porphyrotopic

porphyrotopic

[pȯr¦fir·ə¦täp·ik]
(geology)
Referring to the fabric of a crystalline sedimentary rock in which the constituent crystals are of more than one size and in which larger crystals are enclosed in a finer-grained matrix. Also known as porphyrocrystallic.
References in periodicals archive ?
The formation of the patchy structure and the porphyrotopic texture are connected in the following compaction process (Figs.