A new type of rock created during large and exceptionally hot volcanic eruptions has been discovered beneath the Pacific Ocean. An international team of researchers including the University of Leeds ...

Living in the Yakima Valley, we hardly give basalt a second thought, even though it’s all around us. Three of Yakima’s churches are either built of it, or use it in their foundations. There are pieces ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Peridotite is composed mostly of greenish magnesium-iron-silicate ...