Scientists have discovered exactly how earthquakes trigger quartz into forming large gold nuggets — finally solving a mystery that's puzzled researchers for decades. "Gold forms in quartz all the time ...

Gold has always been a hot commodity. But these days, finding a nugget isn’t too tricky: Much of the world’s gold is mined from natural veins of quartz, a glassy mineral that streaks through large ...

Solid gold bars stacked in bank vaults, plating on the summer’s Olympic medals, or even your own pieces of gold jewelry could owe their existence to earthquakes. The stress and strain produced by ...