UPDATE 2026
Which of the following terms describes the process of turning sediment into sedimentary rock?
a) Lithification
b) Metamorphism
c) Solidification
d) Erosion - Answers Lithification
What mineral is common in all igneous rock types?
a) Quartz
b) Plagioclase Feldspar
c) Potassium Feldspar
d) Hornblende - Answers Plagioclase Feldspar
Which of the following is the most felsic (rich in silica)?
a) Basalt
b) Granite
c) Diorite
d) Periodotite - Answers Granite
Which of the following minerals would not typically be found in a felsic rock?
a) Olivine
b) Potassium Feldspar
c) Hornblende