Author Question: What are some types of ore deposits that have formed in association with contact metamorphism? What ... (Read 63 times)

imowrer

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What are some types of ore deposits that have formed in association with contact metamorphism? What will be an ideal response?

Question 2

Study Figure 7.18 in the text. How must conditions change for a rock to go from an amphibolite to an
  eclogite facies? What happens if pressure is at 4 kbar but temperature decreases from 600 degrees C to
  400 degrees C? What will be an ideal response?




aidanmbrowne

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Answer to Question 1

Copper, iron, lead, zinc, tin, tungsten.

Answer to Question 2

For a change from amphibolite to eclogite, temperature stays the about the same, but pressure
increases. With the same pressure but decrease in temperature the facies change from amphibolite to
greenschist




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