alteration halo

简明释义

蚀变晕;

英英释义

例句

1.The designer incorporated an alteration halo into the garment to enhance its fit.

设计师在服装中加入了alteration halo以增强其合身性。

2.The alteration halo technique allows for flexibility in size adjustments.

这种alteration halo技术允许在尺寸调整上有灵活性。

3.The concept of an alteration halo is crucial for achieving a polished look.

理解alteration halo的概念对于实现精致外观至关重要。

4.When making adjustments, the tailor ensures that the alteration halo is symmetrical.

在进行调整时，裁缝确保alteration halo是对称的。

5.In fashion design, an alteration halo can help create a more flattering silhouette.

在服装设计中，alteration halo可以帮助创造更具修身效果的轮廓。

作文

In the study of geology and mineralogy, the term alteration halo refers to a zone surrounding an intrusive rock body where the original minerals have been altered due to various geological processes. This phenomenon typically occurs when hot fluids, often rich in minerals, circulate through rock formations, causing changes in the mineral composition and texture. The alteration halo can provide valuable insights into the history of the geological environment and the conditions under which the rocks were formed. Understanding these zones is crucial for geologists as they can indicate the presence of valuable minerals or ores, guiding exploration efforts.The formation of an alteration halo usually begins with the intrusion of magma into existing rock formations. As the magma cools and solidifies, it releases hot gases and fluids that interact with the surrounding rock. This interaction leads to chemical reactions that alter the original minerals, resulting in new mineral assemblages. For example, feldspar may be transformed into clay minerals, while quartz might dissolve and re-precipitate as a different form of silica. The extent and type of alteration depend on several factors, including the temperature and pressure of the fluids, the composition of the original rock, and the duration of the interaction.Geologists often use the concept of alteration halo to map areas of potential mineralization. By studying the characteristics of these halos, such as their size, shape, and mineral content, they can make educated predictions about the types of minerals that may be found nearby. For instance, an alteration halo rich in copper minerals may indicate the presence of a copper deposit, making it a prime target for mining companies. Additionally, understanding the spatial distribution of these halos can help geologists assess the economic viability of a mining project.Moreover, alteration halo studies are not limited to economic geology; they also play a significant role in environmental geology. By examining the alterations in mineralogy, scientists can gain insights into past environmental conditions and how they have changed over time. This information is vital for understanding the impacts of climate change and human activities on geological formations.In conclusion, the concept of alteration halo is essential for both economic and environmental geology. It provides a framework for understanding how geological processes affect mineral composition and distribution. By studying these alteration zones, geologists can uncover valuable resources and gain a deeper understanding of Earth's dynamic systems. The ongoing research in this field continues to highlight the importance of alteration halo in shaping our knowledge of geology and its applications in various industries.

在地质学和矿物学研究中，术语alteration halo指的是围绕侵入岩体的区域，在这个区域内，原始矿物因各种地质过程而发生了变化。这种现象通常发生在热流体（通常富含矿物）通过岩石形成循环时，导致矿物成分和纹理的变化。alteration halo可以为地质环境的历史及岩石形成所处的条件提供宝贵的见解。了解这些区域对于地质学家至关重要，因为它们可以表明有价值的矿物或矿石的存在，从而指导勘探工作。alteration halo的形成通常始于岩浆侵入现有的岩石形成。当岩浆冷却并固化时，它会释放出与周围岩石相互作用的热气体和流体。这种相互作用导致化学反应，改变原始矿物，从而产生新的矿物组合。例如，长石可能转变为粘土矿物，而石英可能溶解并重新沉淀为不同形式的二氧化硅。改变的程度和类型取决于多个因素，包括流体的温度和压力、原始岩石的组成以及相互作用的持续时间。地质学家通常利用alteration halo的概念来绘制潜在矿化区域的地图。通过研究这些光环的特征，如大小、形状和矿物含量，他们可以对附近可能发现的矿物类型做出有根据的预测。例如，富含铜矿物的alteration halo可能表明附近存在铜矿床，因此成为采矿公司的主要目标。此外，了解这些光环的空间分布可以帮助地质学家评估采矿项目的经济可行性。此外，alteration halo研究不仅限于经济地质学；它们在环境地质学中也发挥着重要作用。通过检查矿物学的变化，科学家可以深入了解过去的环境条件及其如何随时间变化。这些信息对于理解气候变化和人类活动对地质形成的影响至关重要。总之，alteration halo的概念对于经济地质学和环境地质学都是必不可少的。它提供了一个框架，以理解地质过程如何影响矿物的组成和分布。通过研究这些变化区域，地质学家可以发现有价值的资源，并更深入地了解地球的动态系统。该领域的持续研究继续强调alteration halo在塑造我们对地质学及其在各个行业应用方面的重要性。