c horizon
/si həˈraɪzən/
noun
- The layer of soil beneath the B-horizon, consisting mostly of weathered rock and parent material, with little organic matter.
- The C-horizon is made up of broken pieces of bedrock that have not yet turned into soil.
- When digging a well, workers often reach the C-horizon below the topsoil.
- Scientists study the C-horizon to understand how the landscape was formed.