porphyroblastic
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Related to porphyroblastic: Porphyroblastic Texture, poikiloblastic
porphyroblastic
[pȯr¦fir·ə¦blas·tik] (petrology)
Pertaining to the texture of recrystallized metamorphic rock having large idioblasts of minerals possessing high form energy in a finer-grained crystalloblastic matrix.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.