ruuviuran
Ruuviuran is a term of Finnish origin that describes a groove or channel often found in natural rock formations. These features are typically created by geological processes such as erosion, glaciation, or weathering over extended periods. The shape and size of a ruuviuran can vary significantly depending on the underlying rock type and the specific environmental forces that acted upon it.
In some contexts, ruuviuran might refer to a specific type of shallow, winding channel carved into softer
While not a formally recognized geological term in international scientific literature, "ruuviuran" is used descriptively in