View example sentences, synonyms and word forms for Extrusive.
Extrusive
Extrusive meaning
Jutting out; extruding. | Of rocks: forced, while in a plastic or molten state, on to the Earth's surface to lie atop existing rocks.
Example sentences (3)
The porphyry is thought to be intrusive in the immediate vicinity of the mine area but extrusive (flow textures visible) to the north towards Boorara.
Six to seven kilometres northwest of the Grasset deposit Balmoral has completed five holes, totaling 2,900 metres, testing a series of targets within both intrusive and extrusive phases of the GUC.
Geology Rhyolite can be considered as the extrusive equivalent to the plutonic granite rock, and consequently, outcrops of rhyolite may bear a resemblance to granite.