ultrabasic rock

简明释义

超盐基性岩

英英释义

Ultrabasic rock is a type of igneous rock that contains very low amounts of silica (SiO2) and is rich in magnesium and iron.

超基性岩是一种火成岩,含有非常低的二氧化硅(SiO2)含量,并富含镁和铁。

例句

1.In the field study, we collected samples of ultrabasic rock (超基性岩) to analyze their mineral composition.

在野外研究中,我们收集了ultrabasic rock (超基性岩) 的样品以分析其矿物成分。

2.The presence of ultrabasic rock (超基性岩) indicates significant tectonic activity in the region.

存在ultrabasic rock (超基性岩) 表明该地区有显著的构造活动。

3.The ultrabasic rock (超基性岩) formations are often associated with ophiolite complexes.

这些ultrabasic rock (超基性岩) 形成通常与蛇绿岩复合体有关。

4.Researchers found that ultrabasic rock (超基性岩) can host valuable mineral deposits.

研究人员发现,ultrabasic rock (超基性岩) 可以储藏有价值的矿产资源。

5.The geologist explained that ultrabasic rock (超基性岩) is formed from very low silica content.

地质学家解释说,ultrabasic rock (超基性岩) 是由极低的二氧化硅含量形成的。

作文

The study of geology encompasses a wide range of rock types, each with its own unique properties and formation processes. Among these, one particularly intriguing category is known as ultrabasic rock. This term refers to igneous rocks that contain less than 45% silica by weight and are predominantly composed of magnesium and iron-rich minerals. The significance of ultrabasic rock lies not only in its composition but also in its geological implications, particularly in understanding the Earth's mantle and the processes that shape our planet.To delve deeper into the characteristics of ultrabasic rock, it is essential to explore its mineral composition. These rocks are typically rich in olivine, pyroxene, and other ferromagnesian minerals, which contribute to their dark coloration and high density. The presence of these minerals indicates that ultrabasic rock forms under high-temperature and high-pressure conditions, often associated with tectonic plate movements and volcanic activity.One of the most well-known examples of ultrabasic rock is peridotite, which is primarily composed of olivine. Peridotite is commonly found in the Earth's upper mantle and is believed to be a major component of the mantle itself. Studying ultrabasic rock like peridotite provides valuable insights into the composition and behavior of the mantle, as well as the processes that lead to the formation of magma in the Earth’s interior.Moreover, ultrabasic rock plays a crucial role in the field of petrology, which is the study of rocks and their origins. Geologists use these rocks to trace the history of geological formations and to understand the conditions under which they were formed. For instance, the presence of ultrabasic rock in certain regions can indicate past volcanic activity or the interaction between tectonic plates. This information is vital for reconstructing the geological history of an area and for predicting future geological events.In addition to their geological importance, ultrabasic rock also has practical applications. Due to their high resistance to weathering and erosion, these rocks are often used in construction and as a source of industrial minerals. For example, olivine extracted from ultrabasic rock is utilized in various industries, including glass manufacturing and steel production. This highlights the economic value of understanding and studying these unique rock types.Furthermore, the environmental significance of ultrabasic rock cannot be overlooked. These rocks can influence soil chemistry and fertility, as they weather to release essential nutrients into the soil. In some regions, soils derived from ultrabasic rock are particularly rich in magnesium, which can impact local agriculture and vegetation patterns.In conclusion, ultrabasic rock is a fascinating subject within the field of geology that offers insights into the Earth's structure, history, and processes. Its unique mineral composition and formation conditions make it a key player in understanding the dynamics of the Earth's interior. Moreover, the practical applications and environmental implications of ultrabasic rock further underscore its significance. As geologists continue to study these rocks, we gain a deeper appreciation for the complexity of our planet and the forces that shape it.

地质学的研究涵盖了多种岩石类型,每种岩石都有其独特的特性和形成过程。在这些岩石中,有一个特别引人注目的类别被称为超基性岩。这个术语指的是二氧化硅含量低于45%的火成岩,主要由富镁和铁的矿物组成。超基性岩的重要性不仅在于其成分,还在于其地质意义,特别是在理解地球的地幔及塑造我们星球的过程方面。要深入了解超基性岩的特征,必须探讨其矿物成分。这些岩石通常富含橄榄石、辉石和其他铁镁矿物,这些矿物使其呈现深色并具有高密度。这些矿物的存在表明,超基性岩是在高温高压条件下形成的,通常与构造板块运动和火山活动有关。超基性岩最著名的例子之一是橄榄岩,它主要由橄榄石组成。橄榄岩通常发现于地球的上地幔,被认为是地幔的主要成分。研究像橄榄岩这样的超基性岩为我们提供了关于地幔成分和行为的宝贵见解,以及导致地球内部岩浆形成的过程。此外,超基性岩在岩石学领域也发挥着至关重要的作用,岩石学是研究岩石及其起源的学科。地质学家利用这些岩石追踪地质构造的历史,并理解它们形成的条件。例如,某些地区超基性岩的存在可能表明过去的火山活动或构造板块之间的相互作用。这些信息对于重建一个地区的地质历史和预测未来的地质事件至关重要。除了地质重要性,超基性岩还具有实际应用价值。由于其对风化和侵蚀的高抗性,这些岩石常用于建筑和工业矿物的来源。例如,从超基性岩中提取的橄榄石被广泛应用于玻璃制造和钢铁生产等多个行业。这突显了理解和研究这些独特岩石类型的经济价值。此外,超基性岩的环境意义也不可忽视。这些岩石可以影响土壤化学和肥力,因为它们风化后释放出必需的养分到土壤中。在某些地区,由超基性岩衍生的土壤特别富含镁,这可能影响当地农业和植被模式。总之,超基性岩是地质学领域一个迷人的主题,为我们提供了对地球结构、历史和过程的见解。其独特的矿物成分和形成条件使其成为理解地球内部动态的关键角色。此外,超基性岩的实际应用和环境影响进一步强调了其重要性。随着地质学家继续研究这些岩石,我们将更深入地欣赏到我们星球的复杂性及塑造它的力量。