Just had a look and it contains 34.5% copper and 35% sulphur er and the rest is iron. That’s why it’s called chalcopyrite sulphides. Usually any sulphides are deep in the mafic and ultrafic layers and the reason being that sulphides are very heavy And usually sink during intrusions.
Just had a look and it contains 34.5% copper and 35% sulphur er...
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