👉 The term "caprock" is a geological term that refers to a type of rock formation formed by the accumulation of silt and gravel in a sedimentary or metamorphic environment. It is typically found near faults, where the pressure from these fractures can cause the rocks to break apart and form a solid rock mass. Caprock can have a variety of shapes and sizes depending on its location within the earth's crust, but it generally consists of layers of sandstone, shale, and other sedimentary