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seropon [69]
3 years ago
12

Magma can partially crystallize at depth and then rise to shallow depths where the remaining magma solidifies. The early-formed

crystals are ____________ and the texture is ____________ .
Chemistry
1 answer:
Doss [256]3 years ago
5 0
<h2>Phenocrysts and Porphyritic texture </h2>

Explanation:

  • The early formed crystals are of phenocrysts and the texture of these crystals is porphyritic texture.  
  • This crystallization occurs when early-forming plagioclase crystals which are rich in calcium start coating with plagioclase crystals which are rich in sodium.
  • On cooling, the magma is then processed in a volcanic eruption, after the eruption the liquid which is left behind will start cooling and forms a porphyritic texture.  

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