feeds/tech+feeds/techvideo: Jets of molten rock push Earth's tectonic plates

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Jets of molten rock push Earth's tectonic plates Jun 26th 2013, 22:58 Giant fountains of hot rock under central Africa and the central Pacific that have apparently remained stationary for at least 250 million years are helping drive the movements of the massive tectonic plates making up Earth's surface, researchers say.Below the rocky layer that makes up Earth's outermost skin, known as the lithosphere, is the searing hot rock of the mantle layer. The way this ... Media files: 6C8041874-130626-platesphoto-hmed-0150p-files.standard.jpg

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