aplitic

简明释义

英[æpˈlɪtɪk]美[æpˈlɪtɪk]

adj. 细晶状的

英英释义

单词用法

同义词

反义词

例句

1.Aplitic varieties are the rule, with the grain size ranging from medium to pegmatitic.

长 英 质 的变种照例具有中等至伟晶的粒度。

2.Aplitic varieties are the rule, with the grain size ranging from medium to pegmatitic.

长 英 质 的变种照例具有中等至伟晶的粒度。

3.The geologist identified the rock as aplitic 细粒的 due to its fine-grained texture.

地质学家根据其细粒的纹理将这块岩石识别为aplitic 细粒的。

4.The aplitic 细粒的 nature of the rock made it easier to carve and shape.

这块岩石的aplitic 细粒的特性使得雕刻和塑形变得更加容易。

5.The aplitic 细粒的 phase of the granite was crucial for the formation of the larger crystals.

花岗岩的aplitic 细粒的相位对大晶体的形成至关重要。

6.During the field trip, we encountered several aplitic 细粒的 dikes that intruded into the surrounding rock.

在实地考察中，我们遇到了几条侵入周围岩石的aplitic 细粒的岩脉。

7.In the laboratory, we studied the aplitic 细粒的 samples to understand their mineral composition.

在实验室里，我们研究了这些aplitic 细粒的样本，以了解它们的矿物成分。

作文

The term aplitic refers to a specific type of igneous rock texture that is characterized by the absence of visible crystals. This geological phenomenon occurs when magma cools rapidly, preventing the formation of large mineral crystals. Understanding the concept of aplitic textures can provide valuable insights into the conditions under which certain igneous rocks are formed. In this essay, I will explore the significance of aplitic rocks in geology and their implications for understanding volcanic activity and the Earth's crust.To begin with, aplitic rocks are often found in areas where volcanic activity has occurred. When magma erupts onto the Earth's surface, it can cool quickly due to exposure to the atmosphere or water. This rapid cooling results in a fine-grained texture, commonly referred to as aplitic. These rocks are typically light-colored and may consist of minerals such as quartz and feldspar. The study of aplitic rocks is essential for geologists as it helps them understand the history of volcanic eruptions and the composition of the Earth's crust.One of the most significant aspects of aplitic rocks is their role in the formation of larger igneous bodies. For instance, when magma rises through the Earth's crust but does not erupt, it can cool slowly, allowing for the formation of larger crystals. However, if the magma is expelled rapidly during an explosive eruption, it can lead to the production of aplitic rocks. This relationship between the cooling rate of magma and the crystal size is crucial for geologists who seek to reconstruct past volcanic events.Moreover, aplitic textures can also provide clues about the chemical composition of the magma from which they originated. The presence of specific minerals within aplitic rocks can indicate the conditions under which the magma was formed, including temperature, pressure, and the presence of volatiles. By analyzing these rocks, scientists can gain a better understanding of the processes that shape our planet and the potential hazards associated with volcanic activity.In addition to their geological significance, aplitic rocks can also have economic implications. Some aplitic formations may contain valuable minerals, making them important targets for mining and resource extraction. Understanding the distribution and characteristics of aplitic rocks can aid in the identification of new resource deposits, contributing to the economy and technological advancement.In conclusion, the term aplitic encompasses more than just a technical definition; it represents a vital aspect of geological study. By examining aplitic rocks, scientists can uncover the history of volcanic activity, infer the conditions of magma formation, and potentially identify valuable resources. The study of these unique rock types not only enhances our understanding of the Earth’s geological processes but also underscores the importance of geology in various practical applications. As we continue to explore the complexities of our planet, the knowledge gained from aplitic rocks will undoubtedly play a critical role in shaping our understanding of Earth’s dynamic systems.

术语aplitic指的是一种特定类型的火成岩纹理，其特征是缺乏可见晶体。这种地质现象发生在岩浆迅速冷却时，阻止了大型矿物晶体的形成。理解aplitic纹理的概念可以为我们提供有关某些火成岩形成条件的宝贵见解。在这篇文章中，我将探讨aplitic岩石在地质学中的重要性及其对理解火山活动和地壳的影响。首先，aplitic岩石通常出现在火山活动发生的地区。当岩浆喷发到地球表面时，由于暴露于大气或水中，它可以迅速冷却。这种快速冷却导致细粒纹理，通常称为aplitic。这些岩石通常呈浅色，可能由石英和长石等矿物组成。研究aplitic岩石对地质学家至关重要，因为它帮助他们理解火山喷发的历史和地壳的组成。aplitic岩石最显著的方面之一是它们在较大火成体形成中的作用。例如，当岩浆通过地壳上升但未喷发时，它可以缓慢冷却，从而形成较大的晶体。然而，如果岩浆在爆炸性喷发过程中迅速排出，则可能导致aplitic岩石的产生。这种岩浆冷却速率与晶体大小之间的关系对于寻求重建过去火山事件的地质学家至关重要。此外，aplitic纹理还可以为我们提供关于其来源岩浆的化学组成的线索。特定矿物在aplitic岩石中的存在可以指示岩浆形成的条件，包括温度、压力和挥发物的存在。通过分析这些岩石，科学家可以更好地理解塑造我们星球的过程以及与火山活动相关的潜在危险。除了地质意义外，aplitic岩石还可能具有经济意义。一些aplitic地层可能含有宝贵的矿物，使其成为采矿和资源开采的重要目标。了解aplitic岩石的分布和特征可以帮助识别新的资源储备，有助于经济和技术进步。总之，术语aplitic不仅仅包含一个技术定义；它代表了地质研究中的一个重要方面。通过检查aplitic岩石，科学家可以揭示火山活动的历史，推断岩浆形成的条件，并潜在地识别有价值的资源。这些独特岩石类型的研究不仅增强了我们对地球地质过程的理解，还强调了地质学在各种实际应用中的重要性。随着我们继续探索我们星球的复杂性，从aplitic岩石中获得的知识无疑将在塑造我们对地球动态系统的理解中发挥关键作用。