Concretional

Con`cre´tion`al


a.1.Concretionary.
References in periodicals archive ?
The dolomite cement in the sandstones of the Burtnieki and Arukula stages has presumably developed from spots connected with fossil fragments, pyrite crystals or other centres, around which the first concretional lumps were formed.
Cervantite occurs as white concretional aggregates after senarmontite (Ruzbacka, 1968) and as yellowish to brownish coatings on stibiconite (Andras and Chovanec, 1985).