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These images were taken at Red Rock Coulee, a natural phenomenon in the middle of the prairie near Medicine Hat, Alberta, where large red spherical sandstone concretions eroded out of the softer bedrock.
They were formed millions of years ago when sand, calcite and iron oxide formed and hardened around small nuclei such as leaves or bones. Over time, swirling water added more deposits, which stuck to the formations and made them larger, like layers on an onion.
They’re believed to be among the largest in the world measuring up to 2.5 meters. The area is also home to a variety of plants including gumbo primrose, sagebrush, juniper, prickly pear cactus, prairie crocus and broomweed.
These images were taken at Red Rock Coulee, a natural phenomenon in the middle of the prairie near Medicine Hat, Alberta, where large red spherical sandstone concretions eroded out of the softer bedrock.
They were formed millions of years ago when sand, calcite and iron oxide formed and hardened around small nuclei such as leaves or bones. Over time, swirling water added more deposits, which stuck to the formations and made them larger, like layers on an onion.
They’re believed to be among the largest in the world measuring up to 2.5 meters. The area is also home to a variety of plants including gumbo primrose, sagebrush, juniper, prickly pear cactus, prairie crocus and broomweed.
