Seafloor spreading by kaleacausey96

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Slide Notes

Seafloor spreading

Published on Jan 16, 2019

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PRESENTATION OUTLINE

Seafloor spreading

By:Ka'Lea Causey

Photo by James St. John

"Seams formed mountains ranges that ran along the middle of some ocean floor."

Photo by USFWS Headquarters

Along the ridge , new molten material from inside Earth rises , erupts, cools ,and hardens to forms a solid strip of rock.

Photo by noaa_response_restoration

Deep-ocean trenches ocean floor plunges into deep underwater canyons. The process of subduction is the ocean floor sinks beneath a deep -ocean trench and back into the mantle again is called subduction.

Photo by Ansgar Gruber

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