质过程,甚至是对现代社会至关重要的资源。理解这种岩石类型不仅丰富了我们对地质学的知识,还突显了自然过程与人类活动之间的相互联系。
相关单词