08-19-2014, 10:43 AM
Igneous Scoria
Scoria rocks are igneous rocks which were formed when lava cooled quickly above ground. You can see where little pockets of air had been. Scoria is actually a kind of glass and not a mixture of minerals.
![[Image: scoria.jpg]](http://www.frontdesk.co.in/big/scoria.jpg)
Scoria rocks are igneous rocks which were formed when lava cooled quickly above ground. You can see where little pockets of air had been. Scoria is actually a kind of glass and not a mixture of minerals.