Definition
peneplanes
noun
- Plural of peneplane; gently rolling land surfaces formed by erosion over a long geological period, nearly reduced to sea level.
Usage: geology; technical term
Examples
- The ancient peneplanes of the Appalachian region show evidence of extensive erosion over millions of years.
- Geologists study peneplanes to understand the long-term effects of weathering and erosion on continental landscapes.
- The formation of peneplanes requires stable climatic conditions and minimal tectonic activity over extended periods.
- These peneplanes represent some of the oldest landforms on the North American continent.