The idea goes that if a sulfur-rich fluid is introduced, gold forms this gold-sulfur complex, and when it turns out, it is highly mobile (especially in most sections of the mantle). Once entrained in ...
Timelapse footage shows Kanlaon Volcano emitting thick ash plumes in the Philippines. Authorities said that the greyish plumes rose above the crater to heights of 164 to 246 ft (50 to 75 m) in Canlaon ...