They are called mud brick houses.
Possibly originated in Mississippi and started being called Mississippi mud pie/cake because it looked like the thick mud that was along the banks of the Mississippi river, in later years as "Mud Pie/cake" became more main stream it just got called Mud Cake.
sediment
Silt is dirt or mud that may clog the mouth of a river.
The soil that is deposited by a river to form landforms such as river bars and river deltas is called silt. A river delta is the name of the landform that is created the mouth of a river.
Mud obtained from the Delaware River and its tributaries. Click on the 'Baseball Rubbing Mud' to go to the website of the company to supplies the mud, called Lena blackburne Baseball Rubbing Mud.
Sediment is dirt, rocks, and sand carried by a river.
The soil deposited at the mouth of a river is called silt.
Euphrates River provided water for irrigation and mud
A catfish that hides at the bottom of a river in the mud.
It's called a delta
It received it's rich silt from the Indus River. When it flooded it produced an nutrient enriched mud called silt that was good for farming and agriculture in the Indus River Valley.