Any geologists on here that can help me figure this out? If it helps, [these](https://imgur.com/a/ZS0tOWK) photos were taken on a rock beach on Canada’s west coast.
In: Planetary Science
It may be glacial action, rocks suspended in the ice are ground across the bedrock. Different directions because it reflects the motion of the glacier over a long timescale.
It might be weak zones in the rock combined with water that freeze in the winter and expand, making the deep divides
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