Pyroclastic Flow A pyroclastic flow is a volcanic feature that consists of a collection of ash, hot gases, and rock fragments that flow down the slope of the volcano.

Learn about volcanic hazards and study pyroclastic flow, pyroclastic surge, and tephra. Explore the differences between these types of natural disasters.

Explore the dangers of volcanic hazards such as pyroclastic flow, pyroclastic surge, and tephra in this engaging video. Watch now and take an optional quiz.

Learn the igneous definition and see what makes igneous rocks. Compare plutonic vs. volcanic rocks and see how they form with volcanic and plutonic rocks examples.

Learn the clastic definition and explore types of clastic sedimentary rocks. See clastic sedimentary rocks examples and learn about their structure and form.

See a detailed overview about pyroclastic flow in just 5 minutes. Learn about its materials and test your knowledge of this volcanic phenomenon by taking a quiz!

Before discussing the pumice definition, consider first the terms used to describe pumice. Igneous rocks are formed from the cooling and hardening of molten material.

Learn about felsic rocks, including the felsic definition. Discover felsic minerals, felsic rock composition, how felsic magmas form, and if granite is felsic.

Learn about the different types of volcanoes. These are composite cone volcanoes, shield cone volcanoes, cinder cone volcanoes, and lava dome...

Earth's Crust: There are four major layers (components) that the structure of the earth is divided into. From the surface to the core, the layers are the crust, the mantle, the outer core, and the inner core. …