👉 In geology, the term "isopycnal" refers to a type of rock formation that occurs in the Earth's crust. It is characterized by its irregular shape and the presence of numerous small, flat planes known as isopods or isoclines. These isoclines are often found in layers of rocks that have been subjected to significant deformation due to stress or pressure. Isopycnal formations can be observed in a variety of geological contexts, including sedimentary rock, metamorphic
