Rocks

**tawannab3** · Nov11-09, 11:10 PM

are igneous rocks layered?

**mgb_phys** · Nov11-09, 11:18 PM

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** · Nov11-09, 11:19 PM

what about sedimentary and metamorphic rocks

**mgb_phys** · Nov11-09, 11:21 PM

More obviosuly layered

**tawannab3** · Nov11-09, 11:23 PM

so Granite can be classified as what basic rock type

**tawannab3** · Nov11-09, 11:27 PM

what about granite

**mgb_phys** · Nov11-09, 11:33 PM

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

**tawannab3** · Nov11-09, 11:37 PM

ok thanks

**tawannab3** · Nov11-09, 11:39 PM

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