👉 The term "ecrustaceous" is a scientific term that refers to a type of rock formation characterized by its smooth, hard, and impermeable surface. These rocks are often found in regions with high temperatures and pressures, as well as in areas where there is little or no water. In the context of geology, ecrustaceous rocks can be distinguished from other types of rocks such as igneous and sedimentary. They are typically composed of a layer of rock that has been