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Question: Pockets of magmas can be formed by the melting of deep continental crust heated by the intrusion of other magmas. Which of the following correctly describes this process?

Options:

  1. Intrusion of basaltic magma causes deep crustal rocks to melt, producing andesitic or rhyolitic magmas.
  2. Intruded rhyolite magma causes basalt magma to form by melting of granite.
  3. Intrusion of diorite magma causes basalt magma to melt from peridotite.
  4. All of the above correctly describe the process.

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1. Intrusion of basaltic magma causes deep crustal rocks to melt, producing andesitic or rhyolitic magmas.


Pockets of magmas can be formed by the melting of deep continental crust heated by the intrusion of other magmas.

This describe the process:

Intrusion of basaltic magma causes deep crustal rocks to melt, producing andesitic or rhyolitic magmas.

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