What Would You Name an Intermediate Coloured, Coarse Fragmental Volcanic

question 60

Multiple Choice

What would you name an intermediate coloured, coarse fragmental volcanic rock with large amphibole and plagioclase phenocrysts?

• A)hornblende andesite breccia
• B)hornblende granite porphyry
• C)hornblende diorite porphyry
• D)porphyritic hornblende gabbro

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Definitions:

Marginal External Cost

The cost of producing one additional unit of a good or service that is borne by someone other than the producer or consumer, such as environmental pollution.

Marginal Social Cost

The total cost to society of producing one additional unit of a good, including both private costs and externalities.

Equilibrium Price

The price at which the quantity of a product offered for sale equals the quantity of that product in demand.

Air Cargo

Goods being transported by aircraft, often for commercial purposes or rapid delivery.