Hydrothermal Ore Deposits

question 43

Multiple Choice

Hydrothermal ore deposits

• A) Are formed by deposition of dissolved minerals from hot fluids.
• B) Are found only at seafloor spreading ridges.
• C) Produce only a few kinds of valuable ores, mostly of precious metals.
• D) All of the choices are correct.

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Definitions:

Diffusion

The process through which innovations, ideas, or practices are spread within a population or community over time.

Innovation

The process of translating an idea or invention into a good or service that creates value or for which customers will pay.

Implementation

The process of putting a decision or plan into effect; executing or applying a method, technique, or policy.

Knowing-Doing Gap

The divergence between what individuals or organizations know they should do and what they actually do.