Question

how was the himalayas formed ?

Answer 1

Australian coast and separated from Asia by the Tethys Ocean. The supercontinent Pangea began to break up 200 Ma and India started a northward drift towards Asia. 80 Ma India was 6,400 km south of the Asian continent but moving towards it at a rate of between 9 and 16 cm per year. At this time Tethys Ocean floor would have been subducting northwards beneath Asia and the plate margin would have been a Convergent oceanic-continental one just like the Andes today.

As seen in the animation above not all of the Tethys Ocean floor was completely subducted; most of the thick sediments on the Indian margin of the ocean were scraped off and accreted onto the Eurasian continent in what is known as an accretionary wedge (link to glossary). These scraped-off sediments are what now form the Himalayan mountain range

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Answer 2

HEYYaaa.!
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( a )Collision,The Himalayan mountain range have formed as a result of the collision between the Indian Plate and Eurasian Plate which began 50 million years ago and continues today. 225 million years ago (Ma) India was a large island situated off the Australian coast and separated from Asia by the Tethys Ocean.

( b )Plate Tectonic theory, has stated that Himalayas are result of tectonic movements.

( c ) So it has orginated from the Tethys Geosyncline . the sediments of this folded due to the northward movement of the Indian plate against the Eurasian Plate.

These have been in origin from about 65-70 million years ago.

The Himalayan range has been formed by many major and minor ranges that run parallel to each other .

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