describe how the himalayas were formed/////plzzzzz help me tmrw my xams r going to be start............

The Himalayas are among the youngest mountain ranges on the planet. According to the modern theory of plate tectonics, their formation is a result of a continental collision or orogeny along the convergent boundary between the Indo-Australian Plate and the Eurasian Plate. The collision began in the Upper Cretaceous period about 70 million years ago, when the north-moving Indo-Australian Plate, moving at about 15 cm/year, collided with the Eurasian Plate. By about 50 million years ago this fast moving Indo-Australian plate had completely closed the Tethys Ocean, whose existence has been determined by sedimentary rocks settled on the ocean floor and the volcanoes that fringed its edges. Since these sediments were light, they crumpled into mountain ranges rather than sinking to the floor. The Indo-Australian plate continues to be driven horizontally below the Tibetan plateau, which forces the plateau to move upwards. The Arakan Yoma highlands in Myanmar and the Andaman and Nicobar Islands in the Bay of Bengal were also formed as a result of this collision.

The Indo-Australian plate is still moving at 67 mm/year, and over the next 10 million years it will travel about 1,500 km into Asia. About 20 mm/year of the India-Asia convergence is absorbed by thrusting along the Himalaya southern front. This leads to the Himalayas rising by about 5 mm/year, making them geologically active. The movement of the Indian plate into the Asian plate also makes this region seismically active, leading to earthquakes from time to time.

 The Himalayas were formed around 70 million years ago, when the Indo-Australian Plate collided with the Eurasian Plate at a convergent/destructive plate boundary. This has caused fold mountains to form as there are no subductions of the plates that can be seen from the absence of volcanoes in the Himalayas

 1]The convectional

currents split the crust into a number of pieces,
thus leading to the drifting of the Indo-Australian
plate after being separated from the Gondwana
land, towards north.

2]The northward drift resulted
in the collision of the plate with the much larger
Eurasian Plate.

3]Due to this collision, the
sedimentary rocks which were accumulated in
the geosyncline known as the Tethys were folded
to form the mountain system of western Asia and
Himalaya.

 Himalayas are formed due to the collision of Indo-australian and eurasian plate which is 45million years ago. In this process a new oceanic crust is formed which is the tethys sea. The tehys sea got compressed and the sediments of the tethys sea got folded, crumpled and gave rise to HIMALAYAS. It is said that even today these mountains rise every year

 ^{According to the Theory of Plate Tectonics, the Earth’s crust was initially a single, giant super-continent called Pangea. Its northern part was the Angara land and the southern part was the Gondwana land. The movement of the molten material below the Earth’s crust caused the crust or the lithosphere to break up into a number of large fragments called lithospheric or tectonic plates. Another important feature of the Earth’s crust at the time was the geosyncline—a narrow, shallow, elongated basin with a sinking bottom in which a considerable thickness of sediments were deposited by the rivers coming from Angara land and Gondwana land—called the Tethys. After separating from the Gondwana land, the Indo-Australian Plate drifted towards the north in the direction of the Eurasian Plate. This resulted in the collision of the two plates, and due to this collision, the sedimentary rocks in the Tethys got folded to form the mountain system of western Asia and the Himalayas.}

 The Himalayas are among the youngest mountain ranges on the planet. According to the modern theory of plate tectonics, their formation is a result of a continental collision or orogeny along the convergent boundary between the Indo-Australian Plate and the Eurasian Plate. The collision began in the Upper Cretaceous period about 70 million years ago, when the north-moving Indo-Australian Plate, moving at about 15 cm/year, collided with the Eurasian Plate. By about 50 million years ago this fast moving Indo-Australian plate had completely closed the Tethys Ocean, whose existence has been determined by sedimentary rocks settled on the ocean floor and the volcanoes that fringed its edges. Since these sediments were light, they crumpled into mountain ranges rather than sinking to the floor. The Indo-Australian plate continues to be driven horizontally below the Tibetan plateau, which forces the plateau to move upwards. The Arakan Yoma highlands in Myanmar and the Andaman and Nicobar Islands in the Bay of Bengal were also formed as a result of this collision.

The Indo-Australian plate is still moving at 67 mm/year, and over the next 10 million years it will travel about 1,500 km into Asia. About 20 mm/year of the India-Asia convergence is absorbed by thrusting along the Himalaya southern front. This leads to the Himalayas rising by about 5 mm/year, making them geologically active. The movement of the Indian plate into the Asian plate also makes this region seismically active, leading to earthquakes from time to time.

 thnxxxxxxxxxxxx...........

 The Himalayas were formed around 70 million years ago, when the Indo-Australian Plate collided with the Eurasian Plate at a convergent/destructive plate boundary. This has caused fold mountains to form as there are no subductions of the plates that can be seen from the absence of volcanoes in the Himalayas

 1. The conventional currents split the crust  into a no. of pieces

2. It led to the drifting of the Indo-Australian plate after being seperated from the Gondwana land, towards north

3. The northern drift resulted in collision of the plate with the much larger Eurasian plate.

4. Due to the collision, sedimentary rocks accumulated in the geosuncline were formed.

AND LAST!!!

5. It formed the mountain system of wester Asia and Himalaya..................  WRITE IN POINTS AND YOU WILL GET GOOD MARKS.....................

The earth is composed of several plates. In the past there was only one huge land mass or the Pangea. This Pangea broke up and drifted apart from one another. The Gondwana land was the southern part of this Pangea. Due to conventional current, this Gondwana land was further broken down and split into several parts. One part of this Gondwana, the Indo-Australian plate started drifting towards the North. As a result it collided with the Eurasian plate in the North. This collision caused the sedimentary deposition of the Tethys to get folded forming the Himalaya

According to the Theory of Plate Tectonics, the Earth’s crust was initially a single, giant super-continent called Pangea. Its northern part was the Angara land and the southern part was the Gondwana land. The movement of the molten material below the Earth’s crust caused the crust or the lithosphere to break up into a number of large fragments called lithospheric or tectonic plates. Another important feature of the Earth’s crust at the time was the geosyncline—a narrow, shallow, elongated basin with a sinking bottom in which a considerable thickness of sediments were deposited by the rivers coming from Angara land and Gondwana land—called the Tethys. After separating from the Gondwana land, the Indo-Australian Plate drifted towards the north in the direction of the Eurasian Plate. This resulted in the collision of the two plates, and due to this collision, the sedimentary rocks in the Tethys got folded to form the mountain system of western Asia and the Himalayas.