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answ2. Yes indeed. A rock may fall down a mountain, or be moved by a glacier or river.

In some US deserts there are small rocks that have apparently slid across almost flat surfaces, due to curious local water effects.

At Karitane in Otago, New Zealand, rocks that were 2m or so beneath the sea level, move up on to the beach.

This happens in storm conditions. The kelp attached by its 'holdfast' to the rock. Due to storm waves, the kelp and its rock tear loose from its bed.

The kelp is a bladder kelp - it has small bladders to keep it afloat, and it is carried by high tide to the shore, and is deposited there.

A vertical journey of about three metres. These rocks are generally less than five kg.

[As with most magic, when it is explained, the mystery disappears]

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13y ago
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11y ago

By plate tectonics.

Continental collision compresses, folds, faults and lifts the land.

Crustal tension stretches the basement rock, causing down-warping and faulting, grabens, etc.

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