In thin section preparation, we normally prepare a rock sample of any type and polished it to reach a level of 0.03mm on a polished glass slide to get a thin slice. There are alot of processes that leads to producing a thin slice of a rock sample you will uncover those steps in this article and how they apply to the study of rocks because physical identification of rocks doesn't reveal the birefringence, cleavage, pleochroism, relief, interference color etc. Of a rock sample
