Envsys Chapter 16 review

What is one property that may be used to distinguish metallic from nonmetallic minerals?

• electrical conductivity

• cost to extract

• value

• carbon content

Which of the following is not a characteristic of a mineral?

• usually an inorganic solid

• orderly internal structure

• atoms in random patterns

• naturally occurring

Evaporites most commonly form in

• cold regions that receive large seasonal snowfall.

• rain forests where rates of evaporation are low.

• areas with frequent volcanic activity.

• arid regions where rates of evaporation are high.

What do hot, subsurface waters contain when they are identified as hydrothermal solutions?

• organic compounds

• gangue minerals

• dissolved minerals

• chunky minerals

For mining to be profitable, the price of the final product must be

• guaranteed in the reclamation plan.

• a specific percentage of the reclamation budget.

• lower than the costs of extraction and refining.

• greater than the costs of extraction and refining.

Placer deposits are surface deposits concentrated by

• evaporation and condensation.

• movement of wind and water.

• subsurface mining.

• surface mining.

Which of the following would not likely be mined using solution mining?

• gypsum

• potash

• salt

• sulfur

The first step in finding an ore deposit is

• finding placer deposits.

• smelting

• testing the salt content of rocks.

• exploring rock formations for mineralization.

About _____ percent of the world’s salt comes from the solar evaporation process.

• 10

• 30

• 50

• 70

A quarry could also be called

• an open pit.

• a pillar.

• a longwall.

• the overburden.