The higher F and H 2O contents might decrease viscosity of magma and increase the growth rate of quartz. Consequently, the albite might be wrapped by quartz phenocrysts and finally the snowball texture formed.

  • 较高的F和H2O含量使岩浆粘度降低,石英的生长速率相对加快并逐渐包裹钠长石形成雪球结构。

  • 互联网 2025-03-09 10:26:08

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