Along 1,100 kilometers, from Mexico to Costa Rica, lies the Central American volcanic arc, where the variety of magma types make for a geological paradise. By Pablo Fonseca Q. / Knowable Magazine ...

The Aleutian-Alaska Arc, which stretches from Cook Inlet west across the Aleutian Islands, has fewer sources of carbon in its crust and subducted slab than most volcanic arcs around the world. This ...

Scientists say they've discovered a 400-mile chain of extinct and fossilized volcanoes beneath southern China. The volcanoes, the researchers claim, were likely formed when two major tectonic plates ...

Continental crust and granitic plutons -- Chemical composition of continental crust and the primitive mantle -- Origin of magmas of the Bowen's series -- Search for the formation mechanism of ...

Scientists may have discovered the world's oldest arc-slicing fault in Northwestern Australia's remote deserts. The finding demonstrates that plate tectonic processes were operational at least 3 ...

The Pacific 'Ring of Fire' is surging into public consciousness once again, following recent volcanic headlines from the Hayli Gubbi eruption in Ethiopia — a dramatic event involving thick ash plumes ...