Are Igneous Rocks Layered?

[tawannab3]

are igneous rocks layered?

 

[mgb_phys]

They can be but it's not always very obvious
Extruded basalt that flowed on the surface before cooling shows layers or more often columns - if you want to consider these layers

 

[tawannab3]

what about sedimentary and metamorphic rocks

 

[mgb_phys]

More obviosuly layered

 

[tawannab3]

so Granite can be classified as what basic rock type

 

[tawannab3]

what about granite

 

[mgb_phys]

http://en.wikipedia.org/wiki/Granite

 

[tawannab3]

ok thanks

 

[tawannab3]

will you be around this time tomorrow? I have some questions concerning chemical changes.