👉 Tectibranchiate is a term used in geology to describe rocks with a layered structure, where the innermost layers are typically composed of sedimentary rocks and the outermost layers are primarily composed of igneous rocks. These rocks have a "tectonic" or "basal" composition, meaning they form from the movement of tectonic plates, which is the process by which Earth's crust moves between different positions on its surface. The term "tectibranchiate"