agmattic gneiss

简明释义

角砾混合片麻岩;

英英释义

Agmatitic gneiss is a type of metamorphic rock characterized by its banded texture and composition that includes agmatite, which consists of angular fragments of granitic or other rocks within a finer-grained matrix.

阿格玛提克片麻岩是一种变质岩,具有带状纹理和成分特征,包括阿格玛提岩,后者由花岗岩或其他岩石的角状碎片和较细颗粒基质组成。

例句

1.The geological survey revealed that the area was primarily composed of agmattic gneiss 变质花岗岩, which is known for its unique mineral composition.

地质调查显示该地区主要由agmattic gneiss 变质花岗岩组成,因其独特的矿物成分而闻名。

2.During our hike, we stumbled upon a large outcrop of agmattic gneiss 变质花岗岩 that provided a stunning view of the valley below.

在我们的徒步旅行中,我们偶然发现了一块大型的agmattic gneiss 变质花岗岩露头,提供了下面山谷的壮丽景色。

3.Researchers are studying the formation processes of agmattic gneiss 变质花岗岩 to better understand regional metamorphism.

研究人员正在研究agmattic gneiss 变质花岗岩的形成过程,以更好地理解区域变质作用。

4.In petrology, agmattic gneiss 变质花岗岩 is often examined for its foliation and banding patterns.

在岩石学中,agmattic gneiss 变质花岗岩常常因其层理和条带状纹理而受到研究。

5.The construction team had to adjust their plans due to the presence of agmattic gneiss 变质花岗岩 in the foundation area.

由于基础区域存在agmattic gneiss 变质花岗岩,施工团队不得不调整他们的计划。

作文

The study of geology offers fascinating insights into the composition and formation of the Earth's crust. Among the various types of rocks that geologists encounter, agmattic gneiss is particularly interesting due to its unique characteristics and formation process. agmattic gneiss (阿尔马特变质岩) is a type of metamorphic rock that originates from the alteration of granitic rocks under high pressure and temperature conditions. This transformation occurs deep within the Earth's crust, where intense geological forces reshape the original granite into a more complex structure.One of the defining features of agmattic gneiss is its banded appearance, which results from the segregation of mineral components during the metamorphic process. The alternating light and dark bands are primarily composed of quartz, feldspar, and biotite, giving the rock a striking visual contrast. Geologists often study these bands to understand the conditions under which the rock was formed, as well as the tectonic processes that contributed to its development.The formation of agmattic gneiss typically involves a process known as regional metamorphism, which occurs over large areas under significant tectonic stress. This process can be associated with mountain-building events, where continental plates collide, leading to increased pressure and temperature. As a result, the original granite, which is relatively soft and granular, undergoes a transformation into a much harder and more durable rock. This makes agmattic gneiss an important material in construction and landscaping, as it is resistant to weathering and erosion.In addition to its practical applications, agmattic gneiss also serves as a valuable indicator of geological history. By examining the mineral composition and texture of this rock, scientists can infer the conditions of the Earth's crust at the time of its formation. This information helps geologists reconstruct past environments and understand the dynamic processes that have shaped our planet over millions of years.Furthermore, the study of agmattic gneiss contributes to our understanding of metamorphic processes in general. It highlights the intricate relationships between temperature, pressure, and the chemical composition of rocks. As researchers continue to explore these relationships, they gain deeper insights into the Earth's geological history and the mechanisms that drive its evolution.In conclusion, agmattic gneiss is more than just a type of rock; it is a window into the Earth's past and a testament to the powerful forces that shape our planet. Through the study of this fascinating metamorphic rock, we can appreciate the complexity of geological processes and their impact on the world around us. Whether for academic research or practical applications, understanding agmattic gneiss enriches our knowledge of geology and the natural world.

地质学的研究为我们提供了关于地壳成分和形成过程的迷人见解。在地质学家遇到的各种岩石类型中,agmattic gneiss(阿尔马特变质岩)因其独特的特征和形成过程而特别引人注目。agmattic gneiss 是一种变质岩,源于花岗岩在高压和高温条件下的变化。这种转变发生在地壳深处,在那里,强烈的地质力量将原始的花岗岩重新塑造为更复杂的结构。agmattic gneiss 的一个定义特征是其带状外观,这种外观是由于变质过程中矿物成分的分离而产生的。交替的浅色和深色带主要由石英、长石和黑云母组成,使岩石呈现出鲜明的视觉对比。地质学家通常研究这些带,以了解岩石形成时的条件,以及促成其发展的构造过程。agmattic gneiss 的形成通常涉及一种称为区域变质作用的过程,该过程在显著的构造应力下发生在大面积区域。这一过程通常与造山事件相关联,即大陆板块碰撞,导致压力和温度的增加。因此,原始的花岗岩相对柔软且颗粒状,经历转变后变成了一种更坚硬、更耐用的岩石。这使得agmattic gneiss成为建筑和园艺中的重要材料,因为它耐风化和侵蚀。除了实际应用之外,agmattic gneiss 还作为地质历史的宝贵指示器。通过检查这种岩石的矿物成分和纹理,科学家可以推断出岩石形成时地壳的条件。这些信息帮助地质学家重建过去的环境,并理解塑造我们星球的动态过程。此外,agmattic gneiss 的研究有助于我们理解一般的变质过程。它突显了温度、压力和岩石化学成分之间复杂的关系。随着研究人员继续探索这些关系,他们对地球的地质历史以及推动其演化的机制有了更深入的理解。总之,agmattic gneiss 不仅仅是一种岩石;它是我们地球过去的窗口,是塑造我们星球的强大力量的证明。通过对这种迷人的变质岩的研究,我们能够欣赏地质过程的复杂性及其对我们周围世界的影响。无论是用于学术研究还是实际应用,理解agmattic gneiss 都丰富了我们对地质学和自然世界的知识。

相关单词

gneiss

gneiss详解:怎么读、什么意思、用法