Porphyry ore

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August undefined, 2024

WebWhen the ore forms a blanketlike body along the bedding plane of the rock, it is commonly called a manto ore deposit. Other ore geometries are chimneys and veins. [4] Polymetallic … WebCODES - Centre for Ore Deposit and Earth Sciences 4,596 followers 23h Report this post Report Report. Back ...

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WebFeb 1, 2016 · Porphyry copper deposits are large. They commonly consist of hundreds of millions to billions of tonnes of ore. However, they contain typically only 0.5–1.5% copper … WebThis 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 source of molybdenum, gold and silver. Despite relatively low grades (average 0.44 percent copper in 2008), PCDs have significant economic and societal impacts ... raymond gallery kingston

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WebDrilling within the area of the southwest PFS pit wall intersected an extension of the mineralization outside of the PFS ore zone and mineral resource area. Results of the program further supported drilling results from the 2024 site investigation programs and have established expansion opportunities for additional resource delineation. Web2 days ago · Assays from a prospect known as Porphyry Target B returned a 23m hit at 0.13 per cent copper, 0.05 grams per tonne gold, 0.3 parts per million silver and 28.9ppm molybdenum including a 6m section going 0.34 per cent copper, 0.09g/t gold, 0.8ppm silver and 70.3ppm molybdenum from 73m. From the west Aus. WebMay 28, 2014 · Ore Minerals. Copper in these deposits generally occurs in copper-iron sulfide minerals such as chalcopyrite (CuFeS 2) and bornite (Cu 5 FeS 4). Brassy … raymond gallo

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Porphyry - an overview ScienceDirect Topics

WebOct 21, 2024 · The ore in copper porphyry deposits is usually located between the potassic and phyllic alternations. There is a pyrite halo surrounding the ore. Chlorite, calcide, epidote, and adularia are ... Porphyry copper deposits are copper ore bodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself. Predating or associated with those fluids are vertical dikes of porphyritic intrusive rocks from which this deposit type derives its … See more Geological background and economic significance Porphyry copper deposits represent an important resource and the dominant source of copper that is mined today to satisfy global … See more Mexico • Cananea • La Caridad • Santo Tomas Canada See more Characteristics of porphyry copper deposits include: • The orebodies are associated with multiple intrusions and See more Copper is not the only metal that occurs in porphyry deposits. There are also porphyry ore deposits mined primarily for molybdenum, many of which contain very little copper. Examples of porphyry molybdenum deposits are the Climax, Urad, Mt. Emmons, … See more raymond gallonWebSodic alteration is often associated with porphyry copper deposits and is often accompanied by other types of alteration such as phyllic and argillic alteration. The style and intensity of sodic alteration can provide important information for mineral exploration and the understanding of the mineralizing processes that took place during ore formation. raymond galliano

"WebSep 25, 2016 · Many of our largest copper deposits contain both sulfide and oxidized copper minerals. The large porphyry mines, with a total copper content of from 1.3 to 2.0 per cent., send to their mills ore with an oxide … " - Porphyry ore

Porphyry ore

WebFind many great new & used options and get the best deals for 194 Rare Rainbows Porphyry Copper Ore &Siderite Iron ore Mineral Speimen/China at the best online prices at eBay! Free shipping for many products! WebThe eastern Sunda Arc in Indonesia contains four giant porphyry Cu-Au / high sulfidation epithermal gold deposits in Sumbawa and western Java. Numerous… 15 comentários no LinkedIn

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WebThe seven gold-silver deposits within the district show common features such as multiple complex veins, an abundance (up to 30% in ore) of base-metal sulphides, a wide range of Ag/Au ratios and the common occurrence of carbonate. Quartz-vein textures indicate open-space-filling at shallow crustal levels.

WebPorphyry Cu and porphyry Mo deposits are large to giant deposits ranging up to >20 and 1.6 Gt of ore, respectively, that supply about 60 and 95% of the world’s copper and molybdenum, as well as significant amounts of gold and silver. These deposits form from hydrothermal systems that affect 10s to >100 km3 of the upper crust and result in enormous mass … WebPrincipal forms in which copper ores are found include native copper, porphyry copper, massive deposits, and mixed ores. Native copper is simply the metal found unadulterated in nature. Occasionally copper is still found in its native form, but more frequently it is mixed with other minerals, some of which may have value themselves. The amount of copper in …

WebThe eastern Sunda Arc in Indonesia contains four giant porphyry Cu-Au / high sulfidation epithermal gold deposits in Sumbawa and western Java. Numerous… 15 comments on LinkedIn WebMar 11, 2015 · Large Size, Low Grade – Porphyries typically have 100 million to 5 billion tonnes of ore with a lower grade (0.2% to >1% copper). It is the size of these deposits that allow for bulk mining and economies of scale. Long Mine Life – The size of porphyry systems usually mean that the life of the mine can be multi-decades long.

WebJul 23, 2013 · Porphyry copper deposits are typically very-low grade with between 0.4 and 1% copper. The main mineral is chalcopyrite, which is finely disseminated through the host porphyritic rocks. The only reason these …

WebJul 6, 2012 · The zoning found in ore deposits is dominantly of two distinctive types: that in syngenetic sedimentary ... or syngenetic characteristics. Here, epigenetic hydrothermal deposits include those commonly classified as vein, porphyry copper, contact metasomatic, and Mississippi Valley deposits; the syngenetic hydrothermal deposits ... raymond gallo obituaryWebJan 1, 2005 · Porphyry deposits arguably represent the most economically important class of nonferrous metallic mineral resources. These magmatic-hydrothermal deposits are … raymond galvan obituaryWebApr 15, 2024 · Porphyry Cu deposits (PCDs) are presently the main source of Cu (~75%) and a substantial source of Au (~20%) around the world [].The ore bodies of PCDs predominantly occur at shallow crustal level around dike-like porphyries, e.g., [2,3].It is well known that PCDs are usually associated with oxidized and volatile-rich magmas within shallow … raymond gallois montbrunWebFind many great new & used options and get the best deals for 194 Rare Rainbows Porphyry Copper Ore &Siderite Iron ore Mineral Speimen/China at the best online prices at eBay! … raymond gallowayWebThe eastern Sunda Arc in Indonesia contains four giant porphyry Cu-Au / high sulfidation epithermal gold deposits in Sumbawa and western Java. Numerous… 15 Kommentare auf LinkedIn raymond gallo west islipWeb2 days ago · Ore samples have shown that a conventional recovery flowsheet is suitable for the production of both molybdenum and copper concentrates. Based on an average grade of 0.06% Mo and similar copper grades it is reasonable to expect that an overall molybdenum recovery of 85-87% to a concentrate grade of 52% Mo is achievable and a copper recovery … raymond g alvine scholarshipWebFeb 27, 2015 · The formation of porphyry-type ore deposits is relatively well understood 1,2, but important pieces of the puzzle are still missing. In particular, it is commonly accepted … raymond gallun