Nappes

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In geology, a nappe or thrust sheet is a large sheetlike body of rock that has been moved more than 2 km (1.2 mi) or 5 km (3.1 mi) above a thrust fault from its original position. Nappes form in compressional tectonic settings like continental collision zones or on the overriding plate in active subduction zones. Nappes form when a mass of rock is forced (or "thrust") over another rock mass, typically on a low angle fault plane. The resulting structure may include large-scale recumbent folds, shearing along the fault plane, imbricate thrust stacks, fensters and klippes. The term stems from the French word for tablecloth in allusion to a rumpled tablecloth being pushed across a table.

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Article title : Nappe
"position. Nappes form in compressional tectonic settings like continental collision zones or on the overriding plate in active subduction zones. Nappes form..."
Article title : Nappe (disambiguation)
"Look up nappe in Wiktionary, the free dictionary. A nappe, in geology, is a sheet of rock moved more than 2 km above a thrust fault. Nappe may also refer..."
Article title : Nappe (water)
"the air ventilation structure of a weir: free nappes, depressed nappes, and clinging nappes. A free nappe, which is ventilated to maintain atmospheric..."
Article title : Austroalpine nappes
"The Austroalpine nappes are a geological nappe stack system in the European Alps. They are structurally on top of the Penninic (meaning they were thrust..."
Article title : Klippe
"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..."
Article title : Penninic
"The Penninic nappes or the Penninicum, commonly abbreviated as Penninic, are one of three nappe stacks and geological zones in which the Alps can be divided..."
Article title : Gotthard nappe
"Tethys sea. In the south, the Simano and Adula nappes lie on top of the Gotthard nappe. The Gotthard nappe crops out in an elongated strip through the Central..."
Article title : Himalayas
"slid under, but one layer of the upper crust piled up in sheets (called nappes) ahead of the subduction zone. Geophysicist Peter Molnar noted that most..."
Article title : Hohe Tauern window
"formed by uplift and erosion of the Austroalpine nappes to expose the rocks of the underlying Penninic nappes. The smaller Engadin window in western Austria/Switzerland..."
Article title : Geology of the Alps
"southward. The rocks of the Austroalpine nappes form most of the outcrops in the Eastern Alps, while in the west these nappes are, with the exception of a few..."

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