arkosic wacke

简明释义

长石砂岩质瓦克岩;

英英释义

Arkosic wacke is a type of sedimentary rock that is characterized by a high proportion of feldspar grains, typically more than 25%, mixed with quartz and other minerals. It is often formed from the weathering and erosion of granitic rocks.

阿科西克瓦克是一种沉积岩,具有较高的长石颗粒比例,通常超过25%,与石英和其他矿物混合。它通常是由花岗岩岩石的风化和侵蚀形成的。

例句

1.The geological survey revealed that the region was predominantly composed of arkosic wacke (长石砂岩), indicating a significant amount of weathered granite.

地质调查显示该地区主要由arkosic wacke长石砂岩)组成,表明有大量风化的花岗岩。

2.The construction project was delayed due to unexpected deposits of arkosic wacke (长石砂岩) that required special handling.

由于意外发现了需要特殊处理的arkosic wacke长石砂岩)沉积物,建设项目被延迟。

3.In this area, arkosic wacke (长石砂岩) is commonly found alongside other sedimentary rocks, providing insights into the geological history.

在这个地区,arkosic wacke长石砂岩)通常与其他沉积岩一起发现,为地质历史提供了见解。

4.The presence of arkosic wacke (长石砂岩) in the sedimentary layers suggests a nearby source of granite erosion.

沉积层中存在arkosic wacke长石砂岩)表明附近有花岗岩侵蚀源。

5.During the field trip, we collected samples of arkosic wacke (长石砂岩) to analyze its mineral composition.

在实地考察中,我们收集了arkosic wacke长石砂岩)的样本,以分析其矿物成分。

作文

The study of sedimentary rocks is an essential part of geology, as it helps us understand the Earth's history and the processes that shape our planet. Among the various types of sedimentary rocks, arkosic wacke stands out due to its unique composition and formation process. arkosic wacke is a type of sandstone that contains a significant amount of feldspar, typically over 25%. This high feldspar content distinguishes it from other sandstones, which may have a higher quartz content. The presence of feldspar in arkosic wacke indicates that the rock was formed from the weathering of granite or similar igneous rocks, providing valuable insights into the geological history of the area where it is found.The formation of arkosic wacke begins with the physical and chemical weathering of granite. As these rocks break down, they release feldspar grains along with quartz and other minerals. The resulting sediments are then transported by natural forces such as wind or water, eventually settling in a new location. Over time, the accumulation of these sediments leads to the formation of sedimentary layers. The lithification process, which involves compaction and cementation, transforms these loose sediments into solid rock. This process can take thousands to millions of years, making arkosic wacke a testament to the slow but powerful forces of nature.One of the fascinating aspects of arkosic wacke is its role in understanding past environments. By studying the characteristics of this rock type, geologists can infer information about the conditions under which it was formed. For instance, if an arkosic wacke sample exhibits well-sorted grains, it may suggest that the sediments were deposited in a high-energy environment, such as a river or beach. Conversely, poorly sorted grains could indicate a low-energy environment, like a floodplain or delta. This analysis helps reconstruct ancient landscapes and provides clues about climate changes over time.Moreover, arkosic wacke has practical implications in fields such as petroleum geology. The porosity and permeability of this rock type can make it a potential reservoir for hydrocarbons. Understanding the distribution and characteristics of arkosic wacke can aid in locating oil and gas deposits, which are crucial for energy production. Thus, the study of this sedimentary rock not only enriches our knowledge of geological processes but also has significant economic importance.In conclusion, arkosic wacke is more than just a type of sandstone; it is a key to unlocking the mysteries of Earth's geological past. Its unique composition, formation process, and implications for environmental reconstruction and resource exploration make it a subject of great interest within the field of geology. By continuing to study arkosic wacke and other sedimentary rocks, we deepen our understanding of the Earth and its dynamic systems, paving the way for future discoveries that can benefit both science and society.

沉积岩的研究是地质学的重要组成部分,因为它帮助我们理解地球的历史和塑造我们星球的过程。在各种类型的沉积岩中,arkosic wacke因其独特的成分和形成过程而脱颖而出。arkosic wacke是一种砂岩,含有相当数量的长石,通常超过25%。这种高长石含量使其与其他砂岩区分开来,后者可能具有更高的石英含量。arkosic wacke中长石的存在表明,该岩石是由花岗岩或类似的火成岩的风化形成的,这为我们提供了关于它所处地区地质历史的宝贵见解。arkosic wacke的形成始于花岗岩的物理和化学风化。当这些岩石破裂时,它们释放出长石颗粒以及石英和其他矿物。随后,天然力量如风或水将这些沉积物运输到新的位置,最终在新地点沉降。随着时间的推移,这些沉积物的积累导致沉积层的形成。岩石化过程,包括压实和胶结,将这些松散的沉积物转变为固体岩石。这个过程可能需要数千到数百万年,使得arkosic wacke成为自然力量缓慢但强大过程的见证。arkosic wacke的一个迷人方面是它在理解过去环境中的作用。通过研究这种岩石类型的特征,地质学家可以推断出关于其形成条件的信息。例如,如果某个arkosic wacke样本表现出良好分选的颗粒,这可能表明这些沉积物是在高能环境中沉积的,例如河流或海滩。相反,分选不良的颗粒可能表明低能环境,如泛滥平原或三角洲。这种分析有助于重建古代景观,并提供关于气候变化的线索。此外,arkosic wacke在石油地质学等领域也具有实际意义。这种岩石类型的孔隙度和渗透性可能使其成为碳氢化合物的潜在储层。了解arkosic wacke的分布和特征可以帮助定位石油和天然气储藏,这对能源生产至关重要。因此,研究这种沉积岩不仅丰富了我们对地质过程的知识,还有重要的经济意义。总之,arkosic wacke不仅仅是一种砂岩;它是解锁地球地质过去的关键。其独特的成分、形成过程以及对环境重建和资源勘探的影响,使其成为地质学领域的重要研究对象。通过继续研究arkosic wacke和其他沉积岩,我们加深了对地球及其动态系统的理解,为未来的发现铺平了道路,这些发现可以同时造福科学和社会。