Experimental data combined with numerical calculations suggest that fast subducting slabs are cold enough to carry into the deep mantle a significant portion of the water in antigorite, which ...

The slab, measuring 24.1 by 20.1 centimeters, is made from locally sourced vesicular basalt, matching the geological composition of rocks in the area. The slab contains 60 characters carved on its ...

Runners, bicyclists and walkers in Columbia Park have probably noticed a couple 1,500-pound basalt slabs installed along the path in recent days. Those are part of one local teacher’s decades-long ...