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Geology (ROCKS) Part 1 with Schmitty Thompson

Ologies with Alie Ward

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What's Smaller Than a Boulder?

A boulder has to be greater than 25 point six centimeters, or ten point one inches, in diameter. A cobble is just maybe the size like a soft ball or a football. And then you have sand, and there's all sorts of different sizes of sand. Then you get down to silt, and the you et don't to the tiniest particles, which are clay.

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