acicular blastic texture

简明释义

针状变晶结构;

英英释义

例句

1.The acicular blastic texture of the mineral gives it a unique aesthetic appeal.

该矿物的针状晶体结构赋予了它独特的美学吸引力。

2.The presence of acicular blastic texture in this specimen suggests a volcanic origin.

该标本中存在的针状晶体结构表明其火山起源。

3.In petrology, identifying acicular blastic texture can help classify metamorphic rocks.

在岩石学中，识别针状晶体结构可以帮助分类变质岩。

4.The mineral sample displayed an acicular blastic texture, indicating its rapid crystallization process.

该矿物样本显示出针状晶体结构，表明其快速结晶过程。

5.Geologists often analyze the acicular blastic texture of rocks to determine their formation conditions.

地质学家经常分析岩石的针状晶体结构以确定其形成条件。

作文

In the study of geology and mineralogy, understanding various textures of rocks and minerals is crucial for identification and classification. One such texture that often comes up in discussions among geologists is the acicular blastic texture. This term describes a specific appearance in certain igneous and metamorphic rocks where elongated, needle-like crystals are embedded within a more homogeneous matrix. The word 'acicular' itself derives from the Latin word 'acicula,' meaning 'little needle,' which aptly describes the shape of these crystals. On the other hand, 'blastic' refers to the crystalline nature of the texture, indicating that the minerals have grown or crystallized from a molten state or through metamorphic processes.The presence of acicular blastic texture can indicate specific conditions under which the rock was formed. For instance, this texture is commonly associated with volcanic rocks, where rapid cooling leads to the formation of elongated crystals. These needle-like structures can provide valuable information about the cooling rates and chemical composition of the magma from which the rock originated. Furthermore, in metamorphic rocks, the acicular blastic texture may reveal insights into the temperature and pressure conditions during metamorphism, as well as the fluid interactions that occurred within the rock.When examining rocks with acicular blastic texture, geologists often look for specific minerals that typically exhibit this texture. For example, minerals such as amphibole and pyroxene can frequently appear in this form. The identification of these minerals within the context of their texture can help in determining the geological history of the area. Additionally, the acicular blastic texture can influence the physical properties of the rock, including its strength and permeability, which are important factors in construction and resource extraction.In practical applications, recognizing the acicular blastic texture can also be beneficial for industries such as mining and civil engineering. For instance, when planning a construction project, understanding the properties of the rock being excavated can inform decisions about stability and support structures. Similarly, in mining, identifying rocks with this texture can lead to more efficient extraction methods, as the needle-like crystals may indicate specific mineral deposits.In conclusion, the acicular blastic texture is more than just a descriptive term; it is a key indicator of geological processes and conditions. By studying this texture, geologists can uncover the history of the Earth's crust, understand the formation of various minerals, and apply this knowledge in practical ways that benefit society. Whether one is a student, a professional geologist, or simply an enthusiast of the natural world, appreciating the significance of acicular blastic texture enriches our understanding of the complex and dynamic processes that shape our planet.

在地质学和矿物学的研究中，理解岩石和矿物的各种纹理对于识别和分类至关重要。其中一个常常出现在地质学家讨论中的纹理是针状晶体结构。这个术语描述了某些火成岩和变质岩中特定的外观，其中细长的针状晶体嵌入在更均匀的基质中。‘针状’这个词本身源于拉丁语单词‘acicula’，意为‘小针’，这恰好描述了这些晶体的形状。另一方面，‘晶体’指的是纹理的结晶性质，表明矿物是从熔融状态或通过变质过程生长或结晶而来的。针状晶体结构的存在可以指示岩石形成时特定的条件。例如，这种纹理通常与火山岩相关联，快速冷却导致细长晶体的形成。这些针状结构可以提供有关岩浆来源的冷却速率和化学成分的宝贵信息。此外，在变质岩中，针状晶体结构可能揭示出变质过程中温度和压力条件的见解，以及岩石内部发生的流体相互作用。在检查具有针状晶体结构的岩石时，地质学家通常会寻找典型表现这种纹理的特定矿物。例如，矿物如角闪石和辉石通常以这种形式出现。在纹理的背景下识别这些矿物有助于确定该地区的地质历史。此外，针状晶体结构还可以影响岩石的物理性质，包括强度和渗透性，这些都是建筑和资源开采的重要因素。在实际应用中，识别针状晶体结构也对采矿和土木工程等行业有益。例如，在规划建设项目时，了解被挖掘岩石的性质可以为稳定性和支撑结构的决策提供信息。同样，在采矿中，识别具有这种纹理的岩石可以导致更有效的开采方法，因为针状晶体可能指示特定的矿物沉积。总之，针状晶体结构不仅仅是一个描述性术语；它是地质过程和条件的关键指标。通过研究这种纹理，地质学家可以揭示地球地壳的历史，理解各种矿物的形成，并以对社会有益的方式应用这些知识。无论是学生、专业地质学家，还是自然世界的爱好者，欣赏针状晶体结构的意义都丰富了我们对塑造我们星球的复杂和动态过程的理解。