What Phenocryst Minerals Would You Expect to Find in an Aphanitic

question 66

Multiple Choice

What phenocryst minerals would you expect to find in an aphanitic rhyolite flow?

• A) quartz and K- feldspar
• B) apatite and muscovite
• C) intermediate (Ca- Na) plagioclase and amphibole or pyroxene
• D) Ca- rich plagioclase and olivine

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Definitions:

Selective Perception

The process by which individuals focus on certain stimuli within their environment while ignoring others, influenced by their interests, background, and attitudes.

Projection Errors

Mistakes in judgment where one's own thoughts, motivations, or feelings are attributed to someone else.

Self-Awareness

The conscious knowledge of one's own character, feelings, motives, and desires.

Halo Effect

A cognitive bias in which an observer's overall impression of a person, company, brand, or product influences the observer's feelings and thoughts about that entity's character or properties.