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प्रश्न
Answer the following question.
Explain the formation of Himalayas with reference to the theory of Plate Tectonics.
उत्तर
According to the plate tectonic theory, the Himalayan ranges were formed when the Indian plate was driven northwards and pushed beneath the Eurasian plate. With the advance of the Indian plate towards the north, the Tethys started contracting about 65 to 70 million years ago. About 30 to 60 million years ago, the two plates came closer and Tethys sea crust began to fracture into thrust edges. About 20 to 30 million years ago, the Himalayan ranges started emerging.
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संबंधित प्रश्न
Briefly explain the geological evolution of the Himalayas.
Give reasons for the following
(i) There is a dense network of railways over the North Indian Plains.
(ii) Peninsular Plateau has a high proportion of metalled roads.
(iii) A good transport network promotes industrial development.
Answer the following question.
Give three differences between the Western and the Eastern Himalayas.
Name any two standard geological eras, along with their duration.
Mention any two characteristic features of the Peninsular Plateau of India.
Answer the following question:
Briefly explain the geological evolution of the peninsular plateau.
(i) Where is the New Mangalore Port located?
(ii) What is the chief importance of this port?
Name the following :
A historic place in Rajasthan.
Mention any two characteristics features of the Himalayas.
Study the sketch map given below and answer the questions that follow:
- Identify the dotted region marked Y. Mention any three of its characteristic features.
- Name the mountain range marked X, the river marked R1 and the type of rock that constitutes the dotted region.
