Get started!
Stage 1
Answer 6 questions correctly in a row.

This is a piece of granodiorite. Granodiorite forms through the cooling of melted rock.
Do you see the mineral grains in this piece of granodiorite? The black mineral grains are crystals of the mineral biotite. The light- colored grains are crystals of minerals such as feldspar and quartz.
What type of rock is granodiorite?
metamorphic
igneous
sedimentary
ref_doc_title.
Jumping to stage 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?
