Antarctica has long been a land of mystery and heroic feats made famous by the explorations of James Ross, Roald Amundsen, Robert Scott and Ernest Shackleton. A key piece of the puzzle for understanding global continental evolution, Antarctica contains examples that define the spectrum of Earth's volcanic processes. Now, a joint University of Utah and University of Canterbury New Zealand study shows how CO2 deep underground helps magma avoid being trapped deep in the Earth and allows it to reach and pool at the surface.
source https://www.lifetechnology.com/blogs/life-technology-science-news/antarcticas-only-active-volcano-shows-how-co2-allows-volcanoes-to-form-persistent-lava-lakes-at-the-surface