piece mudstone and shale rock isolated white background |
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navigate by keyword : background black carbon charcoal clastic clay coal composed consisting extremely finegrained flakes fossil fragments fuel geology gold granite isolated macro mine mineral minerals mix mixture mud mudstone natural nature nobody object ore particles piece pyrite raw rock rough sedimentary shale siltsized stone that tiny white |
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Mudstone is an extremely fine-grained sedimentary rock consisting of a mixture of clay and silt-sized particles. Shale is a fine-grained, clastic sedimentary rock, composed of mud that is a mix of flakes of clay minerals and tiny fragments. |
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