Question

Characteristics of young fold mountains

Answer 1

Folded Mountains, especially the young folded mountains, represent the world’s highest and most rugged mountains, and belong to the recently formed Alpine sys­tem.

The young folded mountains of the Alpine system circle the Pacific, and cross Eurasia from the Mediterranean to the Pacific, including such high ranges as the Andes, Sierra Nevada of California, the Cascades, the Canadian Rockies, the Alaska Range, the Alps, the Karakorum Ranges, and the Himalaya.

Characteristics of the folded mountains

(i) Folded mountains, young or old, were formed in a special type of narrow and elongated sea, called geosyncline.

(ii) These mountains are composed of sedimentary, igneous as well as metamorphic rocks, but the sedimentary rocks predominate and contain fossils which are marine is nature.

(iii) All folded mountains grew out of the sediments laid down is the geosyncline of a great geosynclinal sea in Mesozoic times.

(iv) Folded mountains are characterized by longer length and much shorter width. The Himalayas, for example, are 2400 km long and only 400 km wide.

(v) Young folded mountains represent the highest mountains on the earth. They have also highest mountain summits. Mt. Everest is the most typical example (8848m).

(vi) These mountains are generally arcuate in shape, and their length far exceeds their width.

(vii)The sediments deposited is the sea of Tethys were subjected to great pressure exerted by forelands, so young folded mountains have been characterized by widespread folds, faults and over-thrust masses.

(viii) Having been subjected to great pressure exerted by the tectonic forces, the rocks were subjected to intensive heat and pressure, so that they were metamorphosed on a large scale.

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Answer 2

Answer:

characteristics of young fold mountains are :-

1) the young fold mountains form the world's highest peaks .

2) these mountains have steep edges and lofty peaks .

3) these mountains are latest formed uprisings according to the geographic terms .

4) these mountains are formed around 10 to 25 million years ago.

Explanation:

They did not get worn by the natural elements of the earth , that is why they have steep edges and high peaks .

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