Dyke

A dyke (or dike) is a magmatic blade of Roche which infiltrated in a crack of boxing. So a dyke recuts the other layers of rock (difference with the Sill).

The thickness of a dyke can vary few centimetres with a few tens of meters while its horizontal extension can reach several kilometers.

With the erosion, a dyke can be found isolated from boxing sound and form a wall.

See too

External bonds

  • Tenerife - Dykes in the national park of Teide

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