"Pumice." It is light and porous (filled with air pockets), which makes it significantly less dense than the average rock.
Pumice
when you apply heat and pressure to it
plutonic and volcanic
Yes it is extrusive love yall
when you apply heat and pressure to it
No. It is considered a sedimentary rock, except for the variety anthracite, which is considered a metamorphic rock.
Extrusive
Basaltic rock are true to be extrusive rock
Extrusive rock forms from cooling lava.
Basalt is the most common extrusive igneous rock.
There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.
Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.