Gold endowments of porphyry deposits controlled by
Porphyry deposits are natural suppliers of most copper and significant gold to our society. Whereas the Cu-richest (Au-poor) porphyries are related to Andean-type subduction …
Porphyry copper deposit | Ore genesis, Hydrothermal, …
porphyry copper deposit, large body of rock, typically a porphyry of granitic to dioritic composition, that has been fractured on a fine scale and through which chalcopyrite and other copper …
Porphyry copper deposit | Ore genesis, Hydrothermal, …
Porphyry copper deposit, large body of rock, typically a porphyry of granitic to dioritic composition, that has been fractured on a fine scale and through which chalcopyrite and other copper …
A new model for the optimal structural context for giant porphyry
We tested this hypothesis through an integration of all the relevant data available from the main Andean porphyry copper deposits. This region was selected because it …
Porphyry Copper Deposit Model
This report contains a revised descriptive model of porphyry copper deposits (PCDs), the world's largest source (about 60 percent) and resource (about 65 percent) of copper and a major …
Porphyry Deposits
Copper Skarns: Porphyry deposits are often associated with copper skarns, which are zones of mineralization that form at the contact between an intrusive igneous rock and a carbonate rock, such as limestone. Copper …
The Chain of Processes Forming Porphyry Copper Deposits…
Large porphyry Cu deposits contain millions of tonnes of Cu in small rock volumes on the order of a cubic kilometer, enriched in concentration by two to three orders of …
Porphyry copper formation driven by water-fluxed crustal
Laramide flat-slab subduction releases fluids into the overlying crust that mediate water-fluxed melting of precursor arc lower crust, ultimately forming porphyry copper deposits, …
Porphyry copper deposit formation in arcs: What are the …
With the exception of younger porphyry systems that have been emplaced into older uplifted and eroded batholiths (e.g., the 158–153 Ma San Carlos–Panantza-Sutsu …
Crustal magmatic controls on the formation of porphyry copper deposits
Porphyry deposits are large, low-grade metal ore bodies that are formed from hydrothermal fluids derived from an underlying magma reservoir. They are important as major …
Metallogenesis and major challenges of porphyry copper …
Porphyry copper±molybdenum±gold deposits (PCDs) are the most representative magmatic-hydrothermal metallogenic system above subduction zones with important …
How to make porphyry copper deposits
Porphyry copper deposits (PCDs) represent shallow level intrusions (2–5 km) in the crust. Mineralization of Cu ores tend to occur at the tops of porphyry systems in cupolas.
Generation of porphyry copper deposits by gas–brine …
Porphyry copper deposits, that is, copper ore associated with hydrothermal fluids rising from a magma chamber, supply 75% of the world's copper. They are typically …
From long-lived batholith construction to giant porphyry copper deposit
Porphyry Cu ore deposits are the products of large, long-lived, trans-crustal arc magma systems that release and focus metal-charged fluids during the intrusion of porphyritic …
Porphyry copper deposits of the world: Database, maps, …
It also presents new grade and tonnage models for three subtypes of porphyry copper deposits, maps showing locations and general ages of these deposits, and a …
The formation of porphyry copper deposits | Acta …
Copper is a moderately incompatible chalcophile element. Its behavior is strongly controlled by sulfides. The speciation of sulfur is controlled by oxygen fugacity. Therefore, …
Identifying tectonic settings of porphyry copper deposits …
Porphyry Cu (±Mo ± Au) deposits (PCDs), as the most important type of ore deposits, provide nearly three-quarters of the copper, half of the molybdenum, and one-fifth of …
Porphyry Deposits
Copper Skarns: Porphyry deposits are often associated with copper skarns, which are zones of mineralization that form at the contact between an intrusive igneous rock and a …
Porphyry copper deposits of the world: database, map, and …
It also presents new grade and tonnage models for porphyry copper deposits and for three subtypes of porphyry copper deposits and a map showing the location of all deposits. The …
Porphyry Deposits: The World's Largest Source of Copper
Porphyry copper deposits are generally composed of a "plug-like" igneous intrusion – a large magma body that is emplaced beneath a volcanic system. On average these …
Crustal magmatic controls on the formation of porphyry …
Porphyry deposits are large, low-grade metal ore bodies that are formed from hydrothermal fluids derived from an underlying magma reservoir. They are important as major …
Porphyry Deposits: The World's Largest Source of Copper
Porphyry copper deposits are generally composed of a "plug-like" igneous intrusion– a large magma body that is emplaced beneath a volcanic system. On average these deposits can have a vertical and horizontal extent of 1-2 km and can range from tens of millions to more than one …
CHAPTER 8 PORPHYRY DEPOSITS
Porphyry copper deposits contain approximately one-half of the world's copper reserves and currently account for more than 50% of the world's annual copper production. They are the …
The Chain of Processes Forming Porphyry Copper …
Large porphyry Cu deposits contain millions of tonnes of Cu in small rock volumes on the order of a cubic kilometer, enriched in concentration by two to three orders of …
Porphyry copper deposits of the world: database, map, and …
This publication contains a computer file of information on porphyry copper deposits from around the world. It also presents new grade and tonnage models for porphyry copper deposits and …
Porphyry Copper Systems*
Porphyry Cu systems host some of the most widely distributed mineralization types at convergent plate boundaries, including porphyry deposits centered on intrusions; skarn, carbonate …
(PDF) Porphyry deposits
Porphyry deposits are the world's most important source of Cu and Mo, and are major sources of Au, Ag, and Sn; significant byproduct metals include Re, W, In, Pt, Pd, and …
Chapter 5 Porphyry Copper Deposits in China
Porphyry Cu deposits in China contain a total resource of ~47 million tonnes (Mt) Cu at average grades ranging mostly from 0.2 to 0.7% Cu (most <0.5% Cu), accounting for 42% …