Magma Pockets Lie Stacked Beneath Juan de Fuca Ridge

Off the coast of the U.S. Pacific Northwest, at the Juan de Fuca Ridge, two tectonic plates are spreading apart at a speed of 56 kilometers per 1 million years. As they spread, periodic eruptions of molten rock give rise to new oceanic crust. Seismic images…

Click here to view the original article.

Related Posts