![]() Alluvial mining for goldĪlluvial mining for gold dates back a long time - the Romans used alluvial mining to produce gold, and in the 19th and 20th centuries, alluvial mining was made famous by the California and Colorado gold rushes, among others. ![]() Of course, alluvial mining can also be done more efficiently and more safely by mining companies that said, with most miners focused on larger deposits, the process is less common. ![]() They are also often done illegally and outside of regulatory framework. However, with simplicity comes disadvantages - these operations are not very productive, lack safety and tend to have a high environmental impact. For instance, small-scale alluvial mining that’s undertaken by individual laborers involves digging and sifting through materials such as mud, sand or gravel using shovels, sieves or a laborer’s bare hands.
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