shale sedimentary rock the nature |
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| navigate by keyword : background black call carbon claysize close coal commonly compaction finegrained forms fossil geology gold granite isolated macro mineral mud natural nature nobody object ore particles piece rock rough sedimentary shale silt single solid stone texture that white |
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| Shale is a fine-grained sedimentary rock that forms from the compaction of silt and clay-size mineral particles that we commonly call mud. |
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