Bringing a novel approach to a classic problem, researchers have revealed how changes in ocean chemistry over the past 2 ...

Subduction of the Pacific Plate beneath the North American Plate creating the Aleutian trench and volcanic island arc (Credit: Alaska Volcano Observatory). Click image for a larger view.

If rain falls, the ash could harden and pose a danger to you." Most of the Lesser Antilles islands are part of a long volcanic arc in the Eastern Caribbean. The last eruption, in 1979, caused more ...

Bringing a novel approach to a classic problem, researchers have revealed how changes in ocean chemistry over the past 2 billion years have left an imprint on volcanic rocks formed in island arcs.