pseudogradational bedding

pseudogradational bedding

[¦sü·dō·grā′dā·shən·əl ′bed·iŋ]
(geology)
A structure in metamorphosed sedimentary rock in which the original textural graduation (coarse at the base, finer at the top) appears to be reversed because of the formation of porphyroblasts in the finer-grained part of the rock.