porphyroclast
porphyroclast · porphyroclasts
A clast or mineral fragment in a metamorphic rock, surrounded by a groundmass of…A clast or mineral fragment in a metamorphic rock, surrounded by a groundmass of finer-grained crystals.
Meaning
1 sensesA clast or mineral fragment in a metamorphic rock, surrounded by a groundmass of finer-grained crystals.
Forms
plural: porphyroclasts| Singular | porphyroclast |
|---|---|
| Plural | porphyroclasts |
regular