nappe phréatique - meaning and definition. What is nappe phréatique
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What (who) is nappe phréatique - definition

GEOLOGICAL FEATURE OF THRUST FAULT TERRAINS
Nappe outlier
  • [[Beckov Castle]], Slovakia, perched on a limestone klippe

nappe         
  • Converging tectonic plates and the orogenic wedge
TYPE OF ROCK
Recumbent fold; Thrust sheet; Thrust sheets; Nappes; Nappe stack
[nap]
¦ noun Geology a sheet of rock that has moved sideways over neighbouring strata as a result of an overthrust or folding.
Origin
C19: from Fr. nappe 'tablecloth'.
Nappe         
  • Converging tectonic plates and the orogenic wedge
TYPE OF ROCK
Recumbent fold; Thrust sheet; Thrust sheets; Nappes; Nappe stack
·noun Sheet; surface; all that portion of a surface that is continuous in such a way that it is possible to pass from any one point of the portion to any other point of the portion without leaving the surface. Thus, some hyperboloids have one nappe, and some have two.
Aarmassif         
GEOLOGIC MASSIF IN THE SWISS ALPS
Aar massif; Aar Massif; Aar nappe; Aaremassif
The Aarmassif or Aaremassif (German: Aarmassiv) is a geologic massif in the Swiss Alps. It contains a number of large mountain chains and parts of mountain chains.

Wikipedia

Klippe

A klippe (German for cliff or crag) is a geological feature of thrust fault terrains. The klippe is the remnant portion of a nappe after erosion has removed connecting portions of the nappe. This process results in an outlier of exotic, often nearly horizontally translated strata overlying autochthonous strata. Examples of klippes include:

  • Chief Mountain, Montana
  • Mount Yamnuska, Alberta
  • The Rock of Gibraltar

Klippes may also be found in the Pre-Alps of Switzerland and some of the isolated mountains in Assynt, Sutherland, in NW Scotland.