Sentences with phrase «mantle layer»

Ice piled onto a landmass presses it down into the squishy mantle layer below Earth's crust.

• Sticky problem: Earth's mantle layer flows slowly but is solid (2 September, p 40).

For instance, oceanic crust loaded with carbon - rich sediment could delve, or subduct, to mix with the upper mantle layer of hot rock that reaches about 410 miles (660 kilometers) down, or even to the lower mantle below that.

This specially - designed nappy cream is silky and smooth, helping to restore your baby's natural acid mantle layer as it protects.

In a paper published in Earth and Planetary Science Letters, the researchers note that the ancient Earth harbored a mantle that was as much as 200 degrees Celsius hotter than it is today — temperatures that may have brewed up more uniform, less dense material throughout the entire mantle layer.

The column of hot rock in question is known as a mantle plume, a massive upwelling in Earth's hot, slow - flowing mantle layer capped by a large, mushroom - like head.

She gives a top - to - bottom bravura performance as a grieving mother antagonizing the town's cops until they find a lead on her daughter's killer, burying her pain under a thick mantle layer of pure rage.

When slabs of Earth's crust sink into the mantle layer below, they drag ocean water with them.

Scientists have long debated over the origins of Yellowstone's supervolcano, with the most widely accepted idea suggesting that it was formed by a mantle plume — a column of hot rocks emerging from deep within our planet, in the mantle layer.

However, calculations by a team of geoscientist (including Nicolas Flament) suggest that Earth was a «water - world» up through year 2.1 billion because Earth's mantle layer may have been up to 200 °C hotter than it is today, when the early Earth still had a larger quantity of radioactive elements decaying and producing heat.

Now scientists have mined valuable clues about the onset of plate tectonics from tiny mineral grains in more than 4,000 diamonds that formed 80 to 110 miles (125 to 175 kilometers) deep in the Earth's mantle layer.