alkali granite porphyry

简明释义

碱性花岗斑岩;

英英释义

Alkali granite porphyry is a type of intrusive igneous rock characterized by a high content of alkali feldspar and large, well-formed crystals (phenocrysts) embedded in a finer-grained matrix.

碱性花岗岩斑岩是一种侵入性火成岩,具有高含量的碱长石,并且在较细颗粒基质中嵌有大型、形状良好的晶体(斑晶)。

例句

1.Samples of alkali granite porphyry 碱性花岗岩斑岩 were collected for further analysis in the laboratory.

收集了alkali granite porphyry 碱性花岗岩斑岩的样本以便在实验室进行进一步分析。

2.The geological survey revealed that the region is rich in alkali granite porphyry 碱性花岗岩斑岩, which may indicate potential mineral deposits.

地质调查显示该地区富含alkali granite porphyry 碱性花岗岩斑岩,这可能表明存在潜在的矿藏。

3.The mineral composition of alkali granite porphyry 碱性花岗岩斑岩 includes feldspar and quartz, making it a fascinating subject for petrological studies.

alkali granite porphyry 碱性花岗岩斑岩的矿物成分包括长石和石英,使其成为岩石学研究的一个有趣课题。

4.The unique texture of alkali granite porphyry 碱性花岗岩斑岩 makes it a popular choice for decorative stone in architecture.

由于其独特的纹理,alkali granite porphyry 碱性花岗岩斑岩成为建筑装饰石材的热门选择。

5.During the field trip, we encountered large outcrops of alkali granite porphyry 碱性花岗岩斑岩 that provided insights into the area's geological history.

在实地考察中,我们遇到了大型的alkali granite porphyry 碱性花岗岩斑岩露头,这为了解该地区的地质历史提供了线索。

作文

Understanding the geological term alkali granite porphyry is essential for anyone interested in geology or the study of igneous rocks. Geology, as a science, helps us comprehend the Earth's structure, composition, and the processes that have shaped its surface over millions of years. Among the various types of igneous rocks, alkali granite porphyry stands out due to its unique characteristics and formation processes. This type of rock is primarily composed of quartz, feldspar, and mica, with a significant presence of alkali elements such as sodium and potassium. The term 'porphyry' refers to the texture of the rock, which is characterized by large crystals embedded in a finer-grained matrix. This texture is notable because it indicates a complex cooling history where the magma cooled slowly at first, allowing larger crystals to form, before being erupted and cooled rapidly at the surface, resulting in the smaller crystals. The formation of alkali granite porphyry is typically associated with tectonic activity, particularly in areas where continental crust is being uplifted or where volcanic activity occurs. These environments create conditions conducive to the formation of granitic magmas, which are rich in silica and alkali metals. Understanding these geological settings can provide insights into the Earth's history and the processes that lead to the formation of various rock types. Moreover, alkali granite porphyry has significant implications in economic geology. Many mineral deposits, including those of copper, gold, and other valuable metals, are found in association with porphyry systems. The presence of these minerals often makes alkali granite porphyry a target for mining exploration. As such, geologists and mining companies pay close attention to this type of rock, as it can indicate the potential for economically viable mineral resources. In addition to its economic importance, alkali granite porphyry also plays a role in understanding the environment and climate changes over geological time scales. The study of these rocks can reveal information about past volcanic activity, the composition of the Earth's atmosphere, and even the conditions under which these rocks formed. By analyzing the mineral content and isotopic composition of alkali granite porphyry, scientists can infer details about the magma's source, the temperature and pressure conditions during its formation, and the tectonic setting at the time. In conclusion, the term alkali granite porphyry encompasses much more than just a specific type of rock; it represents a critical aspect of geological study that connects the Earth’s processes, mineral resources, and environmental history. For students and professionals in geology, mastering the knowledge surrounding alkali granite porphyry is vital, as it serves as a gateway to understanding broader geological concepts and their implications. By studying this rock type, we not only learn about the materials that make up our planet but also gain insight into the dynamic processes that continue to shape the Earth today.

理解地质术语碱性花岗岩斑岩对于任何对地质学或火成岩研究感兴趣的人来说都是至关重要的。作为一门科学,地质学帮助我们理解地球的结构、组成以及数百万年来塑造其表面的过程。在各种类型的火成岩中,碱性花岗岩斑岩由于其独特的特征和形成过程而脱颖而出。这种岩石主要由石英、长石和云母组成,含有显著的碱金属元素,如钠和钾。“斑岩”一词指的是岩石的纹理,其特点是大晶体嵌入在细粒基质中。这种纹理值得注意,因为它表明了一个复杂的冷却历史,在这个过程中,岩浆最初缓慢冷却,使得较大的晶体形成,然后被喷发并迅速在表面冷却,导致较小晶体的形成。碱性花岗岩斑岩的形成通常与构造活动有关,特别是在大陆地壳被抬升或火山活动发生的地区。这些环境创造了形成富含二氧化硅和碱金属的花岗岩岩浆的条件。理解这些地质环境可以为我们提供关于地球历史和各种岩石类型形成过程的见解。此外,碱性花岗岩斑岩在经济地质学中具有重要意义。许多矿产资源,包括铜、金和其他有价值的金属,通常与斑岩系统相关联。这些矿物的存在使得碱性花岗岩斑岩成为矿业勘探的目标。因此,地质学家和矿业公司密切关注这种类型的岩石,因为它可以指示经济上可行的矿产资源的潜力。除了经济重要性,碱性花岗岩斑岩在理解地质时间尺度上的环境和气候变化方面也起着作用。这些岩石的研究可以揭示有关过去火山活动、地球大气组成甚至这些岩石形成时条件的信息。通过分析碱性花岗岩斑岩的矿物成分和同位素组成,科学家可以推断出关于岩浆源、形成时的温度和压力条件以及当时构造背景的细节。总之,术语碱性花岗岩斑岩不仅仅涵盖了一种特定类型的岩石;它代表了地质研究的一个关键方面,连接了地球的过程、矿产资源和环境历史。对于地质学的学生和专业人士来说,掌握围绕碱性花岗岩斑岩的知识是至关重要的,因为它作为理解更广泛地质概念及其影响的门户。通过研究这种岩石类型,我们不仅了解构成我们星球的材料,还获得了对继续塑造今天地球的动态过程的洞察。

相关单词

alkali

alkali详解:怎么读、什么意思、用法

granite

granite详解:怎么读、什么意思、用法

porphyry

porphyry详解:怎么读、什么意思、用法