mgb_phys Science Advisor Homework Helper Messages 7,906 Reaction score 15 Nov 11, 2009 #2 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
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
mgb_phys Science Advisor Homework Helper Messages 7,906 Reaction score 15 Nov 11, 2009 #4 More obviosuly layered
tawannab3 Messages 6 Reaction score 0 Nov 11, 2009 #5 so Granite can be classified as what basic rock type
mgb_phys Science Advisor Homework Helper Messages 7,906 Reaction score 15 Nov 11, 2009 #7 http://en.wikipedia.org/wiki/Granite
tawannab3 Messages 6 Reaction score 0 Nov 11, 2009 #9 will you be around this time tomorrow? I have some questions concerning chemical changes.