Gold is now primarily found in very low concentrations. Open pit mines, like the one shown in this video, process tons of rock in order to extract just a few ounces. This process is extremely damaging to the environment. This clip I Segment Produced from History Channel's "How the Earth Was Made" series is being used in the geology curriculum nationwide and abroad. | Mining Geologist

Open-pit is one of the most common mining methods used and starts from the earth's surface, maintaining external exposure throughout the mining period. Learn more 👉 http://bit.ly/2A0vLmk | Anglo American