Sentences with phrase «ocean ridges form»

Not exact matches

«The hypothesis that the floor of the oceans has been spreading seeks to explain some characteristics of ocean basins and the continents by supposing that material welling up from the interior of the earth forms mid-ocean ridges and then, as new material rises, moves outward, away from the ridges.

Such vents line the midocean ridges, where magma wells up to form new ocean crust.

Oceanic plates form at ocean ridges and disappear into the Earth's mantle, a process known as subduction.

The green layer is the lithospheric plate, which forms at the mid ocean ridge, then cools down and thickness as it moves away from the ridge.

The new find confirms that the ancient lavas formed at midocean ridges and found throughout deep ocean basins are by volume the largest ecosystem on Earth, scientists say.

Methane Cold Seeps Methane cold seeps are similar to the more famous black smokers in that they form isolated ecosystems as oasis in the deep ocean, but are lower temperatures and form away from mid-ocean ridges.

Reminiscent of Wales or Scotland the tranquil rural valley is precariously protected from the untamed Southern Ocean by a thin ridge of limestone that sweeps back and rises to form a forested ridge descending into magnificent lush fern gullies, habitat for the healthy bird life that frequents our cottages.

According to Jeff Masters at the Weather Underground, the unusually strong ridge of high pressure that steered so many hurricanes to the US in 2004 and 2005 was formed in response to a strong warming of the ocean in the central North Pacific.

izen says (I am just quoting one of his letters to nature that he quoted to me) The circulation of seawater through newly formed ocean crust at mid-ocean ridge spreading centres is important in the oceanic heat and chemical budgets.

Massive Arctic ice island drifting toward shipping lanes The biggest Arctic «ice island» to form in nearly 50 years — a 250 - square - kilometer behemoth described as four times the size of Manhattan — has been discovered after a Canadian scientist scanning satellite images of northwest Greenland spotted a giant break in the famed Petermann Glacier.Canada.com — Aug 07 10:16 am In another research, using Autosub, an autonomous underwater vehicle, researchers led by the British Antarctic Survey have captured ocean and sea - floor measurements, which revealed a 300 meter high ridge on the sea floor.