FROM ORE TO GOLD BAR: ALL THE STEPS INVOLVED IN GOLD MINING

Extraction of gold from a suitable mine is all that is involved in gold mining. Gold mining has been practiced since ancient times, and the first time gold was mined is attributed to a mine in southern Georgia known as Sakdrisi.

Since then, gold use and extraction techniques have been found in various civilizations as well as empires such as the Harappa and Indus Valley civilizations extracted their gold from the Kolar gold fields, and the recent California gold rush is one of the most common examples of large-scale gold mining.

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Here, in this blog, we'll talk about the entire gold mining process.

Have you ever wondered how gold is removed from rocks and even the ocean, and how that gold is then transformed into gold bars? You just flaunt your style with your gold jewelry, but the extraction process is extremely complex and time-consuming, as you will discover today.

1. GOLDFIELD EXPLORATION

The first and most important step is mine exploration, which determines whether there is enough gold in the mine to cover mining costs and generate significant profits.

The first step in the exploration process is to map the gold deposits using specialized geological maps. After that, the scientists use the drilling method to extract some gold and thoroughly test it for purity because occasionally, a rock may appear to contain pure gold at first glance, but upon closer inspection, it is discovered to contain a mixture of silver as well.

2. MINING METHODOLOGY

Gold is typically found in two types of deposits: lode deposits and placer deposits. The lode deposits are located between the bedrock and contain precious metals such as gold and silver.

The mining technique used to extract gold from a lode deposit is a simple open pit technique in which the gold is extracted from the surface, the remaining is extracted by blasting, and the rocks extracted from blasting are shifted in the trucks for processing and refining.

Placer deposits, on the other hand, differ greatly from lode deposits they are typically found in river beds and on beaches. Placer deposits are typically formed by surface weathering and are found as an accumulation of loose gold in streams of water.

3.DORÉ BAR PROCESSING

The next step is processing, which involves converting the gold ore into pure gold bars known as Doré bars, which are then transported to refineries around the world for further refinement.

Electrowinning and smelting are the most common processes involved in this step. The electrodes are used in the electrowinning process, along with the concentrated solution, to extract the gold while removing all other impurities. Smelting, however, uses chemicals and their reactions to separate gold from impurities.

4. REFINING FOR MARKETABLE GOLD

Refining is technically the final process used to convert doré bars into usable forms of gold such as gold bars and coins. The use of borax and soda ash in the refining process is widespread to rid the gold of any remaining impurities.

CONCLUSION

Gold is one of the most precious metals that has been used in jewelry for many centuries. It has become a status, wealth, and luxury symbol of the ages. It's no surprise that people all over the world have been searching for ways to obtain gold. Mining allows people to dig into rock and earth in search of gold veins that are within it. With today's technology, they can control how deep they mine and which area they want to target first.