siltstone
简明释义
n. 沙泥岩，粉砂岩
英英释义
A type of sedimentary rock that is composed primarily of silt-sized particles, which are finer than sand but coarser than clay. | 一种沉积岩，主要由细沙粒构成，颗粒大小介于沙子和粘土之间。 |
单词用法
细粒泥岩 | |
泥岩露头 | |
泥岩形成 | |
泥岩沉积 |
同义词
| 泥岩 | Mudstone is often used in construction due to its fine grain. | 泥岩因其细粒特性常用于建筑。 | |
| 页岩 | 页岩可以作为石油和天然气的源岩。 | ||
| 粘土岩 | 粘土岩通常在沉积盆地中发现。 |
反义词
| 花岗岩 | Granite is often used in construction due to its durability. | 花岗岩因其耐用性而常用于建筑。 | |
| 玄武岩 | Basalt can be found in many volcanic regions around the world. | 玄武岩可以在世界上许多火山地区找到。 |
例句
1.The host rocks are mainly calcareous siltstone and silty slate.
容矿岩石主要为钙质粉砂岩、粉砂质板岩。
2.The Xionghuangchang section of the Upper Jurassic series is the principal ore-host strata, composed mainly of dolomite, limestone, mudstone, and siltstone.
赋矿地层为上侏罗统雄黄厂段，主要由白云岩、灰岩、泥岩和粉砂岩组成。
3.The main rocks are sandstone, mudstone and muddy siltstone or silty mudstone.
岩石类型主要有砂岩、泥岩及泥—粉砂过渡岩类。
4.Wuytak Fm regression phase, the formation of variegated mudstone, siltstone sandstone and mudstone of tidal cream-supratidal sedimentary.
乌依塔克组为海退阶段，形成杂色泥岩、粉砂岩夹砂岩、膏泥岩的潮间-潮上带沉积。
5.A large amount of burrow fossils are found in pelitic siltstone in the middle Changzhougou Formation of the Mesoproterozoic in the Yanshan area.
在燕山地区中元古代常州沟组中发育有大量的潜穴化石，潜穴产于常州沟组中部的泥质粉砂岩中。
6.Its main rocks is the metamorphic pelitic siltstone, the feldspathic quartz wacke, the fine sandial feldspathic quartz siltstone, the feldspathic wacke and the sericite quartz phyllite etc.
主要岩性有变泥质粉砂岩、长石石英杂砂岩、细砂质长石石英粉砂岩、长石杂砂岩、绢云石英千枚岩等。
7.At other hand, the golden content of the sandstone is higher than that of fine grain siltstone and mudstone, and tends to decrease and stabilize upward in the turbidite sequence.
另外，砂质单元金含量比细粒的粉砂岩和泥岩要高，从浊积岩序列的底部旋回至上部回金的含量降低并由不稳定到稳定等规律。
8.During the excavation, we discovered a significant amount of siltstone that dated back millions of years.
在挖掘过程中，我们发现了大量的淤泥岩，其年代可追溯到数百万年前。
9.The riverbanks were composed of siltstone, which contributed to the stability of the ecosystem.
河岸由淤泥岩组成，这有助于生态系统的稳定性。
10.In the construction industry, siltstone can be used as a building material due to its durability.
在建筑行业中，淤泥岩因其耐用性可以作为建筑材料。
11.The fossilized remains found in the siltstone provided valuable insights into prehistoric life.
在淤泥岩中发现的化石遗骸为史前生命提供了宝贵的见解。
12.The geologist studied the layers of siltstone to understand the sedimentary processes that formed the rock.
地质学家研究了淤泥岩的层次，以了解形成该岩石的沉积过程。
作文
Siltstone is a type of sedimentary rock that forms from the accumulation of silt, which is a fine-grained material that is larger than clay but smaller than sand. This rock is often found in environments where water has played a significant role in transporting and depositing sediments. Understanding the formation and characteristics of siltstone (淤泥岩) is essential for geologists and environmental scientists, as it can provide valuable insights into past geological events and the conditions of ancient environments.The process of forming siltstone (淤泥岩) begins with the weathering of rocks, which breaks down larger particles into smaller fragments. These fragments are then transported by wind or water and eventually settle in bodies of water such as lakes, rivers, or oceans. Over time, layers of silt accumulate and are compacted under the weight of overlying materials, leading to the lithification, or solidification, of the silt into rock. The resulting siltstone (淤泥岩) typically exhibits a fine texture and can vary in color depending on the mineral content.One of the most fascinating aspects of siltstone (淤泥岩) is its ability to preserve fossils. The fine grains of silt create an environment that is conducive to fossilization, allowing for the preservation of delicate structures such as plant leaves, shells, and even small vertebrates. As a result, siltstone (淤泥岩) formations can serve as important records of biodiversity and ecological conditions in the past, providing clues about how life on Earth has evolved over millions of years.In addition to its paleontological significance, siltstone (淤泥岩) also has practical applications in various industries. For instance, it is often used as a building material due to its durability and aesthetic appeal. Architects and builders may choose siltstone (淤泥岩) for construction projects, especially in areas where this rock is abundant. Furthermore, siltstone (淤泥岩) can be a valuable resource for the production of ceramics and other materials, as its composition allows for easy shaping and firing.However, the extraction and use of siltstone (淤泥岩) must be managed carefully to minimize environmental impact. Quarrying activities can disrupt local ecosystems and lead to soil erosion, habitat destruction, and water pollution. Therefore, sustainable practices should be implemented to ensure that the benefits of utilizing siltstone (淤泥岩) do not come at the cost of environmental degradation.In conclusion, siltstone (淤泥岩) is more than just a sedimentary rock; it is a window into the Earth's history and a resource that can be utilized in various ways. By studying siltstone (淤泥岩), scientists can gain insights into past climates and ecosystems, while industries can harness its properties for practical applications. As we continue to explore and understand the significance of siltstone (淤泥岩), it is crucial to balance our needs with the responsibility of protecting our planet's natural resources.
