Doubts & Discussion › Category: Theory › igneous petrology -1 Vote Up Vote Down Abhishek asked 4 years ago what is the texture formed at eutectic point in binary phase system 1 Answers 1 Vote Up Vote Down GeoCon Staff answered 4 years ago For Di-An system basalt: ophitic texture = plag laths surrounded by single pyroxene grains and granite: graphic granite = quartz grains in large single crystals of alkali feldspar