nappe
- noun
- /næp/
- Specialized
:
nappe
- Geologists studied the nappe to understand how the mountain range was formed.
Examples
-
In geometry, a double cone consists of two nappes joined at the vertex.
-
Several nappes can be found in the Swiss Alps.
-
The nappe extended for miles, showing evidence of ancient tectonic movement.
-
The geological nappe was formed millions of years ago.
-
In geometry, one nappe of a double cone extends upwards while the other extends downwards.
-
The geologist examined the nappe to determine its composition and age.
-
During their fieldwork, the researchers mapped out multiple nappes in the mountainous terrain.
How Large
Surface Forms
Etymology
The geological and geometric use of nappe also comes from French nappe and Latin mappa meaning 'cloth' or 'sheet'. So a geological nappe is like a giant 'sheet' or 'blanket' of rock moved from its original place, and in geometry a nappe is one 'sheet' of a double cone.