calcite

简明释义

英[ˈkælsaɪt]美[ˈkælsaɪt]

n. [矿物] 方解石

英英释义

单词用法

同义词

反义词

例句

1.Thes study and bring forward a new formula for acid bleaching of barite powders containing impurities such as fluorite and calcite.

研究并提出用稀盐酸、硼酸和反应助剂作为含有萤石、方解石杂质的重晶石粉体酸漂增白的新配方。

2.The antimony ores are mainly composed of such minerals as stibnite, quartz, opal and calcite.

矿石矿物主要为辉锑矿，脉石矿物有石英、蛋白石和方解石等。

3.Thes study and bring forward a new formula for acid bleaching of barite powders containing impurities such as fluorite and calcite.

研究并提出用稀盐酸、硼酸和反应助剂作为含有萤石、方解石杂质的重晶石粉体酸漂增白的新配方。

4.In the shell, mineral form of calcium carbonate is calcite and aragonite.

贝壳中的碳酸钙是以文石和方解石形式存在。

5.Both fractures and vugs may be closed or partially closed by precipitated calcite or other similar material.

裂缝和岩穴被方解石沉淀物或其它类似的物质完全或部分地封闭。

6.Over millions of years, groundwater left deposits of a mineral called calcite, on the rock within Devil's Hole.

在数百万年的时间里，地下水在魔鬼洞内的岩石上留下了一种叫做方解石的矿物质沉积物。

7.With high montmorillonite, the cracks is easily appeared, and high limestone or calcite easily results lime blowing.

蒙脱石含量高，易产生大量裂纹；石灰石或方解石含量高，易产生石灰爆裂。

8.The rock sample contained a significant amount of calcite (方解石), which gave it a unique texture.

这块岩石样本含有大量的calcite（方解石），这赋予了它独特的质感。

9.In geology class, we learned how to identify calcite (方解石) by its reaction with vinegar.

在地质课上，我们学习了如何通过与醋反应来识别calcite（方解石）。

10.The beautiful crystals found in the cave were primarily made of calcite (方解石).

洞穴中发现的美丽晶体主要由calcite（方解石）构成。

11.Many limestone formations are composed of calcite (方解石), making them valuable for construction.

许多石灰岩地层由calcite（方解石）组成，这使它们在建筑中非常有价值。

12.The presence of calcite (方解石) in the soil can indicate high calcium levels.

土壤中存在calcite（方解石）可能表明钙含量高。

作文

Calcite is one of the most abundant minerals on Earth, and it plays a crucial role in various geological processes. As a carbonate mineral, it is primarily composed of calcium carbonate (CaCO3). This mineral can be found in sedimentary rocks, metamorphic rocks, and even in some igneous formations. Its formation often occurs in marine environments where biological processes contribute to its accumulation. For example, when marine organisms, such as corals and shellfish, die, their calcium-rich shells and skeletons can accumulate on the ocean floor, eventually forming limestone, which is predominantly made up of calcite (方解石). Geologists and mineralogists study calcite not only for its abundance but also for its unique properties. One of the most fascinating characteristics of calcite is its ability to refract light, which gives it a distinctive optical property known as birefringence. This means that when light passes through calcite, it splits into two rays, creating a double image. This property has made calcite a valuable mineral in optical applications, such as polarizing microscopes. In addition to its optical uses, calcite is significant in the construction industry. Limestone, which is primarily composed of calcite, is widely used as a building material. It can be crushed and used as aggregate in concrete or processed to produce lime, which is essential for various chemical processes. The use of calcite in construction highlights its economic importance beyond its geological significance. Furthermore, calcite also plays a vital role in the carbon cycle. It acts as a carbon sink, helping to regulate atmospheric CO2 levels. When calcite forms in oceans, it sequesters carbon dioxide, thereby playing a part in mitigating climate change. This function emphasizes the importance of understanding calcite not just from a geological perspective, but also in the context of environmental science. In the field of paleontology, calcite is essential for studying ancient marine life. Fossils of marine organisms are often preserved in sedimentary rocks made of calcite, providing valuable insights into the history of life on Earth. By examining these fossils, scientists can reconstruct past environments and understand how life has evolved over millions of years. To sum up, calcite is a mineral that is not only abundant but also multifaceted in its applications and significance. Whether it is in the realm of geology, construction, environmental science, or paleontology, calcite continues to be a subject of interest and importance. Its unique properties and roles underscore the interconnectedness of natural processes and human activities, making it a fascinating topic for further study and exploration.

方解石是地球上最丰富的矿物之一，在各种地质过程中发挥着至关重要的作用。作为一种碳酸盐矿物，它主要由碳酸钙（CaCO3）组成。这种矿物可以在沉积岩、变质岩，甚至一些火成岩中找到。它的形成通常发生在海洋环境中，生物过程有助于其积累。例如，当海洋生物如珊瑚和贝类死亡时，它们富含钙的外壳和骨骼会聚集在海底，最终形成以方解石（calcite）为主的石灰岩。 地质学家和矿物学家研究方解石不仅因为它的丰富性，还因为它独特的性质。方解石最引人注目的特性之一是它的光折射能力，这赋予了它一种独特的光学特性，称为双折射。这意味着当光通过方解石（calcite）时，会分裂成两束光线，形成双重影像。这一特性使方解石成为光学应用中的一种宝贵矿物，例如偏振显微镜。 除了光学用途外，方解石在建筑行业也具有重要意义。石灰岩，主要由方解石（calcite）组成，被广泛用作建筑材料。它可以被破碎并用作混凝土的骨料，或被加工生产石灰，这对于各种化学过程至关重要。方解石在建筑中的使用突显了它在经济上的重要性，超越了其地质意义。 此外，方解石在碳循环中也发挥着至关重要的作用。它作为碳汇，有助于调节大气中的二氧化碳水平。当方解石（calcite）在海洋中形成时，它会封存二氧化碳，从而在减缓气候变化方面发挥作用。这一功能强调了理解方解石的重要性，不仅从地质角度看，而且在环境科学的背景下。 在古生物学领域，方解石对于研究古代海洋生物至关重要。海洋生物的化石通常保存在由方解石（calcite）构成的沉积岩中，为我们提供了关于地球生命历史的宝贵见解。通过研究这些化石，科学家可以重建过去的环境，并了解生命如何在数百万年中演变。 总之，方解石是一种不仅丰富而且在其应用和重要性上具有多面性的矿物。无论是在地质学、建筑、环境科学还是古生物学领域，方解石都继续成为一个值得关注和重视的主题。它独特的性质和角色突显了自然过程与人类活动之间的相互联系，使其成为进一步研究和探索的迷人话题。