tammystamps67 tammystamps67
  • 15-10-2020
  • Biology
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How is dacite formed

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OttisD
OttisD OttisD
  • 15-10-2020

Answer:

Dacitic magma is formed by the subduction of young oceanic crust under a thick felsic continental plate. Oceanic crust is hydrothermally altered causing addition of quartz and sodium.

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