Question

How are the young fold mountains useful?

Answer 1

they protect us from cold wind coming from north.

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Answer 2

Fold mountains are created where two or more of Earth’s tectonic plates are pushed together, often at regions known as convergent plate boundaries and continental collision zones. The Cape Fold Mountains of South Africa, above, were created as the ancient Falklands Plateau crashed into the African plate.

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. An orogenic event takes millions of years to create a fold mountain, but you can mimic it in seconds. Cover a table with a tablecloth, or place a rug flat on the floor. Now push the edge of the tablecloth or rug—wrinkles will develop and fold on top of each other. The vocabulary of fold mountains owes something to this simple tablecloth experiment. Some of the key structures in fold mountains are nappes. Nappes are common, dramatic folded rocks or rock formations. “Nappe” is French for “tablecloth” and the formations were named after the tabletop experiment.