What Process Can Enrich a Copper Deposit, Perhaps Making It

question 38

Multiple Choice

What process can enrich a copper deposit, perhaps making it profitable?

• A) intense fracturing associated with meteoroid impacts, like at Sudbury
• B) deposition of large amounts of quartz and calcite in the rock
• C) dispersing the copper-rich grains by wind and water
• D) leaching by weathering and redeposition at the water table

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Definitions:

Conditioned Stimulus

In classical conditioning, a previously neutral stimulus that, after being associated with an unconditioned stimulus, comes to elicit a conditioned response.

Snake Phobia

An intense, irrational fear of snakes, which can cause emotional and physical reactions even in the absence of real danger.

Classical Conditioning

The act of learning through establishing a relationship between a stimulus that is environmentally based and another that occurs spontaneously in nature.

Environmental Cues

External triggers or signals that can influence behavior and perception without conscious awareness.