Genesis of Cretaceous igneous rocks and its related large scale porphyry Cu-Au mineralization in Chating, the Middle-Lower Yangtze River Metallogenic Belt: The geochemical constrains
Ore Geology Reviews(2020)
Abstract
•The ore-forming Qtz-diorite porphyry are earlier than the barren diorite porphyry in Chating.•The Chating adakitic rocks are from the slab-derived with subducted sediments.•The barren diorite porphyry generated from the partial melting of the enriched SCLM.•High oxygen fugacities favorable for the Cu–Au mineralization in Chating.
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Key words
Slab melting,Sr–Nd–Pb–Hf–S isotopes,Petrogenesis,Adakitic rocks,Chating porphyry Cu,Au deposit,Middle-Lower Yangtze River Metallogenic Belt
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