Abstract
Alpine porphyry copper ores located in West Romania belong to the major Alpine belt developed from the Carpathians up to the Eastern Asia. They occurred along subduction zones in regions of thin continental crust characteristic of the complicated geotectonic Thetian environment during Laramian and Neogene metallogenic events. The porphyry copper ores consist of small size subvolcanic bodies with concentric alteration zones and Cu-Mo (Au) mineralization which exhibit similitudes with the Lowell and Guilbert model during Laramian times and with the diorite model during Miocene times. The magmatism related to porphyry copper mineralization is commonly Cu rich and restricted to insignificant sialic contamination. The spatial distribution of the ores is controlled by N-S Laramian tectonomagmatic alignments (Banat) and NW trending Neogene basins along extransverse faults (Metaliferi Mountains).
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