Sentences with phrase «below volcanic island»

The proximity of these ULVZs below volcanic island chains has prompted theories suggesting that the giant reservoirs of molten rock feed the mantle plumes that create the islands on Earth's surface.

Not exact matches

Java is part of a volcanic island arc, formed when one tectonic plate subducts below another.

The research team led by Dr. Jin - Young Lee confirmed in results from radiocarbon dating for carbonized wood (charcoal) found below the basaltic layer located in Sangchang - ri, Seogwipo - si, Jeju - do it dated back to 5,000 years ago; which means the time when the basalt on the upper layer was formed took place relatively recently, i.e. 5,000 years ago, and which demonstrates that the island has experienced a volcanic eruption fairly recently.

A unique chemical signature suggests volcanic rocks recently collected on Baffin Island in the Canadian Arctic survived untouched for 4.5 billion years from before the melted mantle began firing up magma to form Earth's crust and plate tectonics then mixed that crust back into the mantle below.

Below the island's green hills and white sand beaches lie volcanic slopes encrusted in hard corals and festooned with undulating groves of colorful sea fans and sponges.

This volcanic masterpiece of an island is just as incredible below the ocean as above.