How Gold Is Mined
How do miners find gold hidden underground? Follow the steps from the first discovery to extraction.
Explore the mining guide →From the rock beneath our feet to the jewellery we wear, every discovery starts with a question. What will you explore first?
Choose a karat to explore its nominal gold content. Karat measures purity on a 24-part scale.
Read the full gold purity guide →Calculated as karat ÷ 24. Actual fineness depends on the item; this tool does not authenticate gold.
Three questions to start your journey. Pick the one that sparks your curiosity.
How do miners find gold hidden underground? Follow the steps from the first discovery to extraction.
Explore the mining guide →What changes when gold is mixed with other metals? Compare purity, appearance and everyday uses.
Compare gold purity →A golden shine is only the first clue. Explore what markings and simple checks can tell you, and when expert testing is needed.
Read the authenticity guide →A step-by-step look at how gold is separated from ore.
Read extraction guide →Compare two approaches to reaching gold deposits.
Compare mining methods →Follow the next stage in turning concentrated material into metal.
Understand gold smelting →From exploration and mining to extraction, smelting and refining, discover how gold makes its journey from the earth to a finished bar.
Explore the process →Get familiar with key terms, gold purity and core concepts.
Explore how gold is mined, extracted and refined.
Dive into country guides, operations and discoveries.
Gold ore is rock containing gold. Mining and processing methods separate the valuable metal from the surrounding material. Explore the extraction guide →
Karats describe gold purity. 24K represents pure gold, while lower karat grades contain a greater proportion of other metals. Compare 24K, 22K and 18K →
Refining removes impurities to increase gold purity. The method depends on the material being processed and the required result. Browse processing guides →