Mobergs and tuyas are examples of these structures with flat tops due to the melting of an icecap.
The creation of the Siberian Traps, which may also have been the cause of the Permian-Triassic extinction, is due to one of these entities. Mobergs and tuyas are examples of these structures with flat tops due to the melting of an icecap. Underwater (*) "black smokers" are examples of these structures, and hotspots are regions featuring their characteristic activity that may be due to mantle plumes. Igneous rocks that form due to these objects have small crystals, are also called "extrusive," and include obsidian. For 10 points, name these features, whose shapes include the "shield" examples that make up many Hawaiian islands, exemplified by Krakatoa and Vesuvius.
The creation of the Siberian Traps, which may also have been the cause of the Permian-Triassic extinction, is due to one of these entities.
volcanoes