The Blueschist Facies Form Under Which of These Conditions

question 26

Multiple Choice

The blueschist facies form under which of these conditions:

• A) high temperature and high pressure
• B) low temperature and low pressure
• C) high temperature but relatively low pressure
• D) high pressure but relatively low temperature

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Definitions:

Carbanion

A negatively charged ion (anion) that consists of a carbon atom having a pair of non-bonded electrons.

Free Radical

Highly reactive atoms or molecules with an unpaired electron, involved in various chemical reactions.

Carbene

A highly reactive molecule featuring a carbon atom with two non-bonded electrons, making it very reactive.

Intermediates

Reactive species that are formed during the chemical reactions and lie in the reaction pathway between the reactants and the final products.