Ojos del Salado, located on the border between Chile and Argentina, is the highest active volcano in the world, standing at 6,893 meters. While it hasn’t had a major eruption recently, it shows persistent signs of activity like fumaroles. It ...
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Solfataras are a specific type of volcanic vent or fumarole, that primarily emits sulfur-bearing gases, such as hydrogen sulfide and sulfur dioxide. They are often surrounded by yellow crystalline sulfur deposits formed as the gases cool and react with the ...
Pumice is a highly vesicular (porous) volcanic glass produced during explosive eruptions. It forms when gas-rich, frothy magma cools so rapidly that the gas bubbles remain trapped as holes within the rock. Because it is filled with air pockets, its ...
The Black Soil (Regur) of India is derived from the weathering of basaltic lava rocks from the Deccan Plateau. These volcanic rocks are rich in iron, magnesium and aluminum. Over millions of years, the chemical decomposition of basalt produces a ...
The Pelean eruption type is geographically significant for producing pyroclastic flows, also known as Nuée Ardente (glowing clouds). These occur when highly viscous magma blocks the vent, leading to a build-up of gas that eventually explodes laterally. These high-speed, incandescent ...