noun
- large sheets of rock that have moved from their original position and now lie over other rock formations
Usage: geology
Examples
- The geologist studied the nappes in the mountain range to understand the area’s tectonic history.
- These nappes were formed millions of years ago during continental collision.
- The Alpine nappes show evidence of massive horizontal displacement.
- Students examined rock samples from different nappes in the field.
- The complex structure includes several overlapping nappes.
- Mapping the nappes helped scientists reconstruct ancient mountain-building processes.