Another possibility is that the sinking plate cools the neighboring mantle and produces convection currents that move the plates.

另一种可能是下沉的板块冷却了邻近的地幔，并产生对流，使板块移动。

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It seems possible that a sinking current of cooled mantle material on the upper side of the plate might be the cause of such deep basins.

看来，板块上侧冷却的地幔物质的下沉流可能是造成这种深盆地的原因。

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An alternative theory is that the sinking part of the plate, which is denser than the hotter surrounding mantle, pulls the rest of the plate after it.

另一种理论是，板块下沉部分的密度大于周围较热的地幔，将板块的其余部分拉在后面。

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The rock occurs some 20km or more down, although in areas where plate tectonics have forced up some of the mantle, peridotite reaches the surface.

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At the plate, he draws comparisons to such luminaries as Ty Cobb and Mickey Mantle.

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