GEOLOGY

EARTH SCIENCE

STRUCTURAL GEOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Mountains formed primarily by folding are called ____ mountains.
A
orogenisis
B
Compressional forces
C
Folded mountains
D
Really big mountains
Explanation: 

Detailed explanation-1: -Fold mountains are created where two or more of Earth’s tectonic plates are pushed together. At these colliding, compressing boundaries, rocks and debris are warped and folded into rocky outcrops, hills, mountains, and entire mountain ranges. Fold mountains are created through a process called orogeny.

Detailed explanation-2: -There are two types of fold mountains: young fold mountains (10 to 25 million years of age, e.g. Rockies and Himalayas) and old fold mountains (over 200 million years of age, e.g. Urals and Appalachians of the USA).

Detailed explanation-3: -Complete answer: Fold mountains are mountains that are formed mainly by two or more tectonic plates when the earth’s crust is pushed together.

Detailed explanation-4: -The Himalayas, which literally means the abode of snow, is the youngest and the highest range of fold mountains in the world. In India it extends in the east from the borders of Myanmar to where the Indus divides it from the Hindukush and Karakoram ranges, covering a distance of about 2500 km.

Detailed explanation-5: -Fold mountains are mountain ranges formed at destructive plate boundaries. Here, two plates move towards each other and collide. This causes sediments and rocks to get damaged and crumple (hence the name, destructive plate boundaries.

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