Problem: A volcano erupts with molten rock lava flowing out. The lava contains silica above its melting point. What situation would favor the formation of quartz inside the lava?A. The lava that flows off a cliff into the ocean. B. The lava that flows onto a flat plain and forms a thick mass. C. The lava that gets mixed by convection currents and returns to deep beneath the earth crust.D. A 5 g sample collected by a geologist, placed into a metal sample box, then a freezer. E. A fine dispersion of lava dust shot into the atmosphere as ash.

FREE Expert Solution

We are asked what situation would favor the formation of quartz inside the lava

Quartz is a crystal made of silicon and oxygen. 


Analyze each statement: 

A. The lava that flows off a cliff into the ocean. 


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Problem Details

A volcano erupts with molten rock lava flowing out. The lava contains silica above its melting point. What situation would favor the formation of quartz inside the lava?

A. The lava that flows off a cliff into the ocean. 

B. The lava that flows onto a flat plain and forms a thick mass. 

C. The lava that gets mixed by convection currents and returns to deep beneath the earth crust.

D. A 5 g sample collected by a geologist, placed into a metal sample box, then a freezer. 

E. A fine dispersion of lava dust shot into the atmosphere as ash.


Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Atomic, Ionic, and Molecular Solids concept. If you need more Atomic, Ionic, and Molecular Solids practice, you can also practice Atomic, Ionic, and Molecular Solids practice problems.