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زمینشناسی و معدن::
توپوگرافی
Fig. 6.15 Topographic profile along the Mid-At- lantic Ridge between 60° N and 30° S latitude and conditions in the mantle below (Bonatti, 1994).
Without this light-weight continental crust, which forms high topographic features on the Earth, our planet would have a completely different face.
Systems of convergent plate boundaries are char- acterized by a distinct topographic and geologic subdivision.
Deep-sea trenches form the major topographic expression at convergent plate boundaries.
The mean topographic elevation on the edge of the upper plate is low because of the effect of suction and extension.
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