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The Goldich weathering series is essentially

  • A.Bowen's crystallisation order unchanged
  • B.the Mohs hardness order
  • C.the order of increasing specific gravity
  • D.Bowen's crystallisation order reversed

Answer: D

Minerals that crystallised first at the highest temperatures are furthest from equilibrium at the surface and weather first, so olivine goes before quartz. It is a neat illustration of why quartz sand is so ubiquitous.

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