placer gold

简明释义

砂金

英英释义

例句

1.He learned how to use a sluice box to separate placer gold from gravel.

他学习了如何使用洗矿槽将游离金从砾石中分离出来。

2.The local museum has an exhibit showcasing the history of placer gold mining in the area.

当地博物馆有一个展览，展示该地区游离金开采的历史。

3.During the gold rush, many prospectors searched for placer gold in rivers and streams.

在淘金热期间，许多探矿者在河流和小溪中寻找游离金。

4.The miner was excited to find a large nugget of placer gold while panning in the creek.

矿工在小溪中淘金时发现了一大块游离金，感到非常兴奋。

5.Finding placer gold can be a rewarding experience for amateur prospectors.

对业余探矿者来说，找到游离金可能是一次令人满意的经历。

作文

The search for gold has been a part of human history for centuries, captivating the imaginations of countless individuals. Among the various types of gold, placer gold (冲积金) holds a special place due to its unique formation and accessibility. Unlike lode gold, which is found in solid rock, placer gold is typically found in riverbeds and stream beds, where it has been eroded from its original source. This natural process makes placer gold an intriguing subject for prospectors and treasure hunters alike.The term 'placer' comes from the Spanish word meaning 'to please,' which reflects the ease with which this type of gold can be extracted. During the Gold Rush era, many hopeful miners flocked to rivers and streams, armed with simple tools such as pans and sluice boxes, to sift through the sediment in search of placer gold. The thrill of discovering a shiny nugget or flecks of gold among the gravel was enough to inspire dreams of wealth and prosperity.One of the most famous locations for placer gold mining is the Klondike region in Canada. During the late 19th century, thousands of prospectors made the treacherous journey northward, driven by tales of rich deposits of placer gold. The harsh conditions and difficult terrain did not deter these adventurers, as they were fueled by the hope of striking it rich. Many did find success, but just as many returned home empty-handed, illustrating the unpredictable nature of mining.Today, the extraction of placer gold is still a popular hobby for many enthusiasts. Modern technology has improved the efficiency of gold recovery, allowing individuals to use metal detectors and advanced equipment to locate and extract this precious resource. However, the fundamental principles of searching for placer gold remain the same: patience, perseverance, and a keen eye for detail are essential for anyone hoping to find success.In addition to its allure for prospectors, placer gold also plays a significant role in the economy. It is often used in jewelry making, electronics, and various industrial applications. The demand for gold continues to rise, further driving interest in placer gold mining and exploration. As environmental regulations become more stringent, responsible mining practices have gained importance, ensuring that the pursuit of placer gold does not come at the cost of ecological integrity.In conclusion, placer gold represents not only a fascinating chapter in the story of human endeavor but also a valuable resource that continues to capture the hearts of many. Whether viewed as a historical artifact or a modern commodity, the quest for placer gold endures, reminding us of the timeless human desire for discovery and adventure.