The vast areas of mafic volcanism/plutonism associated with the Jurassic breakup of Gondwanaland in the Southern Hemisphere include many large diabase/dolerite sills and dike swarms.
As vastas áreas de volcanismo/plutonismo máfico asociadas coa fragmentación no Xurásico de Gondwana no hemisferio sur inclúe moitos sills grandes de diabase/dolerita e diques radiais.