mudstone

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mudstone

[′məd‚stōn]
(geology)
An indurated equivalent of mud in the form of a blocky or massive, fine-grained sedimentary rock containing approximately equal proportions of silt and clay; lacks the fine lamination or fissility of shale.
References in periodicals archive ?
Theresa Mudrock, "Engaging Students in the Game of Research.
The Bowden Formation was laid down in a deepwater environment below storm wave base; its commonest lithofacies is so-called marlstone; that is, thick-bedded, pale-coloured mudrock (Pickerill et al.
Once all the submissions are in they will be reviewed by our panel of judges that include: Producers Don Gilmore (Linkin Park, Good Charlotte) and Mudrock (Avenged Sevenfold, Godsmack) as well as Bennett Kaufman (President/CEO of The BK Entertainment Group, a leading producer management firm).
Blending seething guitars with rich, melodic vocals, UNLOCO have further developed their signature sound on this new album, working with producer Mudrock (Godsmack, Powerman 5000, 3rd Strike).
Previous winners of Pick The Band contests have recorded with Don Gilmore and Mudrock (Avenged Sevenfold and Godsmack).
The rocks include grey to black organic-rich shale, mudrock, oil shale, siltstone, and sandstone with thin carbonate and rare evaporite.
Working with producer Mudrock (Godsmack, Powerman 5000, 3rd Strike), UNLOCO were able to mature as songwriters while still capturing the powerful and intense sound that their fans have come to expect.
The gold mineralization is superimposed on a continuous graphitic mudrock unit corresponding to the Casa Berardi Fault plane.
The onset of grey mudrock and sandstone in the Joggins Formation provides a secondary criterion in mapping incompletely exposed sections.