- Lava - Wikipedia
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 eruption, by contrast, produces a mixture of volcanic ash and other fragments called tephra, not lava flows )
- LAVA中文 (简体)翻译：剑桥词典 - Cambridge Dictionary
These conglomerates are composed of clasts of basalt, volcaniclastic sandstone, alkaline lava and sub-rounded chert
- NASA Uncovers Ancient Lava Flows Beneath California
From the ancient flows of Medicine Lake to the striking Lava Beds National Monument, this mind-bending exploration shows how our planet is constantly evolving
- Lava | Types, Composition, Temperature, Facts | Britannica
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
- Lava Flows - Woods Hole Oceanographic Institution
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
- What is lava made of? | Volcano World | Oregon State University
Lava is made up of crystals, volcanic glass, and bubbles (volcanic gases) As magma gets closer to the surface and cools, it begins to crystallize minerals like olivine and form bubbles of volcanic gases
- Lava - New World Encyclopedia
The hardened formation is called " lava flow," whereas the material that still contains molten rock is called an " active lava flow " The rock formed from solidified lava (or magma) is called igneous rock
- What is a lava? - The Institute for Environmental Research and Education
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 beneath the surface), solidifies upon cooling, forming various volcanic rock formations
|