Igneous rock.
It is an igneous extrusive rock but it is still lava. As such it is called after the principle type such as Basalt lava, obsidian flows, rhyolite lava, andesite lava, phonolite lava.
A slab of volcanic rock is called a "lava flow" or a "lava rock".
Magma that reaches the surface it is called lava.Molten rock from the Earth's interior that breaks through to the surface is called lava
Molten rock from under the surface (called 'magma') that reaches the Earth's surface and flows out is is called 'lava'.
Molten rock that pours out of a volcano is called lava. Lava is the liquid rock that flows from a volcano during an eruption.
Molten rock that reaches the Earth's surface is called lava.
A slab of volcanic rock is called a "lava flow" or a "lava rock".
When lava solidifies, it is called igneous rock.
Magma that reaches the surface it is called lava.Molten rock from the Earth's interior that breaks through to the surface is called lava
Molten rock from under the surface (called 'magma') that reaches the Earth's surface and flows out is is called 'lava'.
Molten rock is called magma when it is underground and lava when it reaches the surface.
Molten rock that has erupted is called Lava, however if it has not erupted it is called Magma.
Molten rock that pours out of a volcano is called lava. Lava is the liquid rock that flows from a volcano during an eruption.
Molten rock that reaches the Earth's surface is called lava.
It is lava.
Melted rock is that hasn't surfaced is "Magma".If the melted rock already has surfaced, it is called "Lava".
Cooled lava is called a igneous rock once it has completely cooled and hardened. Some people just call it lava rock.
The hardened layer of lava is called "igneous rock".