pumice
The type of igneous rock that floats is called Pumice. It isn't lighter than other rocks, just less dense because it has lots of very small air bubbles trapped in it. You can see these if you look at the exterior of the rock.
Granitic Rock
Pumice is an example of this
Pumice: A light, porous rock.
pumice
Pumice is an example of this
Pumice is basically lava froth, an extrusive rock frozen as its dissolved gases come out of solution. It looks solid but often floats on water.
Pumice is an example of this
Pumis
Pumice ^^This answer helped me with my 13 pages of science homework.
Pumice, an extrusive igneous rock. Pumice is very porous and therefore allows air to get trapped when it is in water. Pumice stones are formed when lava cools quickly, they are usually white in colour and have a heavily pitted surface.
the scientific name for granite is basalt. The scientific name is Granite. It is an igneous or intrusive igneous rock. A generic term is Granitoid, which referrs to light-colored, coarse-grained igneous rocks.
A "porous" substance.
Granite is the name of the igneous rock used in monuments.
Sedimentary, igneous and metamorphic.
Batholith is the name for a huge igneous intrusion.