gossan

简明释义

英[ˈɡɒs(ə)n]美[ˈɡɑːsn]

n. [地质] 铁帽

英英释义

单词用法

同义词

反义词

例句

1.The separation of iron and gold is solved to a gossan type gold ore through "direct reduction with coal-magnetic separation-cyanidation process".

应用煤基直接还原—磁选—氰化提金工艺处理某铁帽型含金矿石，解决了矿石中铁、金分离问题。

2.The separation of iron and gold is solved to a gossan type gold ore through "direct reduction with coal-magnetic separation-cyanidation process".

应用煤基直接还原—磁选—氰化提金工艺处理某铁帽型含金矿石，解决了矿石中铁、金分离问题。

3.A better effect has been obtained by recognizing the gossan in the southeast of Hubei province.

对鄂东南地区铁帽的识别，取得了较好的应用效果。

4.Taoyuan gossan type gold deposit occurs at the upper end of the slant layered pyrite ore body.

桃园铁帽型金矿产于似层状硫铁矿体倾斜上端。

5.Gold is mainly enriched in gossan and supergene sulfide.

金主要富集在铁帽亚带及次生硫化物带。

6.The geologist identified the presence of gossan in the area, indicating potential mineral deposits.

地质学家在该地区发现了gossan，这表明可能存在矿物沉积。

7.During the field trip, we collected samples of gossan to analyze its mineral composition.

在实地考察中，我们收集了gossan样本以分析其矿物成分。

8.The bright yellow color of the gossan suggested the presence of iron oxides.

该gossan的鲜黄色表明存在氧化铁。

9.Mining companies often look for gossan as it can indicate the location of valuable ores.

矿业公司通常寻找gossan，因为它可以指示有价值矿石的位置。

10.The gossan layer was an important clue in locating the underground gold vein.

gossan层是定位地下金脉的重要线索。

作文

In the field of geology, the term gossan refers to a weathered and oxidized layer of rock that often forms over mineral deposits. This layer is typically rich in iron oxides and can appear reddish-brown or yellow due to the oxidation of minerals such as pyrite or chalcopyrite. Understanding gossan is crucial for geologists and miners because it can indicate the presence of valuable metal ores beneath the surface. When exploring potential mining sites, the identification of gossan can serve as a guide to the underlying mineralization. The formation of gossan occurs through a process called supergene alteration, where surface weathering leads to the leaching of soluble minerals, leaving behind more stable minerals like oxides. This process can take thousands to millions of years, depending on environmental conditions. The significance of gossan extends beyond its visual characteristics; it acts as an important indicator for exploration geologists. When they observe a gossan, they often conduct further investigations to determine if there are economic minerals present beneath it. Geologists utilize various techniques to analyze gossan formations. For instance, they may perform geochemical assays to detect the concentration of metals like gold, copper, or silver within the gossan. Additionally, remote sensing technologies can help identify gossan features from aerial images, making the exploration process more efficient. This technological advancement allows for a more comprehensive understanding of mineral deposits in a given area. Moreover, the study of gossan has implications for environmental science. As mining activities can lead to the exposure of gossan, it is essential to manage the environmental impacts associated with these formations. The oxidation of sulfide minerals can lead to acid mine drainage, which poses significant risks to local ecosystems. Therefore, understanding the characteristics and behavior of gossan is vital for both resource extraction and environmental protection. In conclusion, gossan plays a pivotal role in the field of geology and mining. Its formation is a testament to the long-term processes of weathering and mineral alteration. For geologists, the presence of gossan is not just a geological curiosity; it is a beacon that signals potential wealth hidden beneath the Earth's surface. As we continue to explore and exploit natural resources, a comprehensive understanding of gossan will remain essential for sustainable practices in mining and environmental stewardship.

在地质学领域，术语gossan指的是一种风化和氧化的岩石层，通常形成于矿物沉积物之上。这一层通常富含氧化铁，并因黄铁矿或黄铜矿等矿物的氧化而呈现红棕色或黄色。理解gossan对地质学家和矿工至关重要，因为它可能表明地下存在有价值的金属矿石。在探索潜在的采矿地点时，识别gossan可以作为判断底下矿物化的指南。 gossan的形成是通过一种称为超基因改变的过程，这一过程导致表面风化，溶解性矿物被浸出，留下更稳定的矿物，如氧化物。这个过程可能需要数千到数百万年的时间，具体取决于环境条件。gossan的重要性不仅在于其视觉特征；它还作为勘探地质学家的重要指标。当他们观察到gossan时，通常会进行进一步调查，以确定其下方是否存在经济矿物。 地质学家利用各种技术来分析gossan形成。例如，他们可能会进行地球化学分析，以检测gossan中金、铜或银等金属的浓度。此外，遥感技术可以帮助从航空图像中识别gossan特征，从而使探索过程更加高效。这一技术进步使我们能够更全面地了解某一地区的矿藏。 此外，研究gossan对环境科学也有重要意义。由于采矿活动可能导致gossan的暴露，因此管理与这些形成相关的环境影响至关重要。硫化矿物的氧化可能导致酸性矿山排水，这对当地生态系统构成重大风险。因此，理解gossan的特征和行为对于资源开采和环境保护都是至关重要的。 总之，gossan在地质学和采矿领域发挥着关键作用。它的形成是风化和矿物改变长期过程的证明。对于地质学家来说，gossan的存在不仅仅是地质学的好奇心；它是一个信号，表明地球表面下隐藏着潜在的财富。随着我们继续探索和开发自然资源，对gossan的全面理解将始终是可持续采矿和环境管理的重要组成部分。