You Are Given a Specimen of Rhyolite and a Specimen

question 45

Essay

You are given a specimen of rhyolite and a specimen of granite. What method would you use to differentiate them? How can you tell which specimen is more likely volcanic and which is more likely plutonic? Include the terms phaneritic and aphanitic in your answer.

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Definitions:

Anaerobic Respiration

A process of energy production that occurs in the absence of oxygen, converting glucose to energy in cells.

Oxygen

A chemical element with symbol O and atomic number 8, essential for respiration in most living organisms and a component of the Earth's atmosphere.

Energy Expenditure

The amount of energy, measured in calories, that a person uses to breathe, circulate blood, digest food, and be physically active.

Toxic Compound

A chemical substance known to cause harm to organisms through its chemical action when ingested, inhaled, or comes into contact with skin.