Evidence of flowing lava hardened into rock was found in Idaho several miles away from the site of an eight million year old supervolcano eruption at Yellowstone. Hardened Lava Flow From Ancient ...

His main focus is the crystals held within the hardened lava. "In principle, we can forecast volcanic eruptions like we do the weather," he explains. "This is the best chance yet to link together ...

As the name suggests, lava stone is actually hardened lava—as in, it was once inside a volcano. Because the natural material ...