A dike swarm or dyke swarm is a large geological structure consisting of a major group of parallel, linear, or radially oriented magmatic dikes intruded within continental crust or central volcanoes i
Magmatic dikes radiating from West Spanish Peak, Colorado, US
View of the Kattsund-Koster dyke swarm in the Koster Islands, western Sweden
Dike swarms of Caldera de Taburiente, La Palma, Spain
Heavily altered dike swarm of the Torfajökull caldera near Landmannalaugar, Iceland