Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Over 70 percent of the world’s diamonds are mined from kimberlite ...

Most of the water used by humans is supported by abundant groundwater, and it is estimated that the amount of water pumped from the ground between 1993 and 2010 is more than 2 trillion tons. As a ...

Previous research has shown that gold deposits associated with volcanoes around the Ring of Fire originate from the Earth's mantle and are transported to the surface by magma, and that very high ...