metamorphism

简明释义

英[ˌmetəˈmɔːfɪzəm]美[metəˈmɔrfɪzm]

n. 变质；变形；变态

英英释义

单词用法

同义词

反义词

例句

1.The eclogite remains well its original characteristics, which has only suffered slight retrogressive metamorphism.

榴辉岩原始特征保存完好，仅遭受轻微的退变质作用和叠加变质作用。

2.The existence of phengites in the metamorphic siliceous rock indicates that it was formed through middle-high pressure metamorphism.

岩石中多硅白云母的存在显示其曾经受了中-高压的变质作用。

3.Put your love in the freezer, just to it not so fast metamorphism.

把你的爱放进冷藏室里，只为了它不要那么快变质。

4.Dynamical metamorphism under greenschist facies is the condition of mineralizing enrichment.

绿片岩相以下的动力变质作用是矿化富集的条件。

5.The existence of phengites in the metamorphic siliceous rock indicates that it was formed through middle-high pressure metamorphism.

岩石中多硅白云母的存在显示其曾经受了中-高压的变质作用。

6.The regional metamorphism made the gold activated.

区域变质作用使金活化。

7.Many that remain are poorly preserved because the probability of destructive deformation or metamorphism increases with age.

由于变形或变质作用随时间增加概率大大增加，许多现存的遗迹状况欠佳。

8.The concept of metamorphism 变质作用 is essential in the field of petrology.

在岩石学领域，metamorphism 变质作用的概念是必不可少的。

9.Geologists analyze the effects of metamorphism 变质作用 on mineral composition to determine the history of a region.

地质学家分析metamorphism 变质作用对矿物成分的影响，以确定一个地区的历史。

10.Understanding metamorphism 变质作用 is crucial for predicting the behavior of rocks during tectonic movements.

理解metamorphism 变质作用对于预测岩石在构造运动中的行为至关重要。

11.The heat and pressure involved in metamorphism 变质作用 can create new minerals not found in the original rock.

在metamorphism 变质作用中所涉及的热量和压力可以产生原始岩石中不存在的新矿物。

12.The study of rock formation often involves understanding the process of metamorphism 变质作用 that transforms existing rocks.

岩石形成的研究通常涉及理解将现有岩石转变的过程，即metamorphism 变质作用。

作文

Metamorphism is a fascinating geological process that transforms existing rocks into new forms through heat, pressure, and chemical reactions. This process illustrates the dynamic nature of our planet and provides insight into its history. Understanding metamorphism (变质作用) not only enhances our knowledge of geology but also helps us appreciate the beauty and complexity of the Earth’s crust.The study of metamorphism (变质作用) begins with the recognition that rocks are not static entities; they are subject to change over time. There are three main types of rocks: igneous, sedimentary, and metamorphic. While igneous rocks form from cooled magma and sedimentary rocks develop from the accumulation of sediments, metamorphic rocks arise from the alteration of these pre-existing rocks. The conditions under which metamorphism (变质作用) occurs can vary greatly, leading to a wide range of metamorphic rocks, each with unique characteristics.One of the key factors in metamorphism (变质作用) is temperature. As rocks are buried deeper within the Earth, they are subjected to increasing temperatures. This heat can cause minerals within the rocks to recrystallize, forming new minerals that are stable at higher temperatures. For example, shale, a sedimentary rock, can transform into schist, a metamorphic rock, under high-temperature conditions. This transformation showcases the incredible changes that can occur due to thermal energy.Pressure is another critical factor in the metamorphism (变质作用) process. As rocks are subjected to increased pressure, typically from overlying materials, their physical structure can change. This pressure can lead to foliation, where minerals align in response to the stress, resulting in a layered appearance. Gneiss, for instance, is a metamorphic rock that exhibits this foliation, reflecting the intense pressure it experienced during its formation.Chemical reactions also play a significant role in metamorphism (变质作用). Fluids present in the rock can facilitate the movement of ions, leading to the alteration of mineral compositions. This hydrothermal metamorphism (变质作用) can occur when hot, chemically active fluids circulate through the rocks, causing them to change. An excellent example of this is the transformation of limestone into marble, which involves both heat and the presence of fluids that alter the mineral structure.The implications of metamorphism (变质作用) extend beyond just the formation of new rocks. It plays a crucial role in the rock cycle, contributing to the recycling of materials within the Earth’s crust. By understanding metamorphism (变质作用), geologists can interpret the geological history of an area, revealing past tectonic activities and environmental conditions.In addition to its scientific significance, metamorphism (变质作用) has aesthetic value. Many metamorphic rocks, such as marble and slate, are prized for their beauty and durability, making them popular choices for construction and art. The intricate patterns and colors found in these rocks are a testament to the complex processes that shaped them.In conclusion, metamorphism (变质作用) is a vital geological process that transforms rocks through heat, pressure, and chemical reactions. Its study not only deepens our understanding of the Earth’s structure and history but also highlights the remarkable transformations that occur beneath our feet. As we continue to explore and learn about metamorphism (变质作用), we gain a greater appreciation for the intricate workings of our planet and the materials that compose it.

变质作用是一个迷人的地质过程，通过热、压力和化学反应将现有的岩石转变为新形式。这个过程展示了我们星球的动态特性，并提供了对其历史的洞察。理解metamorphism（变质作用）不仅增强了我们对地质学的知识，还帮助我们欣赏地球地壳的美丽和复杂性。对metamorphism（变质作用）的研究始于认识到岩石并不是静态的实体；它们会随着时间的推移而变化。岩石主要分为三种类型：火成岩、沉积岩和变质岩。火成岩由冷却的岩浆形成，沉积岩则由沉积物的堆积发展而来，而变质岩则源于这些先存岩石的改变。metamorphism（变质作用）发生的条件可以大相径庭，导致各种变质岩的形成，每种岩石都有独特的特征。在metamorphism（变质作用）过程中，温度是一个关键因素。随着岩石在地球内部被埋得更深，它们会受到越来越高的温度的影响。这种热量可以导致岩石内部的矿物重新结晶，形成在高温下稳定的新矿物。例如，页岩作为一种沉积岩，在高温条件下可以转变为片麻岩，这一转变展示了由于热能引起的惊人变化。压力是metamorphism（变质作用）过程中的另一个关键因素。当岩石受到来自上方材料的增加压力时，它们的物理结构可能会发生变化。这种压力可以导致层理现象，其中矿物在应力的作用下排列，从而产生分层的外观。例如，片麻岩是一种表现出这种层理的变质岩，反映了它在形成过程中经历的强烈压力。化学反应也在metamorphism（变质作用）中发挥重要作用。存在于岩石中的流体可以促进离子的移动，从而导致矿物成分的改变。这种热液metamorphism（变质作用）可以发生在热的、化学活跃的流体在岩石中循环时，导致它们发生变化。一个很好的例子是石灰岩转变为大理石的过程，这一过程涉及热量和改变矿物结构的流体的存在。metamorphism（变质作用）的意义不仅限于新岩石的形成。它在岩石循环中发挥着至关重要的作用，有助于地球地壳内材料的回收。通过理解metamorphism（变质作用），地质学家可以解读一个地区的地质历史，揭示过去的构造活动和环境条件。除了科学意义外，metamorphism（变质作用）还具有美学价值。许多变质岩，如大理石和板岩，以其美丽和耐用性而受到珍视，成为建筑和艺术的热门选择。这些岩石中复杂的图案和颜色是塑造它们的复杂过程的见证。总之，metamorphism（变质作用）是一个重要的地质过程，通过热、压力和化学反应转变岩石。它的研究不仅加深了我们对地球结构和历史的理解，还突显了我们脚下发生的显著变化。随着我们继续探索和学习metamorphism（变质作用），我们对我们星球的复杂运作和构成材料的欣赏将会加深。