The solid volcanic rock resulting from subsequent cooling of the molten material is often also called lava. A lava flow is an outpouring of lava during an effusive eruption. (An explosive …

Nov 25, 2025 · Lava, magma (molten rock) emerging as a liquid onto Earth’s surface. The term ‘lava’ is also used for the solidified rock formed by the cooling of a molten lava flow.

Oct 26, 2022 · Learn about the types of lava including the forms of lava flow (pahoehoe and a'a) and the chemical composition based on silica content.

6 days ago · Taking advantage of a "natural laboratory" in Iceland, a research team from the University of Arizona studied how microbes colonize fresh lava flows as soon as they cooled.

Jun 16, 2025 · Lava is molten rock that has erupted onto the Earth’s surface (or the surface of another planet or moon). This extrusive igneous rock, distinguished from magma (molten rock …

Jul 20, 2023 · When a volcano erupts, the molten rock that comes out of the Earth is called lava. Lava is so hot, it remains molten and flows until it cools and hardens into rock.

Learn about lava, the molten rock that erupts from volcanoes and its types, formation process, and the transformative impact it has on Earth's surface and ecosystems.

A lava field, sometimes called a lava bed, is a large, mostly flat area of lava flows. Such features are generally composed of highly fluid basalt lava, and can extend for tens or hundreds of …

Lava is magma, hot molten rock that flows through holes in the Earth's crust and onto the surface. Like magma, lava can be either viscous (~thick) or fluid (~thin). [1]

Centered around positive motivations, LAVA strives to teach, train, and encourage young individuals to excel in the sport of volleyball; while providing lifelong lessons in responsibility, …