What percentage is "A good portion" ?
Gold mining dates back to ancient civilisations.
Our best estimates suggest that around 216,265 tonnes of gold have been mined throughout history.
Interestingly, about two-thirds of this gold has been extracted since 1950.
This massive increase in production has been due to advancements in mining technology and the discovery of new gold deposits.
* https://www.gold.org/goldhub/data/how-much-gold200 Years of Global Gold Production, by Country - https://elements.visualcapitalist.com/200-years-of-global-go...
Between 1500 and 1650, the Spanish imported 181 tons of gold and 16,000 tons of silver from the New World ...
* https://www.quora.com/How-much-gold-did-the-Spaniards-take-f...What's your estimate for the tonnage of gold "hoarded since biblical times" ?
