Resources (choose 1) Y Large salt deposits of Arizona: location and age, how they formed, and how they are used as a resource or for storage of natural gas Y Detachment-related mineral deposits: location, age, and characteristic minerals, and how they are interpreted to have formed during extension Y Volcanic-related gold and silver deposits: location, age, and characteristics of volcanic-related precious-metal deposits, such as those near Tonapah (NV), and Oatman (AZ) Y Hot Springs of the western United States: location, age, and geologic settings, how they formed, and which ones are used for geothermal energy Y Cascade Range (CA, OR, WA, and BC): location, age, and characteristic types of volcanoes, tectonic setting, and history of eruptions in the last several thousand years Y Sand and gravel in Arizona: location and age of the most used mineral resource in Arizona, the many ways in which they are used, characteristics of a satisfactory sand and gravel, and main geologic setting