Poikiloblastic texture This is an andalusite porphyroblast with poikiloblastic texture. Also note how the foliation (oriented roughly N-S in this view) is wrapped around the left and right corners of this grain, suggesting synkinematic growth of the andalusite porphyroblast. |
UNC sample NM-1 | |
Rock type andalusite-biotite schist | ||
Locality New Mexico | ||