average igneous rock

简明释义

平均火成岩;

英英释义

例句

1.The composition of an average igneous rock 普通火成岩 typically includes minerals like quartz and feldspar.

一种普通火成岩的组成通常包括石英和长石等矿物。

2.When studying the Earth's crust, an average igneous rock 普通火成岩 serves as a baseline for comparison.

在研究地壳时，普通火成岩作为比较的基准。

3.The cooling rate of magma influences the texture of an average igneous rock 普通火成岩.

岩浆的冷却速率影响普通火成岩的质地。

4.Geologists often use the term average igneous rock 普通火成岩 to describe the general characteristics of volcanic rocks.

地质学家常用术语普通火成岩来描述火山岩的一般特征。

5.An average igneous rock 普通火成岩 can be found in many mountain ranges around the world.

在世界许多山脉中都可以找到普通火成岩。

作文

Igneous rocks are one of the three main types of rocks, alongside sedimentary and metamorphic rocks. They are formed through the cooling and solidification of magma or lava. Among these rocks, there exists a category known as average igneous rock, which serves as a benchmark for understanding the characteristics and composition of igneous rocks in general. The term average igneous rock refers to a typical representation of igneous rocks that displays common features found in many varieties. The formation of average igneous rock typically occurs deep within the Earth, where high temperatures and pressures allow magma to crystallize slowly. This process leads to the creation of coarse-grained rocks like granite. Alternatively, when magma erupts onto the surface and cools rapidly, it forms fine-grained rocks such as basalt. The distinction between these two types underscores the diverse nature of igneous rocks, yet average igneous rock helps us categorize and understand them better.In terms of mineral composition, average igneous rock is primarily made up of silicate minerals, which include quartz, feldspar, and mica. These minerals contribute to the rock's overall texture and color. For instance, granite, often used in construction, is an example of an average igneous rock with a light color due to its high quartz and feldspar content. On the other hand, basalt is darker and denser, showcasing the variety that can be found within this category.The study of average igneous rock is crucial for geologists as it provides insights into the Earth's interior processes. By examining the mineral composition and texture of these rocks, scientists can infer the conditions under which they formed. This information not only helps in understanding the geological history of an area but also aids in resource exploration, such as locating valuable minerals and assessing volcanic activity.Moreover, average igneous rock plays a significant role in the ecosystem. Weathering of these rocks contributes to soil formation, which is essential for plant growth. Additionally, the unique properties of igneous rocks influence landscape formation, leading to the development of mountains, valleys, and other geological features. In conclusion, the concept of average igneous rock encapsulates the essential characteristics and significance of igneous rocks. By studying these average examples, we gain a deeper understanding of the complex processes that shape our planet. Whether through their formation, mineral composition, or ecological impact, average igneous rock serves as a fundamental aspect of geological science and our comprehension of Earth's history.

火成岩是三种主要岩石类型之一，另外两种是沉积岩和变质岩。它们是通过岩浆或熔岩的冷却和固化形成的。在这些岩石中，有一类被称为平均火成岩，它作为理解火成岩特征和组成的基准。术语平均火成岩指的是一种典型的火成岩代表，显示出许多种类中常见的特征。平均火成岩的形成通常发生在地球深处，在高温和高压下，岩浆缓慢结晶。这一过程导致粗颗粒岩石如花岗岩的形成。另一方面，当岩浆喷发到地表并迅速冷却时，会形成细颗粒岩石，如玄武岩。两者之间的区别突显了火成岩的多样性，但平均火成岩帮助我们更好地进行分类和理解。在矿物组成方面，平均火成岩主要由硅酸盐矿物构成，包括石英、长石和云母。这些矿物对岩石的整体结构和颜色有重要影响。例如，花岗岩，通常用于建筑，是一种平均火成岩，由于其高含量的石英和长石而呈现浅色。另一方面，玄武岩则较暗且密度大，展示了这一类别中的多样性。对地质学家来说，研究平均火成岩至关重要，因为它提供了地球内部过程的见解。通过检查这些岩石的矿物组成和纹理，科学家可以推断出它们形成时的条件。这些信息不仅有助于理解某个地区的地质历史，还能帮助资源勘探，例如寻找有价值的矿物和评估火山活动。此外，平均火成岩在生态系统中也发挥着重要作用。这些岩石的风化有助于土壤形成，而土壤对于植物生长至关重要。此外，火成岩的独特性质影响着景观的形成，导致山脉、山谷和其他地质特征的发展。总之，平均火成岩的概念概括了火成岩的基本特征和重要性。通过研究这些平均示例，我们对塑造我们星球的复杂过程有了更深刻的理解。无论是通过其形成、矿物组成还是生态影响，平均火成岩都是地质科学和我们理解地球历史的重要基础。