👉 The term "harttite" refers to a type of rock formation that is characterized by its smooth, flat, and uniform appearance. This type of rock formation is often found in the Earth's crust and can be found on both continents. Harttites are usually composed of layers of silicate rocks, such as quartz and feldspar, which have been compressed over time and have a smooth surface. The term "harttite" is also used to describe the process of erosion by water