Clay marl

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

See also: Clay

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.
In Poland at the Gryzbow sulfur mine, Miocene clay marls contain abundant amounts of fine grained disseminated hauerite (Hubicka et al.