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Geological Portrait - The Alps (english abstract)

The Alps are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately 1,200 km across eight Alpine countries from Austria and Slovenia in the east, Switzerland, Liechtenstein, Germany, and France to the west, and Italy and Monaco to the south. The Caucasus Mountains are higher, and the Urals longer, but both lie partly in Asia. The Alps were formed over tens of millions of years as the African and Eurasian tectonic plates collided. Extreme shortening caused by the event resulted in marine sedimentary rocks rising by thrusting and folding into high mountain peaks such as Mont Blanc and the Matterhorn. Mont Blanc spans the French–Italian border, and at 4,810 m is the highest mountain in the Alps. The Alpine region area contains about a hundred peaks higher than 4,000 m known as the "four-thousanders".

Die Alpen

Kapitelübersicht


Die Alpen - Luftbild aus dem Jahr 1920
Die Alpen - Luftbild aus dem Jahr 1920
Breithorn, Tschingelhorn, Bietschhorn. Ca. 1919-1920;
Walter Mittelholzer; Smmlg. ETH
Copyright: Walter Mittelholzer; Contribution: Collector
Image: 1421882443
License: Creative Commons - Attribution-Noncommercial-Share Alike (CC-BY-NC-SA) V.3.0
Die Alpen - Luftbild aus dem Jahr 1920

Breithorn, Tschingelhorn, Bietschhorn. Ca. 1919-1920;
Walter Mittelholzer; Smmlg. ETH

Walter Mittelholzer


Verfasser

  • Collector
  • Beiträge und/oder Zurverfügungstellung von Fotoarchiven: David Bressan, Alois Lechner, Sepp Brugger, Uwe Ludwig. Danke !


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