Geoscience events - Archive

Microscopic Diamond Found in Montana

Microscopic Diamond Found in Montana

The bright green rocks jutting through the prairie soil were hard to miss, but Tom Charlton still couldn't believe his eyes. It was kimberlite, the molten rock in which diamonds are found, and preliminary tests ...

Tourists flow to Mount St. Helens

Tourists flow to Mount St. Helens

Earthquakes, steam plumes and magma flows aren’t the only renewed activity at Mount St. Helens, the Washington volcano that is rumbling back to life more than two decades after an explosion ...