Simple Lithology
boulder gravel size sediment
http://resource.geosciml.org/classifier/cgi/lithology/boulder_gravel_size_sediment
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definition | Sediment containing greater than 30 percent boulder-size particles (greater than 256 mm in diameter) |  |
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source | Wentworth size scale | |
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type |
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broader |
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in scheme | simplelithology | |||||
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is primary topic of | boulder gravel size sediment& properties=definition | |||||