Petrography reviewer
{"name":"Petrography reviewer", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"deals with the origin, occurrence, structure, and history of rocks, esp. igneous and metamorphic rocks., deals with the origin, occurrence, structure, and history of rocks, esp. igneous and metamorphic rocks, Degree of crystallinity, grain size, or granularity, rounding, size distribution and the fabric or geometric relationship between grains between constituents of the rock","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}