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Mallos de Riglos

earth science Maturity 11-13 Next article →

Giant rocks stand in Spain. They are called Mallos de Riglos. These rocks are in Aragon. They are near the city of Huesca. The rocks rise 300 metres high. They sit near the Pyrenees mountains.

These rocks are made of conglomerate. This is a rock made of many small bits. Long ago, bits of stone washed down slopes. These bits mixed with limestone. Limestone is a type of rock that acts like glue. The mixture became a large, hard mass.

Then, the earth began to wear the rocks away. This is called erosion. Erosion happens when wind or water wears things down. The soft parts of the rock washed away. The hard parts stayed behind. This left the tall shapes we see today.

The rocks have very straight sides. Because of this, many people visit them. They like to go rock climbing there. It is a very popular place for climbers.

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