A pebble is a clast of rock with a particle size of 4 to 64 millimeters based on the Krumbein phi scale of sedimentology.
A pebble is a clast of rock with a particle size of 4 to 64 millimeters based on the Krumbein phi scale of sedimentology. It is generally described to be larger than gravel and smaller than cobble.
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Photo credit: © Sunil Kulkarni / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: cobble, gravel, gray, mineral, nature, outdoors, pebble, rock, sedimentology, smooth, stone, variation
