Scientists Discover Ancient ‘Hotspot’ That Shaped the Great Lakes 300 Million Years Ago as Earth’s First Imprint The Great ...

"The hotspot made the first imprint," said Aibing Li, seismologist at the University of Houston and co-author of the study. Hotspots, like those that formed Hawaii and Yellowstone, are plumes of ...

A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed where they did.

Basalt magma is highly mobile and wells up from the mantle deep beneath the Yellowstone hotspot. It’s also dense and contains concentrations of magnesium and iron. Rhyolite melt is thicker ...

Yellowstone is fueled by what's known as a hotspot, where molten material from the Earth's mantle percolates up through the crust. The rock that comes up through the crust is typically basaltic (a ...

Yellowstone National Park is home to many of the largest known volcanic eruptions on the planet, and scientists have new research that is helping determine when – and where in the park – the next one ...