All of the following are examples of descriptive classifications except
A) igneous vs. sedimentary vs. metamorphic rocks.
B) silica rich vs. silica poor vs. intermediate rocks.
C) dark-colored vs. medium-colored vs. light-colored rocks.
D) carbonate vs. mixed-carbonate vs. non-carbonate rocks.
Question 2
An example using a genetic classification of minerals is
A) The Metamorphic Minerals.
B) The Mohs Hardness Minerals.
C) The Silicate Structures.
D) The Rock Forming Minerals.