holocrystalline

简明释义

英[ˌhɒləˈkrɪstəˌlaɪn]美[hɑːloʊˈkrɪstəlaɪn]

adj. [岩] 全晶质的，全晶的

英英释义

单词用法

同义词

反义词

例句

1.The holocrystalline porphyritic olivine basalts and pyroclastic rocks are the components of Pleistocene to recent volcanic activities.

完整的斑状斑状橄榄石玄武岩和火山碎屑岩是最近火山活动的更新世的组成部分。

2.The holocrystalline porphyritic olivine basalts and pyroclastic rocks are the components of Pleistocene to recent volcanic activities.

完整的斑状斑状橄榄石玄武岩和火山碎屑岩是最近火山活动的更新世的组成部分。

3.Researchers found that the holocrystalline 全晶体的 nature of the rock contributed to its durability.

研究人员发现，该岩石的holocrystalline 全晶体的 特性使其更加耐用。

4.The geologist identified the rock as holocrystalline 全晶体的 based on its uniform texture.

地质学家根据其均匀的纹理将这块岩石鉴定为holocrystalline 全晶体的。

5.The sample was confirmed to be holocrystalline 全晶体的, showing no signs of glassy texture.

样本被确认是holocrystalline 全晶体的，没有玻璃状纹理的迹象。

6.In the study of igneous rocks, holocrystalline 全晶体的 textures indicate a slow cooling process.

在对火成岩的研究中，holocrystalline 全晶体的 纹理表明冷却过程缓慢。

7.Many granites are classified as holocrystalline 全晶体的 due to their interlocking mineral grains.

许多花岗岩被归类为holocrystalline 全晶体的，因为它们的矿物颗粒相互交错。

作文

In the world of geology and mineralogy, the term holocrystalline refers to a specific type of crystalline structure found in igneous rocks. Understanding this concept is crucial for geologists and those interested in the study of Earth's materials. A rock is considered holocrystalline when it is composed entirely of crystals that are interlocking and fully crystalline in nature, meaning there are no glassy or amorphous components present. This characteristic distinguishes holocrystalline rocks from other types, such as porphyritic rocks, which may contain both crystalline and non-crystalline phases.The process of formation for holocrystalline rocks typically involves slow cooling of magma beneath the Earth's surface. As the molten rock cools, various minerals crystallize out of the liquid phase at different temperatures. The result is a rock that is entirely made up of these interlocking crystals, exhibiting a texture that can range from fine-grained to coarse-grained depending on the rate of cooling. For example, granite is a common holocrystalline rock that consists primarily of quartz, feldspar, and mica. Its coarse-grained texture allows for the individual crystals to be seen with the naked eye, making it a popular choice for countertops and architectural features.In contrast, rocks that are not holocrystalline, like obsidian, are formed when lava cools rapidly, resulting in a glass-like texture without any crystal structure. This distinction is significant for understanding the geological history of an area, as the presence of holocrystalline rocks can indicate a history of slow cooling and crystallization, while non-crystalline rocks suggest rapid cooling processes.Moreover, the study of holocrystalline rocks helps scientists understand the conditions under which these rocks formed. For instance, variations in mineral composition and crystal size can provide insights into the temperature and pressure conditions during the rock's formation. Additionally, the presence of certain minerals within holocrystalline rocks can be indicative of specific geological environments, such as subduction zones or continental crust formation.The importance of holocrystalline rocks extends beyond academic interest; they play a vital role in various practical applications. For example, the durability and aesthetic appeal of granite make it a favored material in construction and design. Furthermore, understanding the properties of holocrystalline rocks can aid in resource exploration, as certain minerals found within these rocks may be valuable for mining operations.In conclusion, the term holocrystalline encapsulates a fundamental aspect of geology, describing rocks that are entirely composed of interlocking crystals. This classification not only aids in the identification and study of rocks but also informs us about the geological processes that shape our planet. By exploring the characteristics and implications of holocrystalline rocks, we gain a deeper appreciation for the complexity and beauty of Earth’s geological history.

在地质学和矿物学的世界中，术语holocrystalline指的是一种特定类型的晶体结构，存在于火成岩中。理解这个概念对地质学家和那些对地球材料研究感兴趣的人至关重要。当一块岩石完全由相互锁定的晶体组成，并且没有玻璃状或非晶态部分时，它被认为是holocrystalline的。这一特征将holocrystalline岩石与其他类型区分开来，例如斑状岩，这些岩石可能同时包含晶体和非晶相。holocrystalline岩石的形成过程通常涉及在地球表面下缓慢冷却的岩浆。当熔融岩石冷却时，各种矿物在不同温度下从液相中结晶出来。最终形成的岩石完全由这些相互锁定的晶体组成，其纹理可以根据冷却速度的快慢而变化，从细粒到粗粒。例如，花岗岩是一种常见的holocrystalline岩石，主要由石英、长石和云母组成。其粗粒的纹理使得个别晶体能够用肉眼看到，使其成为台面和建筑特征的热门选择。相比之下，那些不是holocrystalline的岩石，如黑曜石，是在熔岩快速冷却时形成的，导致其具有玻璃状的纹理，没有任何晶体结构。这一区别对于理解一个地区的地质历史非常重要，因为holocrystalline岩石的存在可能表明慢速冷却和结晶的历史，而非晶体岩石则暗示快速冷却过程。此外，holocrystalline岩石的研究帮助科学家了解这些岩石形成时的条件。例如，矿物成分和晶体大小的变化可以提供关于岩石形成过程中温度和压力条件的洞察。此外，某些矿物在holocrystalline岩石中的存在可能指示特定的地质环境，如俯冲带或大陆地壳形成。holocrystalline岩石的重要性超越了学术兴趣；它们在各种实际应用中发挥着重要作用。例如，花岗岩的耐用性和美观使其成为建筑和设计中的首选材料。此外，理解holocrystalline岩石的特性可以帮助资源勘探，因为这些岩石中发现的某些矿物可能对采矿作业具有重要价值。总之，术语holocrystalline概括了地质学的一个基本方面，描述了完全由相互锁定的晶体组成的岩石。这一分类不仅有助于岩石的识别和研究，还告知我们塑造地球的地质过程。通过探索holocrystalline岩石的特征和影响，我们对地球复杂而美丽的地质历史有了更深刻的认识。