The Size of Crystals in Igneous Rocks Is Generally a Function

question 84

Essay

The size of crystals in igneous rocks is generally a function of the rate of cooling. However, within the same rock, crystal size does not necessarily reflect the order of crystallization for individual minerals. Without using Bowen's Reaction Series, how might you determine the order of crystallization of minerals in an individual rock sample? (Hint: Think about the texture.)

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Definitions:

Paralanguage Cues

Non-verbal elements of communication used to modify meaning and convey emotion, such as tone of voice, loudness, pitch, and pace.

Verbal Cues

The spoken signals used in communication to convey messages, emotions, or intentions to others.

Metalanguage Cues

Signals or hints within a communication that help to interpret or understand the meaning, context, or intention of the primary message.

Passive-Aggressive

A behavior pattern characterized by indirect resistance to the demands of others and an avoidance of direct confrontation.