The porphyry copper deposit exposed in the Liberty open-pit mine near Ely, Nevada; Part 2, The Formation of hydrothermal alteration zones

作者： Robert O. Fournier

关键词: Muscovite 、 Geochemistry 、 Quartz 、 Kaolinite 、 Biotite 、 Plagioclase 、 Montmorillonite 、 Porphyry copper deposit 、 Geology 、 Mineralogy 、 Feldspar

摘要: … bornite and chalcocite appear with chalcopyrite and pyrite as evidence of an increase in the sulfur activity in the middle alteration zone. Bornite … light of future laboratory experimentation. …