Clay marl

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Related to Clay marl: marlstone
a whitish, smooth, chalky clay.

See also: Clay

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The first Lithuanian low-permeable soil filtration laboratory investigations of the upper-middle Devonian clay, silt, clay marl, dolomite, and sandstone were carried out by means of the "Lita-5" permeameter designed by Klizas and Miksys (1984).
The red clay marl used is that of North Devon slipware, the trays could easily serve sushi.