How are Mount Everest formed?

The formation of Mount Everest is a result of a complex process called plate tectonics. Here's a simplified explanation:

1. Continental Collision: The Indian Plate and the Eurasian Plate collided approximately 50-55 million years ago. As the Indian Plate moved northward, it collided with the Eurasian Plate, which was relatively stationary. This collision caused the landmasses to buckle and fold, leading to the formation of the Himalayan mountain range, including Mount Everest.

2. Subduction: As the Indian Plate continued to move northward, it subducted beneath the Eurasian Plate. Subduction occurs when one tectonic plate moves beneath another, causing the rocks on the subducting plate to melt. This process is crucial for the formation of volcanoes and mountain ranges.

3. Uplift and Folding: The subduction of the Indian Plate led to the rise of the Himalayas through a combination of uplift and folding. As the subducting plate melted, it released large amounts of magma and heat. This magma rose through the Earth's crust and uplifted the rocks, causing the formation of mountains. Additionally, the collision between the two plates caused the landmasses to fold and stack upon each other, further increasing the height of the mountains.

4. Erosion and Glaciation: Over millions of years, the Himalayas were subjected to intense erosion from wind, rain, and ice. Glaciers carved deep valleys and cirques into the mountain range. However, the uplift of the mountains due to plate tectonics was faster than the erosion, allowing Mount Everest to reach its current height.

It's worth noting that the process of mountain building is still ongoing. The Indian Plate is still moving northward, and the ongoing collision with the Eurasian Plate is responsible for the continued uplift of the Himalayas, including Mount Everest. However, the rate of uplift is gradually slowing down over time.