Fragments of soil, regolith, and bedrock that are removed from the parent rock mass are transported and deposited elsewhere to make on entirely different set of surface features–the depositional landforms.
When plains are formed by river deposits, they are called riverine or alluvial plains.
The Indo Gangetic plain of the Indian sub-continent, the Hwang-Ho Plain of North China, the Lombardy Plain of the Po River in Italy and the Ganga-Brahmaputra Delta Plain in Bangladesh are examples of alluvial plains.
The deposition of sediments in a lake gives rise to a lacustrine plain or a lake plain.
The Valley of Kashmir and that of Manipur are examples of two most prominent lacustrine plains in India.
When plains are formed by glacial deposits they are called glacial or drift plains.
Plains of Canada and North-Western Europe are examples of glacial plains.
When wind is the major agent of deposition, they are called loess plains.
Loess plains of North- Western China are formed by the deposits of loessair- borne fine dust particles.