Porphyry model
WebJan 1, 2010 · 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 … WebSep 4, 2010 · Porphyry copper deposit model: Chapter B in Mineral deposit models for resource assessment September 4, 2010 This report contains a revised descriptive model …
Porphyry model
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WebOct 21, 2024 · On the left, the model shows the three alteration zones (propylitic, phyllic, and potassic) along with the ore body. On the right, it is the same thing but with the pyrite halo. This copper... WebJan 1, 2012 · Southwestern North America Laramide porphyry copper deposits are very near the median of worldwide porphyry deposit distributions in regard to size, contained Cu …
WebOnline Spatial Data; Porphyry copper deposits of the world. Information on porphyry copper deposits from around the world with grade and tonnage models, a general classification based on geologic setting, mineralogy, with data allowing locations of these deposits to be plotted using GIS. WebUSGS
WebAug 26, 2024 · According to the researchers, the results highlight machine learning’s promise as a robust, accurate, and effective approach for identifying and locating porphyry copper resources. ( Journal of ... WebJul 31, 2001 · • Discovery of several additional higher-grade epithermal gold veins, more than doubling existing resource at Tanoyan (March 2012 NI 43-101 Resource: 208,000 ounces @ 1.41g/t Au) where there is an opportunity to expand the Tanoyan model along strike and laterally with further drilling. • Discovery of large porphyry… Show more
WebAug 1, 2008 · Porphyry deposits contain large amounts of base metals, and bear important fingerprints of magmatic and hydrothermal processes in convergent and collided plate …
WebJan 1, 2010 · This interpretation supports the classic vapor plume model for porphyry copper ore formation but additionally emphasizes the role of sulfur-bearing complexes as a key chemical control on magmatic-hydrothermal metal transport and the deposition of Cu and Au in porphyry ores. phoenix newspapers todayWebIn the original classification of subtypes of porphyry copper deposits (Cox and Singer, 1986, 1992) the classes were defined by the Au/Mo ratios, but the published grade and tonnage model for the Cu-Au-Mo (model 17) included all deposits from all subtypes and did not follow the separation of subtypes based on the Au/Mo ratio. Here we strictly phoenix news obituariesWebAbstract. The root zone of a porphyry system is a specific region beneath a porphyry orebody that was a site of focused fluid flow, as evidenced by abundant quartz veins, … ttp106wWebIn the porphyry-epithermal mineral system, pathways for fluids and their contained metals, ligands and sulfur include faults, stratigraphic aquifers and crystallising intrusive bodies. Crystallising intrusions are particularly … t toys molWebJan 1, 2010 · Porphyry Cu systems host some of the most widely distributed mineralization types at convergent plate boundaries, including porphyry deposits centered on … phoenix news nbcWebApr 15, 2024 · The magmatic process within upper crust encompasses various contents such as the transition between magmatic and hydrothermal systems and changes in oxygen fugacity (ƒO2), which ultimately play key roles in the formation of porphyry Cu deposits (PCDs). However, tracing these magmatic processes, especially in porphyry systems, is … phoenix news radioWebNov 15, 2012 · Here, we present numerical simulations of the physical hydrology of porphyry systems that link the expulsion of saline magmatic fluids with the transient evolution of rock permeability and the dynamics of two-phase fluid flow ().The geometric configuration of our model is a two-dimensional (2D) representation of a 10- by 3-km magma chamber of … t-toyskh.com