Hadean in 60s: Magma Oceans & Impacts

@uncutglobe on Instagram: "The eruption of Mount St. Helens on May 18, 1980, was the most deadly and destructive volcanic event in U.S. history. The volcano exploded after a massive landslide, blasting ash, gas, and rock across the landscape. The eruption killed 57 people and flattened hundreds of square miles of forest. It also triggered mudflows and ashfall that spread across multiple states. Before the eruption, the north side of the volcano had started to bulge from rising magma. When it fin

GeoKhan Academy on Instagram: "This is how vesicles form in Basalt 1. Magma Contains Dissolved Volatiles • Basaltic magma, which originates from partial melting of the mantle, contains dissolved gases such as: • H₂O (water vapor) • CO₂ (carbon dioxide) • SO₂, H₂, and other minor gases • These gases stay dissolved at high pressures deep within the Earth. ⸻ 2. Ascent & Pressure Drop • When basaltic magma rises toward the surface (mid-ocean ridges, oceanic hotspots, continental rifts, or flood basa