Skip to Content
Back to Blog
The Gold Supply Chain: How Does It Work?

The Gold Supply Chain: How Does It Work?

September 02, 20241067 view(s)

If you're an investor or collector of gold, you know its innate value. But have you ever wondered about how it goes from being in the earth to a part of your portfolio?

To better understand gold and gold investing, we're examining the gold supply chain. We'll explore how gold is mined, refined, distributed, and ultimately traded and invested in. 

 

 

Gold Mining and Distribution

Gold mining is the first step in the gold supply chain. This process involves extracting gold from the earth, and it can be done in several ways. Open-pit mining is one common method where miners dig large pits to reach gold deposits near the surface.


This method is efficient for extracting large quantities of gold, but it can have significant environmental impacts. Another method is underground mining, which involves creating tunnels to reach deeper gold deposits. This method is more expensive and complex but allows access to gold that is not reachable through open-pit mining.

Placer mining is another technique, where miners extract gold from riverbeds and streams. This method relies on the natural erosion of rocks and soil, which releases gold particles that settle in waterways.

Placer mining can be less disruptive to the environment compared to other methods, but it is usually less productive.


A Global Process

Gold mining occurs in many parts of the world. Some of the largest gold-producing countries include China, Australia, Russia, and the United States.

Each region has its unique challenges and advantages for mining. For instance, South Africa is known for its deep, rich gold mines, while countries like Canada and Australia have vast open-pit operations.

The gold mining process also involves significant planning and investment. Companies need to conduct geological surveys to identify potential gold deposits.

They must also obtain permits and comply with environmental regulations. Once a site is selected, it takes several years to develop the infrastructure needed to start mining.

Gold mining is not only about extracting the metal but also about ensuring that the process is sustainable and ethical. Many companies are now focusing on reducing their environmental footprint and improving the safety and working conditions for miners.

Initiatives like Fairmined certification help promote responsible mining practices. These help make sure gold production benefits local communities and the environment.

 

 

Gold Supply Process: Initial Processing

Once gold is mined, it goes through an initial processing stage to separate it from other minerals and impurities. This step is essential to prepare the gold for refining.

The process begins with crushing the ore to break it into smaller pieces. This makes it easier to handle and process.

After crushing, the ore is ground into a fine powder. This increases the surface area, which helps in the extraction of gold.

The powdered ore then undergoes a process called concentration. This involves separating the gold from the surrounding materials. One common method is gravity concentration, which uses the differences in density to separate gold from lighter materials.

Another method is flotation, where chemicals are added to a slurry of ground ore and water. These chemicals cause gold to attach to air bubbles, which rise to the surface and are skimmed off.

Once the gold is concentrated, it goes through a process called smelting. Smelting involves heating the concentrated ore to high temperatures to melt the gold and separate it from impurities.

The molten gold is then poured into molds to create bars called doré bars. These bars are not yet pure and contain other metals like silver and copper.

This initial processing step is essential to prepare the gold for refining. It transforms the raw ore into a more concentrated form, making it easier and more efficient to purify in the refining stage.

The goal is to produce doré bars with a higher gold content, reducing the effort and cost needed for final purification.

 

 

Refining Techniques

Refining gold involves purifying the metal to achieve high levels of purity. This stage is vital in the gold supply chain because it ensures that the gold is suitable for use in various industries and investments. Two common refining techniques are the Miller process and the Wohlwill process.

The Miller process is a fast and straightforward method used to refine gold to about 99.5% purity. It involves blowing chlorine gas through molten gold.

The chlorine reacts with impurities in the gold, forming compounds that rise to the surface and can be removed. While this process is efficient and cost-effective, it doesn't achieve the highest level of purity, so it's often followed by further refining.

The Wohlwill process is used to refine gold to the highest purity levels, up to 99.99%. This method involves electrolysis, where an electric current passes through a solution containing gold chloride.

In this process, gold dissolves from a positively charged anode and deposits onto a negatively charged cathode as pure gold. The Wohlwill process is more time-consuming and expensive than the Miller process, but it produces gold of superior quality.

 

After Refining

After refining, the gold is cast into bars, coins, or other forms, depending on its intended use. Gold bars, often called bullion, are typically used for investment and held in reserves by central banks.

Coins are popular among collectors and investors. Jewelry manufacturers use refined gold to create intricate designs, relying on its purity and luster.

Refined gold must meet strict market standards to be traded and used in various applications. The purity of gold is often verified through assays, which are tests that measure the amount of pure gold in a sample.

These assays ensure that the gold meets industry standards and can be certified for sale and investment.


Get Our Free IRA/401(k) Investor's Guide

Get Our Free
IRA/401(k)
Investor's Guide


Gold Distribution

Once gold is extracted and initially processed, it must be transported to refineries for further purification. This distribution step is vital in the gold supply chain, as it connects mining operations with refineries where gold is refined to its purest form.

Transporting gold involves a range of logistics, including secure transportation and handling. Given the high value of gold, security during transit is a major concern. Companies use armored vehicles and tight security measures to ensure that the gold reaches its destination safely.

After the gold arrives at the refinery, it undergoes various refining processes to remove impurities. Once refined, the pure gold is formed into bars, coins, and other forms suitable for sale and investment.

These refined products are then distributed to markets around the world. This includes direct sales to investors, sales to jewelers, and storage in central banks.

The distribution network for gold is vast and includes many players. Large mining companies often partner with specialized logistics firms to handle the transport and security of gold.

These firms ensure that the gold is transported efficiently and safely from remote mining locations to urban refineries and markets. This network also includes international shipping and customs, as gold is traded globally.

In addition to physical distribution, gold is also traded electronically. This involves the buying and selling of gold on commodity exchanges.

While this doesn't require physical transport, it plays a key role in the global gold market. Electronic trading allows investors to buy and sell gold quickly, affecting the supply and demand dynamics.

 

 

Gold Market Dynamics

The gold market is influenced by supply and demand, which are key factors in determining its price. The supply of gold comes from mining production, recycled gold, and central bank sales.

Mining production is the primary source and is affected by factors like mining costs, geological discoveries, and political stability in gold-producing regions. Recycled gold, which comes from old jewelry and electronic components, adds to the supply.

This is especially true when gold prices are high. Central banks also play a role by buying or selling gold reserves, which can impact overall supply.

Demand for gold is driven by several sectors, including jewelry, investment, technology, and central banks. Jewelry remains the largest source of demand, especially in countries like India and China. In this places, gold is deeply rooted in cultural traditions.

 

Investment Demand

Investment demand comes from individuals and institutions looking to diversify their portfolios and hedge against economic uncertainty. Gold is seen as a safe-haven asset, often rising in value during times of financial instability or inflation.

The technology sector uses gold in electronics, medical devices, and other high-tech applications. Gold's unique properties, such as conductivity and resistance to corrosion, make it valuable in these fields. Central banks also buy gold to diversify their reserves and protect against currency fluctuations.

Economic conditions and geopolitical events can significantly impact gold's supply and demand. For instance, during times of economic recession or political instability, the demand for gold often increases as investors seek a safe place to store their wealth. During periods of economic growth and stability, the demand for gold might decrease as investors move to riskier assets.

 

 

Gold Trading and Investment

Gold trading is a major part of the gold market, allowing buyers and sellers to exchange gold for profit or investment. This trading occurs on various platforms, including physical markets and electronic exchanges.

Physical gold trading involves the buying and selling of gold bars, coins, and jewelry. This type of trading is common among individual investors and collectors who prefer to hold tangible assets.

Electronic trading, on the other hand, takes place on major exchanges like COMEX (Commodity Exchange, Inc.) and the London Bullion Market Association (LBMA). These platforms facilitate the trading of gold futures, options, and other financial products linked to gold.

Futures contracts allow traders to buy or sell gold at a predetermined price at a future date, providing opportunities for speculation and hedging.

Gold trading is influenced by a range of factors, including economic data, geopolitical events, and market sentiment. Traders closely monitor these factors to make informed decisions.

The price of gold can fluctuate significantly in response to changes in interest rates, currency values, and global economic conditions. As a result, gold trading requires a keen understanding of market dynamics and trends.



Gold Investment

Investing in gold is a popular strategy for diversifying portfolios and protecting wealth. There are several ways to invest in gold, each with its advantages and risks. Physical gold, such as bars and coins, is a traditional form of investment.

Investors buy these items and store them securely, often in a safe or a bank vault. Physical gold is valued for its tangible nature and historical significance as a store of value.

Another popular investment vehicle is gold exchange-traded funds (ETFs). These funds are traded on stock exchanges and represent ownership in gold assets. ETFs offer the convenience of trading gold without the need to store physical gold.

They are also more liquid, allowing investors to buy and sell shares easily. However, they involve management fees and other expenses.

 

Futures and Options

Gold futures and options provide another way to invest in gold. These financial instruments allow investors to speculate on the future price of gold.

Futures contracts involve agreeing to buy or sell gold at a set price on a future date. Options give investors the right, but not the obligation, to buy or sell gold at a predetermined price.

These investments can be more complex and riskier. They require a good understanding of the market.

Gold mining stocks are another form of investment. Investors buy shares in companies that mine and produce gold. The value of these stocks is influenced by the price of gold and the performance of the mining company.

This type of investment can offer significant returns but also carries risks related to the company's operations and the overall gold market.

Investing in gold provides a hedge against economic uncertainty and inflation. During times of financial instability, gold often retains or increases in value, offering protection for investors.

But gold investments have risks. The price of gold can be volatile, and investors need to consider factors like storage costs, market liquidity, and potential price fluctuations.

 

 

The Gold Supply Chain

Taking a look at the gold supply chain reveals the intricate journey of gold from mining to market. Each stage, from extraction and refining to trading, plays a big role. 

For more than two decades, U.S. Gold Bureau has been a standout resource for gold and other precious metals investing. Get our free precious metals investor guide today!

The Gold Supply Chain How Does It Work
Posting in:
United States Gold BureaubyUnited States Gold Bureau
This site uses cookies to improve your experience. By clicking, you agree to our Privacy Policy.