Hydrothermal ore-forming activity associated with Tertiary volcanism occurred at different times and places in the western part of Sardinia, producing orebodies of different types and sizes, including porphyry deposits and epithermal base and precious metal occurrences. Following a list of the main porphyry-type occurrences, the general features and the alteration zones are discussed for the well known Calabona copper mine and for the recently discovered porphyry copper system in the Siliqua-Decimoputzu district.
Porphyry type mineralizations in Sardinia (Italy)
Fadda Sandro;Fiori Maddalena;
2007
Abstract
Hydrothermal ore-forming activity associated with Tertiary volcanism occurred at different times and places in the western part of Sardinia, producing orebodies of different types and sizes, including porphyry deposits and epithermal base and precious metal occurrences. Following a list of the main porphyry-type occurrences, the general features and the alteration zones are discussed for the well known Calabona copper mine and for the recently discovered porphyry copper system in the Siliqua-Decimoputzu district.File in questo prodotto:
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