My understanding is that because a rock is composed of variety of minerals, so it does not have fix melting point, rather there is a range below which whole rock is solid and above which whole rock is liquid. I want to know this liquidus and solidus temperature for granite rock based on pressure (as we can't ignore role of pressure inside earth where granite is formed?

  • $\begingroup$ Water content is probably the most important thing you need to know in addition to pressure to be able to answer that correctly. $\endgroup$
    – Gimelist
    Oct 21 '16 at 4:14

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