Which of the Following Best Describes a Pegmatitic Texture

question 44

Multiple Choice

Which of the following best describes a pegmatitic texture?

• A)Large crystals that form in a fluid-rich environment late in crystallization
• B)Porous texture resulting from escaping volatiles
• C)Fine-grained texture composed of microscopic crystals
• D)Several large crystals surrounded by a fine-grained matrix

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Definitions:

Economic Resources

The land, labor, capital, and entrepreneurial ability that are used to produce goods and services. Also known as the factors of production.

Central Planning

An economic system where major decisions about the production, allocation, and distribution of goods and services are made by the government.

Economy Expands

A phase of the economic cycle where there is an increase in industrial production, employment, income, and sales, indicating overall growth in the economy.

Economic Efficiency

A state in which resources are allocated in a way that maximizes the total utility to society, minimizing waste and inefficiency.