Bowen's Reaction Series

What is the first mineral to crystallize in a magma chamber as it cools?

• quartz

• olivine

• mica

If a magma chamber slowly cools to solid rock underground, where would you expect to find the ultramafic rocks located?

• at the top

• in the middle

• at the bottom

Tags

NGSS.HS-ESS2-3

Granitic (felsic) rocks are generally

• light colored

• dark colored

• rainbow glitter colored

As a magma chamber is cooling, where would you expect the first minerals to crystallize?

• at the top

• in the middle

• at the bottom

Which of the rocks below contains the most quartz?

• basalt

• gabbro

• granite