7 Written questions
6 Multiple choice questions
- silicic and mafic
- <50% SiO2, very fluid, non-explosive, quiet, low viscosity, divergent associated with oceanic crust.
- subduction, convergent
- solidification of magma or lava
6 True/False questions
What is silicic magma/lava? → >50% SiO2, gooey, highly viscous, becomes explosive, convergent system associated with continental crust formation.
What is extrusive? → lava
what is convergent? → plates moving toward one another
When solidified, magma chamber becomes a __ composed of granite and/or diorite. → batholith
What is intrusive? → lava
Importance of igneous rocks? → magma