Importance of Outer Himalayas or Shiwaliks

The importance of Shivalik ranges is as follows:

  1. Shiwalik ranges which are present in North-East India to that of Nepal are forested densely, but there is a decrease in forest cover from the west of Nepal.
  2. The southern slope of the shiwalik ranges in Punjab and Himachal Pradesh are almost devoid of any forest cover.
  3. Valleys are part of Synclines and hills are part of anticlines.
  4. Siwalik mountains are sometimes thought to include the southern hills of Assam Himalayas and extend 400 miles across southern Bhutan to the Brahmaputra river.
  5. These sections are made of uncoordinated rivers and dense alluvium rocks cover the valleys.
  6. Important Duns include Dehradun, Kotli Dun, and Patli Dun.

The Shiwalik Range – Formation, Features, FAQs

Siwalik Range, also known as Siwalik Hills or the Outer Himalayas, Siwalik, usually written Shiwalik, is a sub-Himalayan range in northern India. It stretches over more than 1,000 miles (1,600 km) west-northwest from the Tista River in Sikkim state, northeastern India, across Nepal, northwestern India, and northern Pakistan. The Siwalik are sometimes thought to encompass the southern Assam Himalayan foothills, which continue eastward for 400 miles (640 km) over southern Bhutan to the Brahmaputra River bend. The range in which the name is called Siwalik (from Sanskrit, meaning “Belonging to [the God] Shiva”) is the 200 miles (320 km) of foothills in India running northwestward from the Ganges River in Haridwar, Uttarakhand state, to the Beas River.

Table of Content

  • Outer Himalayas or Shiwalik
  • Importance of Outer Himalayas or Shiwaliks
  • Different Names of Shiwalik
  • Formation of Duns
  • Major Features of the Shiwaliks

Shiwalik Range

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Outer Himalayas or Shiwalik

Despite being only 10 miles (16 kilometers) broad in some parts, the range has an average elevation of 3,000 to 4,000 feet (900 to 1,200 meters). It rises abruptly from the Indus and Ganges (Ganga) river plains in the south and follows the main range of the Himalayas in the north, divided by valleys. The southern slopes of the Shiwalik Mountain in Punjab and Himachal Pradesh are densely forested. Cho’s, or seasonal streams, cut deep into the highlands. Valleys are synclines, whereas hills are anticlines or anti-synclines....

Importance of Outer Himalayas or Shiwaliks

The importance of Shivalik ranges is as follows:...

Different Names of Shiwalik

Region/areas Names of Shiwaliks Jammu area Jammu Hills Arunachal Pradesh Dafla, Miri, Abor, and Mishmi Hills Uttarakhand The Dhang Range, Dundwa Range Churia Ghat Nepal...

Formation of Duns

During the early phases of deposition, these aggregates impeded the courses of rivers pouring from the upper levels of the Himalayas, forming temporary lakes. These transient lakes absorbed more and more conglomerates over time. The aggregates were thoroughly settled at the lakes’ bottoms....

Major Features of the Shiwaliks

These ranges are made up of unconsolidated sediments transported by rivers from the major Himalayan mountains further north. They range in length from 10 to 50 kilometers and in altitude from 900 to 1100 meters. These are layered with thick gravel and alluvium. The longitudinal valley which was lying between the lesser Himalayas and also the Shiwaliks are called Duns, such as Kotah, Patli Kothri, Chumbi, Kyarda, etc....

Conclusion

The Shiwalik range which is also known as Outer Himalayas, is located between Great Plains and Lesser Himalayas. The long valley which stretches between Little Himalayas and Shiwaliks are Dehradun, Kotli Dun, and Patli Dun. Different names are given to Shiwaliks in different regions....

FAQs on The Shiwalik Range

What is Shiwalik range?...