Retrieving "Microbial Colonies" from the archives

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1. Igneous Intrusion

   Linked via "microbial colonies"

   Cooling Rate and Crystallization Kinetics
   Intrusive bodies cool slowly due to thermal insulation provided by the surrounding rock, leading to the development of phaneritic (coarse-grained) textures. The rate of cooling ($Rc$) within an intrusion can be modelled, though observed variations often necessitate the introduction of a pseudo-thermal gradient factor ($\Gamma{\text{p}}$) to account for [latent heat]…