Forget panning for gold nuggets. Most gold is mined from quartz ore deposits, but how exactly large chunks of gold form within quartz was a mystery. Photograph by Colin Hawkins/Getty Images.

To answer these questions, it is easiest to start with the amount of gold that humans have mined to date. The U.S. Geological ...

New findings by scientists in Australia could challenge what we thought we knew about the way gold nuggets bloom in vast reefs beneath our feet. Under pressures of hundreds of megapascals (tens of ...

Scientists reveal that earthquakes generate electricity in quartz, explaining how enormous gold nuggets grow in deep rock ...

Most of the world's great gold deposits can be found in underground veins of quartz. But how exactly concentrated nuggets of ...

Findings suggest gold nuggets can form in quartz veins as a result of electricity produced by the pressure of earthquakes. The gold is carried in super-hot liquids from the Earth's core to its ...

A "supergiant" deposit of high-quality gold ore containing an estimated 1,000 metric tons (1,100 US tons) ... The large gold nugget, nicknamed "Hiro's Nugget," weighing 64.8 grams.