Scientists have discovered an unusually thick mantle transition zone beneath the Lesser Antilles. This discovery sheds new light on how oceanic plates sink into the Earth's mantle. Variations ...

Recent discoveries offer deeper insight into the movement of tectonic plates. New research has found that variations in rock ...

all were identified as low-titanium basalt, created about 2.823 billion years ago. The composition and formation time were similar to the basalt brought back by the United States' Apollo missions.