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Stones with holes made by Wrinkled Rock Borers (& other seashore creatures) – Jessica's Nature Blog

Stones with holes made by Wrinkled Rock Borers (& other seashore creatures) – Jessica's Nature Blog

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Beach stones with holes in them excite the curiosity of most people. How did the holes get into the rock? There is no single answer but in many cases the holes in pebbles and beach stones have been made by various seashore creatures including several types of bivalve molluscs, marine worms, and sponges. The same…

I found these small rocks with holes in them on a beach on Lake Ontario (NY side). They all look like sandstone, but the color and size of the rocks (and holes)