黄金价值
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地球可能存在4亿亿吨黄金,人均超500万吨,为何挖金矿却很难?
Sou Hu Cai Jing· 2025-07-14 03:30
Core Insights - The article discusses the historical context of gold mining in the United States during the gold rush, highlighting that 99.99% of prospectors returned empty-handed despite the allure of wealth [1] - It emphasizes the vast amount of gold estimated to be within the Earth, approximately 400 trillion tons, yet the difficulty of extraction due to its deep burial [3] - The article explains the natural processes that lead to the formation of gold deposits, including volcanic activity and geological movements [5][7][8] Group 1: Gold Formation and Sources - Gold is primarily formed through volcanic eruptions, which bring rare elements to the surface, leading to the creation of gold-rich ores [5] - Natural gold deposits are a significant source of gold, formed through geological processes that have allowed some gold to remain exposed at the surface [8] - The Rand goldfields in South Africa are highlighted as a major source, containing over 50% of the world's gold reserves, supplying 600 to 700 tons annually [10] Group 2: Gold's Value and Consumption - Despite increasing global gold supply, its value remains stable, and it is recognized not only as a store of value but also as a luxury consumable [12][15] - Gold is used in various applications, including medical treatments and food decoration, although its recovery after use is often inefficient [14][15] - The article warns that as surface gold deposits diminish, the potential for exploiting deeper reserves may arise, leading to ethical and environmental concerns [20] Group 3: Cosmic Perspective on Gold - Gold is formed in stars through nuclear fusion and is released into the universe during supernova explosions, eventually contributing to the formation of planets [18] - The article discusses the implications of attempting to mine gold from the Earth's core, suggesting that it could destabilize the planet's mass and gravitational integrity [17][20]