Flame structures in a loose boulder at Sunset Bay State Park, Oregon. Lens cap is about 52 mm in diameter. The pointy bits go in the direction of stratigraphic "up," while the blunt, lobate bits indicate stratigraphic "down." So this rock happens to be oriented vertically in roughly the same position in which it was originally deposited. It may have been rotated, though.
Photo unmodified. March 8, 2012. FlashEarth Location.
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