Earth’s extensive igneous provinces (용암대지 포함)
Earth’s extensive igneous provinces. (a) Plateau basalts form large igneous provinces across the globe. Many are ancient and inactive. The largest known is the Ontong Java Plateau, which covers nearly 2 million km 2 (0.8 million mi2 ) on the Pacific Ocean floor. Black dots are areas of ancient volcanism along continental margins. (b) In the foreground are plateau (flood) basalts characteristic o..
