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I have just had a trip up Mt. Etna (Sicily). A brilliant trip but it raised a question. There are large patches of colour in the fresh lava, due to Iron, Copper, Sulphur etc.
What mechanisms cause the elements to become separated in the process from Super Nova (all mixed up?) to individual regions under ground? There must be someone on PF who knows about this stuff.
What mechanisms cause the elements to become separated in the process from Super Nova (all mixed up?) to individual regions under ground? There must be someone on PF who knows about this stuff.