A mineral within a metamorphic rock that can be used to provide a narrow constraint on the temperature and pressure of rock formation is termed a(n) ________ mineral.

Trace amounts of impurity in a mineral can commonly produce significant differences in ________ among individual crystals of this mineral.

The image below shows a mineral specimen of quartz. What is the term for the smoothly curving, clamshell-shaped surface on the sample below?

Which of the following would be an area of the ocean with the least dense water?

An important contribution made by Copernicus is his (correct) assertion that the ________.

The image below shows a mineral specimen of pyrite. What is the term for the thin parallel corrugations or stripes shown on the crystal faces below?

In the figure provided below, what type of igneous intrusion is the vertical rock unit shown by letter A?

Imagine you have a layer of limestone with high porosity but low permeability. What can you do to increase its permeability to allow water to be pumped from the layer and used as a source of drinking water?

The figure below shows a road in Death Valley, California, curving around a(n) ________.

In the whole Earth, the four most common elements (by mass) are oxygen, silicon, magnesium, and ________.