Fold Mountains in the World: UPSC Mind Map

Interactive mind map for fold mountains in the world, covering key concepts, relationships, and facts relevant to UPSC Prelims and Mains preparation.

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Key Concepts in this Mind Map

Fold Mountains in the World
Definition
* Result of compressional forces acting on tectonic plates.
Formation (Orogeny)
* Plate Tectonics
* Convergent Plate Boundaries: Oceanic-continental or continental-continental collisions.
* Compressional Forces: Horizontal forces causing rock layers to buckle and fold.
* Process
* Sedimentary rocks accumulate in geosynclines (long depressions).
* Plates collide, compressing and uplifting these sediments.
* Folding occurs (anticlines - upward folds, synclines - downward folds).
Characteristics
* Anticlines & Synclines: Distinctive wave-like structures.
* Sedimentary & Metamorphic Rocks: Predominant rock types.
* Volcanic & Seismic Activity: Common along plate boundaries where they form.
Types/Examples (Global Distribution)
* Young Fold Mountains (Alpine Orogeny - Cenozoic Era)
* Himalayas: Asia (Indian-Eurasian plate collision). Highest mountain range.
* Rockies: North America (Pacific/North American plate collision).
* Alps: Europe (African-Eurasian plate collision).
* Atlas: North-West Africa.
* Old Fold Mountains (Pre-Cenozoic Era)
* Appalachians: Eastern North America.
* Urals: Russia (Europe-Asia border).

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