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mantle rock |
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That well-established model began to be questioned 8 years ago, when researchers exploring some sections of the slow-spreading Mid-Atlantic Ridge found small, widely dispersed areas of exposed mantle rock on the seafloor. Apex has advised CaribGold that the source of these minerals is likely a kimberlite or closely related mantle rock. Bercovici and his Yale colleague Shun-Ichiro Karato propose that when slow-rising mantle rock reaches within 400 kilometers of Earth's surface, the material sheds much of its water and partially melts. |
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