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Basalt column formations:
These are formed through molten lava that later crystallizes into rock formations through an extrusive process.
Another igneous but intrusive (laccolith formed beneath the surface by magma and later pushed up by tectonic forces) rock formation of phonolite porphyry:
Mountains in Chad:
These are formed through molten lava that later crystallizes into rock formations through an extrusive process.
Another igneous but intrusive (laccolith formed beneath the surface by magma and later pushed up by tectonic forces) rock formation of phonolite porphyry:
Mountains in Chad: