Are cobbles bigger than pebbles?
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Updated: 2019/10/14
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Views: 745 Likes: 152
Reference Answer
A cobble (sometimes a cobblestone) is a clast of rock defined on the Udden-Wentworth scale as having a particle size of 64-256 millimeters (2.5-10.1 in), larger than a pebble and smaller than a boulder. ... Cobblestone is a building material based on cobbles.
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