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Tronador

earth science Maturity 7-9 Next article →

Tronador is a huge volcano in the Andes mountains.

Tronador
Tronador

It sits right on the border of Argentina and Chile. The mountain is an extinct stratovolcano. This means it does not erupt with lava anymore. Locals call it the "Thunderer" in Spanish. They chose this name because of a loud sound. Falling ice makes a noise like thunder. This mountain is very tall. It stands more than 1,000 meters above the nearby mountains.

Many glaciers cover the sides of the mountain. There are eight glaciers in total. These include Alerce, Ventisquero Negro, and Casa Pangue. They also include Castaño Overa, Río Blanco, Frías, Peulla, and Manso. One glacier is very special. It is called Ventisquero Negro, which means "black snowdrift." This glacier has a dark brown color. It picks up dirt and sediment in its accumulation zone. This zone is where new ice forms.

Ventisquero Negro Stevage
Ventisquero Negro Stevage

The dark ice eventually breaks into icebergs. These float in a small lake until they melt.

Geologists study how the mountain was made. The volcano grew during the Pleistocene epoch. This was a time of many ice ages. The mountain became extinct about 300,000 years ago. This happened because the active volcanic zone shifted. Now, the mountain changes through erosion instead of lava. This means wind and ice shape the rocks. The landscape has many fjords and U-shaped valleys. These shapes were made by the Patagonian Ice Sheet.

Tronador
Tronador

There are several high peaks on Tronador. The highest one is called Anon or Internacional. It reaches 3,484 meters into the sky. Other named peaks are Argentino at 3,187 meters. Chileno is 3,262 meters and Torre Ilse is 2,585 meters. There are also many named ridges like Filo Blanco. People use maps to find these spots.

Mountaineers love to visit these high places. They often stay at a hut called Refugio Otto Meiling.

Many people visit the mountain for fun. Hermann Claussen first climbed it solo in 1934. Today, people go on guided trekking tours. They might walk across the Castaño Overa glacier. Some people hike to the mountain hut. The hut sits 1,200 meters above Pampa Linda. However, the weather is changing the mountain. The glaciers are retreating and getting thinner. This happens because the upper troposphere is warming.

Ventisquero Negro Stevage
Ventisquero Negro Stevage

This warming makes the ice melt away more quickly.

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🖼️ Images & Media (3)
File:Glacier Castaño Overo 1 Stevage.jpg
Glacier Castaño Overo 1 Stevage.jpg
File:Ventisquero Negro Stevage.jpg
Ventisquero Negro Stevage.jpg
File:Tronador.png
Tronador.png
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