calcareous spar

简明释义

方解石;

英英释义

例句

1.The geologist identified the mineral sample as calcareous spar, which is known for its high calcium content.

地质学家将矿物样本鉴定为方解石，它以高钙含量而闻名。

2.In our field trip to the limestone quarry, we collected several pieces of calcareous spar for analysis.

在我们去石灰岩采石场的实地考察中，我们收集了几块方解石进行分析。

3.The presence of calcareous spar in the soil indicates a rich calcium supply for plants.

土壤中存在的方解石表明植物有丰富的钙供应。

4.The artist used calcareous spar to create a unique texture in her sculpture.

艺术家使用方解石在她的雕塑中创造了独特的纹理。

5.During the lecture, the professor explained how calcareous spar forms in marine environments.

在讲座中，教授解释了方解石是如何在海洋环境中形成的。

作文

In the study of geology, various minerals and rocks play a crucial role in understanding the Earth's composition and history. One such mineral that often captures the attention of geologists is calcareous spar. This term refers to a type of mineral, primarily composed of calcium carbonate, which is commonly found in sedimentary rocks. The significance of calcareous spar lies not only in its composition but also in its various applications and the insights it provides into geological processes.Calcareous spar, which can also be known as calcite or aragonite depending on its crystalline form, is essential for several reasons. First and foremost, it serves as an indicator of past environmental conditions. When geologists examine rock formations containing calcareous spar, they can infer information about the climate and biological activity at the time of its formation. For instance, the presence of calcareous spar in limestone deposits suggests that the area was once submerged under shallow seas, where marine organisms thrived and contributed to the accumulation of calcium carbonate.Moreover, calcareous spar plays a vital role in the construction industry. Its ability to be easily shaped and polished makes it a popular choice for decorative stones. Marble, which is metamorphosed limestone rich in calcareous spar, is widely used in buildings and monuments due to its aesthetic appeal and durability. Additionally, calcareous spar is utilized in the production of lime, which has numerous industrial applications, including in steel manufacturing and water treatment processes.The formation of calcareous spar is a fascinating process that involves both biological and chemical mechanisms. In marine environments, organisms such as corals, mollusks, and certain types of algae contribute to the formation of calcium carbonate through their biological activities. When these organisms die, their shells and skeletons accumulate on the ocean floor, eventually compacting and cementing over time to form limestone, which is rich in calcareous spar. On the other hand, calcareous spar can also form through chemical precipitation in water bodies, where dissolved calcium ions combine with carbonate ions to create solid calcite crystals.In conclusion, the study of calcareous spar provides valuable insights into geological history, environmental conditions, and industrial applications. Its presence in sedimentary rocks serves as a window into the past, allowing scientists to reconstruct ancient ecosystems and climatic changes. Furthermore, its utility in construction and various industries highlights its importance beyond mere geological interest. Understanding calcareous spar is essential for anyone interested in geology, environmental science, or industrial applications, making it a significant subject of study within the field.

碳酸钙方解石是地质学研究中的一个重要矿物，主要由碳酸钙组成，常见于沉积岩中。碳酸钙方解石的重要性不仅体现在其组成上，还体现在其多种应用以及为地质过程提供的见解上。碳酸钙方解石也被称为方解石或文石，具体取决于其晶体形式，对多个领域至关重要。首先，它是过去环境条件的指示剂。当地质学家检查包含碳酸钙方解石的岩石形成时，他们可以推断出形成时的气候和生物活动的信息。例如，沉积岩中存在碳酸钙方解石表明该地区曾经淹没在浅海之下，那里海洋生物繁盛并导致碳酸钙的积累。此外，碳酸钙方解石在建筑行业中也发挥着重要作用。它易于加工和抛光，使其成为装饰石材的热门选择。大理石是一种富含碳酸钙方解石的变质石灰石，因其美观和耐用而广泛用于建筑和纪念碑。此外，碳酸钙方解石还用于生产石灰，具有多种工业应用，包括钢铁制造和水处理过程。碳酸钙方解石的形成过程非常有趣，涉及生物和化学机制。在海洋环境中，珊瑚、软体动物和某些类型的藻类通过生物活动促进碳酸钙的形成。当这些生物死亡时，它们的壳和骨骼会在海底积累，随着时间的推移逐渐压实并胶结形成富含碳酸钙方解石的石灰岩。另一方面，碳酸钙方解石也可以通过水体中的化学沉淀形成，在那里溶解的钙离子与碳酸根离子结合，形成固体方解石晶体。总之，研究碳酸钙方解石为地质历史、环境条件和工业应用提供了宝贵的见解。它在沉积岩中的存在为科学家重建古代生态系统和气候变化提供了窗口。此外，它在建筑和各种工业中的实用性突显了其超越地质兴趣的重要性。理解碳酸钙方解石对任何对地质学、环境科学或工业应用感兴趣的人来说都是至关重要的，因此它在这一领域的研究意义重大。