At Temperatures of Approximately 600˚C and Pressure of Approximately 5

question 83

Multiple Choice

At temperatures of approximately 600˚C and pressure of approximately 5 kbar,the minerals muscovite and quartz react with each other and produce orthoclase feldspar,sillimanite,and water.Which mineral is the source of the water?

• A)orthoclase feldspar
• B)muscovite
• C)sillimanite
• D)quartz

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