residual clay


Also found in: Dictionary, Thesaurus.
Related to residual clay: sedimentary clay

residual clay

[rə′zij·ə·wəl ′klā]
(geology)
Very finely divided clay material formed in place by weathering of rock. Also known as primary clay.
References in periodicals archive ?
The residual clays have been partially eroded by rainfall and stream action, and redeposited nearby in quieter lake waters.
Quartz porphyry dikes within the residual clays of the Moose Creek areas contain over 50% orthoclase K-spar.
Drilling continues on the resource definition program for both transported and residual clays on the property.