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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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bgzhoumi bgzhoumi
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6 years ago
The quartz in granite begins to melt at 650C, so if we find a migmatite where quartz has melted in a granitic rock and we know the temperature in the region increased with depth by about 25C per kilometer, we could estimate the depth that the
 
  rock had been at to be about ________.
  A) 23.5 km B) 26.0 km C) 12.5 km D) 18.0 km
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Helverson28Helverson28
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6 years ago
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bgzhoumi Author
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6 years ago
You make an excellent tutor!
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Thanks for your help!!
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