Tag: magmatic intrusion
Dike: what is it?
Dykes are intrusions of igneous rocks within the Earth’s crust. Unlike the plutos, which form massive sets, the dykes are in the form of veins which cut the rocks of…
Sill: what is it?
Sills are intrusions of igneous rocks within the Earth’s crust. Of tabular geometry, they are in the form of let’s go horizontal, which insinuate themselves between older surrounding sedimentary layers.…