calcrete

简明释义

英[ˈkælkriːt]美[ˈkælkriːt]

n. [岩] 钙质结砾岩

英英释义

单词用法

同义词

反义词

例句

1.The principal exploration target for the area is the drainage system that contains the calcrete and silcrete units that host the carnotite-bearing secondary uranium mineralisation.

该区域的主要勘探目标是，含有钙质结砾岩和钒钾铀矿砾岩石单元的水系，这些岩石赋存着含有钒钾铀矿的次生矿化带。

2.The principal exploration target for the area is the drainage system that contains the calcrete and silcrete units that host the carnotite-bearing secondary uranium mineralisation.

该区域的主要勘探目标是，含有钙质结砾岩和钒钾铀矿砾岩石单元的水系，这些岩石赋存着含有钒钾铀矿的次生矿化带。

3.The Uranium mineralisation has similarities to other calcrete channel hosted Uranium deposits in the region including Yeelirrie, Lake Way and Centipede.

铀矿化区域类似于该地区其他钙质结砾岩通道型铀矿床，包括伊利里、湖路和蜈蚣矿床。 。

4.The soil in this region is rich in calcrete, which helps improve the agricultural yield.

该地区的土壤富含钙质结壳，这有助于提高农业产量。

5.Geologists often study calcrete formations to understand past climatic conditions.

地质学家经常研究钙质结壳形成，以了解过去的气候条件。

6.In arid environments, calcrete can act as a natural barrier to water infiltration.

在干旱环境中，钙质结壳可以作为水分渗透的自然屏障。

7.Farmers may need to manage calcrete layers to prevent drainage issues.

农民可能需要管理钙质结壳层以防止排水问题。

8.The presence of calcrete indicates a history of soil formation under specific climatic conditions.

存在钙质结壳表明土壤在特定气候条件下形成的历史。

作文

Calcrete is a term used in geology to describe a type of hard, cement-like layer that forms in soils and sediments. It is primarily composed of calcium carbonate, which precipitates out of groundwater as it evaporates or moves through the soil. This process can lead to the development of a hardpan, making the soil less permeable and affecting its ability to support plant life. Understanding the formation and characteristics of calcrete (钙土) is essential for geologists, agronomists, and environmental scientists alike. The formation of calcrete (钙土) typically occurs in arid and semi-arid regions where evaporation rates are high. In these environments, water from rainfall or irrigation seeps into the ground, carrying dissolved calcium from the rocks and minerals. As the water evaporates, it leaves behind deposits of calcium carbonate, which gradually accumulate and harden over time. These layers can vary in thickness and can be found at various depths within the soil profile. One of the significant impacts of calcrete (钙土) on agriculture is its effect on soil drainage. The hard, impermeable layer can prevent water from penetrating deeper into the soil, leading to surface runoff and increased erosion. This situation can pose challenges for farmers trying to cultivate crops in areas where calcrete (钙土) is prevalent. To manage these conditions, farmers may need to employ strategies such as deep plowing or the use of soil amendments to improve water infiltration and overall soil health. In addition to its agricultural implications, calcrete (钙土) also plays a role in the natural environment. It can influence the distribution of plant species, as certain plants are better adapted to thrive in soils with high levels of calcium carbonate. For example, some desert plants have developed specialized root systems that allow them to access moisture and nutrients from beneath the calcrete (钙土) layer. Furthermore, the presence of calcrete (钙土) can alter the local hydrology, affecting the movement of water through the landscape and the availability of resources for both flora and fauna. Geologists study calcrete (钙土) formations to gain insights into past climate conditions and geological processes. The characteristics of these layers can provide valuable information about the history of an area, including changes in vegetation, climate, and hydrology. By analyzing the composition and thickness of calcrete (钙土) deposits, scientists can reconstruct environmental conditions that existed thousands of years ago. In conclusion, calcrete (钙土) is more than just a geological curiosity; it has significant implications for agriculture, ecology, and our understanding of Earth's history. As we continue to study this unique soil feature, we can better appreciate the complex interactions between geology, climate, and life on our planet. Whether you are a farmer dealing with its challenges, a scientist researching its properties, or simply someone interested in the natural world, recognizing the importance of calcrete (钙土) can deepen your understanding of the environment around you.

钙土是地质学中用于描述一种硬化的水泥状层的术语，这种层在土壤和沉积物中形成。它主要由碳酸钙组成，随着地下水的蒸发或在土壤中流动而沉淀出来。这个过程可以导致硬盘的形成，使土壤的渗透性降低，从而影响其支持植物生长的能力。理解calcrete（钙土）的形成及特征对地质学家、农学家和环境科学家来说都是至关重要的。 calcrete（钙土）的形成通常发生在干旱和半干旱地区，那里的蒸发率很高。在这些环境中，降雨或灌溉后的水渗入地下，携带着来自岩石和矿物中的溶解钙。随着水分的蒸发，它留下了碳酸钙的沉积物，这些沉积物会逐渐积累并随时间硬化。这些层的厚度各异，可以在土壤剖面中的不同深度找到。 calcrete（钙土）对农业的一个重要影响是其对土壤排水的影响。坚硬的不透水层会阻止水分深入土壤，从而导致地表径流和增加的侵蚀。这种情况可能给试图在calcrete（钙土）普遍存在的地区种植作物的农民带来挑战。为了管理这些条件，农民可能需要采用深翻或使用土壤改良剂等策略，以改善水分渗透和整体土壤健康。 除了对农业的影响，calcrete（钙土）在自然环境中也发挥着作用。它可以影响植物种类的分布，因为某些植物更适应在高碳酸钙土壤中生存。例如，一些沙漠植物已经发展出专门的根系，使它们能够从calcrete（钙土）层下方获取水分和养分。此外，calcrete（钙土）的存在可以改变当地水文，影响水在地形中的运动和资源的可用性。 地质学家研究calcrete（钙土）的形成，以深入了解过去的气候条件和地质过程。这些层的特征可以提供有关一个地区历史的有价值信息，包括植被、气候和水文的变化。通过分析calcrete（钙土）沉积物的成分和厚度，科学家可以重建数千年前存在的环境条件。 总之，calcrete（钙土）不仅仅是地质学上的好奇；它对农业、生态学以及我们对地球历史的理解具有重要意义。随着我们继续研究这一独特的土壤特征，我们可以更好地欣赏地质、气候与生命之间复杂的相互作用。无论你是面临挑战的农民、研究其特性的科学家，还是单纯对自然世界感兴趣的人，认识到calcrete（钙土）的重要性都能加深你对周围环境的理解。