GENERAL GEOLOGY

Detailed explanation-1: -A dune is a landform composed of wind-or water-driven sand. It typically takes the form of a mound, ridge, or hill. An area with dunes is called a dune system or a dune complex.

Detailed explanation-2: -In physical geography, a dune is a hill of sand built by eolian processes. Bare dunes are subject to shifting location and size based on their interaction with the wind. The “valley” or trough between dunes is called a slack. A “dune field” is an area covered by extensive sand dunes.

Detailed explanation-3: -A dune is a mound of sand formed by the wind, usually along the beach or in a desert. Dunes form when wind blows sand into a sheltered area behind an obstacle. Dunes grow as grains of sand accumulate.

Detailed explanation-4: -Dunes are mounds of loose sand created by wind and are the most well known aeolian features. There are a varitety of types of dunes, depending on their shape. Most dunes share a common profile, or cross section, with a long shallow angle (stoss) facing into the wind, a peak (crest), and a steep lee side.

Detailed explanation-5: -Sand dunes move forced by wind through different mechanisms. They can move through a mechanism known as “saltation”, where the particles of sand are removed from the surface and are carried by the wind, before landing back to the surface.