greywacke

简明释义

英[ˈɡreɪˌwækə]美[ˈɡreɪˌwæk]

n. [岩] 硬砂岩，[岩] 杂砂岩

英英释义

单词用法

同义词

反义词

例句

1.The protoliths of the garnet amphibolite can be either basic magmatic rocks, such as basalt and gabbro, or sedimentary rocks, like greywacke.

石榴角闪岩的原岩既可以是基性岩，如玄武岩或辉长岩，也可以是沉积岩如杂砂岩。

2.The protoliths of the garnet amphibolite can be either basic magmatic rocks, such as basalt and gabbro, or sedimentary rocks, like greywacke.

石榴角闪岩的原岩既可以是基性岩，如玄武岩或辉长岩，也可以是沉积岩如杂砂岩。

3.The sedimentary members are largely turbidites of greywacke facies.

沉积岩的组成大部分为杂砂岩相的浊积岩。

4.The sediments are detrital and largely of greywacke facies .

沉积岩为碎屑质，大部分属于杂质砂岩相。

5.The sediments are detrital and largely of greywacke facies.

这一带的地质成分主要是沉积岩。

6.The sediments are detrital and largely of greywacke facies.

沉积岩为碎屑质，大部分属于杂质砂岩相。

7.The geological survey revealed that the area was predominantly composed of greywacke.

地质调查显示该地区主要由灰岩组成。

8.Many ancient buildings in this region were constructed using greywacke due to its durability.

该地区许多古老建筑是用灰岩建造的，因为它耐用。

9.The rock formation we encountered on our hike was primarily greywacke mixed with sandstone.

我们徒步旅行时遇到的岩层主要是灰岩与砂岩混合。

10.Geologists often study greywacke to understand the sedimentary processes of the past.

地质学家经常研究灰岩以了解过去的沉积过程。

11.In the construction industry, greywacke is valued for its ability to withstand weathering.

在建筑行业中，灰岩因其耐风化特性而受到重视。

作文

The study of geology often leads us to fascinating insights about the Earth's history and the various rock types that compose its crust. One such intriguing rock type is greywacke, which is a sandstone that contains a significant amount of clay and silt-sized particles. This unique composition gives greywacke its characteristic dark color and makes it distinct from other sandstones. Understanding greywacke is essential for geologists, as it provides valuable information about the sedimentary environments in which it formed. Greywacke typically forms in a variety of geological settings, often associated with tectonic activity. It is commonly found in areas where ancient marine environments existed, suggesting that it was deposited in a turbulent environment, possibly near river mouths or deltas. The presence of greywacke in a geological formation can indicate past geological events, such as continental collision or volcanic activity, which played a significant role in shaping the landscape. One of the most remarkable features of greywacke is its ability to preserve fossils and other organic materials. Because it often forms in environments rich in biological activity, paleontologists can find well-preserved remains of ancient organisms within these rocks. This aspect makes greywacke an important resource for understanding the evolution of life on Earth and the conditions that prevailed during different geological periods. In addition to its geological significance, greywacke has practical applications in construction and landscaping. Its durability and strength make it an excellent choice for building materials, and its aesthetic qualities can enhance the visual appeal of various structures. Many architects and designers appreciate the unique texture and color variations found in greywacke, making it a popular choice for both interior and exterior applications. Moreover, studying greywacke can also provide insights into the processes of erosion and sedimentation. By examining the characteristics of greywacke, scientists can better understand how sedimentary rocks are formed and altered over time. This knowledge is crucial for predicting how landscapes will evolve under changing environmental conditions, such as climate change or human activity. In conclusion, greywacke is more than just a type of rock; it is a window into the Earth's past and a tool for understanding various geological processes. Its unique composition, fossil preservation capabilities, and practical uses make it a subject of interest for geologists, paleontologists, and builders alike. As we continue to explore and study greywacke, we uncover more about the history of our planet and the forces that have shaped it over millions of years.

地质学的研究常常让我们对地球的历史和构成其地壳的各种岩石类型产生迷人的见解。其中一种引人入胜的岩石类型是灰岩，这是一种含有大量粘土和粉砂颗粒的砂岩。这种独特的成分赋予了灰岩其特有的深色，使其与其他砂岩区分开来。理解灰岩对于地质学家来说至关重要，因为它提供了关于其形成的沉积环境的宝贵信息。 灰岩通常在多种地质环境中形成，常常与构造活动相关联。它通常出现在古代海洋环境存在的地区，表明它是在动荡的环境中沉积的，可能靠近河口或三角洲。在地质构造中发现灰岩可以指示过去的地质事件，例如大陆碰撞或火山活动，这些事件在塑造景观方面发挥了重要作用。 灰岩最显著的特点之一是它能够保存化石和其他有机材料。由于它常常形成于生物活动丰富的环境中，古生物学家可以在这些岩石中找到保存良好的古代生物遗骸。这一方面使得灰岩成为理解地球上生命演化及不同地质时期所处条件的重要资源。 除了其地质意义外，灰岩在建筑和景观设计中也具有实际应用。其耐用性和强度使其成为优质建筑材料的理想选择，而其美学特性可以增强各种结构的视觉吸引力。许多建筑师和设计师欣赏灰岩中独特的质感和颜色变化，使其成为室内和室外应用的热门选择。 此外，研究灰岩还可以提供关于侵蚀和沉积过程的见解。通过检查灰岩的特征，科学家们可以更好地理解沉积岩是如何形成和随时间变化的。这一知识对预测在气候变化或人类活动等变化的环境条件下，景观将如何演变至关重要。 总之，灰岩不仅仅是一种岩石；它是通往地球过去的一扇窗户，也是理解各种地质过程的工具。其独特的成分、化石保存能力和实际用途使其成为地质学家、古生物学家和建筑商共同关注的对象。随着我们继续探索和研究灰岩，我们揭示了更多关于我们星球历史的信息，以及塑造它的力量。