Porphyry copper systems pdf

Higher grade copper assays occur in focussed zones of more proximal sericitepotassic. Enargitebearing massive sulfide deposits high in porphyry copper. In this note, the general char acteristics of enargitebearing massive sulfide deposits. The dexing porphyry copper system lies in the northeastern part of the dele ore district fig. Porphyry cuaumoepithermal agpbzndistal hydrothermal au. Generalized porphyry copper model anatomy and alteration zoning anatomy of calcalkalic porphyry copper and related mineralization alteration zonation patterns in calcalkalic porphyry systems modified from. The systems commonly define linear belts, some many. Owing to the complexity, a succinct definition that includes the essential attributes of this deposit class is elusive. The formation of porphyry copper deposits institute of geochemistry. A gold and magnetiterich variant of arizona porphyry copper systems.

Duration of magmatichydrothermal systems that form porphyry copper deposits 18. Porphyry copper deposit model, chapter b of mineral deposit. Most porphyry copper cu deposits are distributed along convergent margins fig. Porphyry copper systems supply about 75% of the worlds copper. Porphyry copper systems are mainly developed at convergent plate margins, including continental margin and islandarc settings sillitoe, 2010, where the subduction of. Mexico with an emphasis on porphyry coppertype systems. Consequently, this descriptive model uses a working definition of a porphyry copper deposit. Diagram showing an idealised magmatic system associated with porphyry copper deposits, with a precursor pluton and multiphase porphyry. Porphyry copper systems are mainly developed at convergent plate margins, including continental margin and islandarc settings sillitoe, 2010, where the subduction of oceanic crust is related to. Porphyry cu systems host some of the most widely distributed mineralization types at convergent plate boundaries, including porphyry deposits centered on intrusions. Request pdf porphyry copper systems porphyry cu systems host some of the most widely distributed mineralization types at convergent. Porphyry cu systems host some of the most widely distributed mineralization types at convergent plate boundaries, including porphyry deposits centered on.

A porphyry deposit is a semiclosed system that usually. Sillitoe 27 west hill park, highgate village, london n6 6nd, england abstract porphyry cu systems host. Pdf porphyry copper systems daniela olivares sedan. Estimated pd, pt and au potential for porphyry deposits is. Porphyry cu systems host some of the most widely distributed mineralization types at convergent plate boundaries, including porphyry deposits. We emphasize how porphyry magmatic on the principal contained metals. Introduction porphyry cu systems are defined as large volumes 10. Porphyry copper deposits result from the complex interactions and feedbacks of many processes.