u/Orange__Crush

r/whatisthisrock

Image 1 — Mysterious squiggles in a boulder in a glacial lake

Image 2 — Mysterious squiggles in a boulder in a glacial lake

Image 3 — Mysterious squiggles in a boulder in a glacial lake

▲ 8 r/whatisthisrock

Mysterious squiggles in a boulder in a glacial lake

Found this in Frigid Lake in Rocky Mountain National Park in Colorado. The squiggles are about the size of a Cheeto

u/Orange__Crush — 11 days ago