From billions to quadrillions: How much gold is really hidden in the ocean?
Published on: Sept. 21, 2025, 2:05 p.m. | Source: Times of India
Earth's oceans hold an estimated 20 million tons of gold, a treasure worth quadrillions, yet its extremely low concentration makes extraction nearly impossible with current technology. Despite ongoing research into methods like electrochemical processes and absorbent materials, the cost of harvesting this underwater wealth remains prohibitively high. Scientists are exploring alternative sources like asteroids and lunar craters.
