blackpoolsixthasgeography [licensed for non-commercial use only] / Hard and Soft Banding Waterfall F

blackpoolsixthasgeography [licensed for non-commercial use only] / Hard and Soft Banding Waterfall F

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日期:2024-08-10
The underlying soft rock is eroded faster than the harder rock causing undercutting The overhand of resistant rock will become unstable and collapse The collapsed material will then swirl around the foot of the waterfall and create a plunge pool through a...看更多