恒定不灭的黄金：神秘的天外来客，俘虏了古今人类（之四）

Group 1: Historical Significance of Gold Artifacts - The Sanxingdui gold artifacts represent the peak of early precious metal craftsmanship in ancient China, with over 2000 grams of gold used in various items such as gold staffs and masks [1] - The earliest known coins were minted in Lydia around the 6th century BC, made from natural gold-silver alloys, leading to significant wealth for the Lydians [2] - The oldest known Chinese coins, known as Yingyuan, were used during the Warring States period and had a gold content of over 90%, primarily used for significant transactions and gifts [3] Group 2: The Golden Age of the Western Han Dynasty - The largest quantity of gold artifacts found in China comes from the Western Han tomb of the Marquis of Haihun, with 478 pieces totaling 115 kilograms, marking the "Golden Age" of the Western Han [4] - The purity of the gold artifacts from this period is exceptionally high, reaching 99%, with various forms serving both currency and ceremonial purposes [4] Group 3: Modern Gold Utilization and Value - Colombia is renowned for its historical gold production, with the Bogotá Gold Museum housing over 30,000 ancient gold artifacts [11] - Modern smartphones contain gold in various components, with an iPhone containing approximately 0.034 grams of gold, valued at about 13.3 yuan [11] - Historically, the total market value of all gold mined is around $30 trillion, with annual supply and demand stable at approximately 4,500 tons [12][13]