Porphyry ore deposits
WebApr 12, 2024 · The Re-Os data are consistent with the whole rock K-Ar isotopic age of the granodioritie porphyry in the periphery of the mine, showing that the skarn and metallogenic ore are of magmatic hydrothermal alteration-filling origin located nearby the spatial boundary between a kind of Himalayan period porphyry and the limestone of the Jurassic … 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.
Porphyry ore deposits
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WebFeb 9, 2024 · Copper is one of the most important global infrastructure metals, and demand for it is rising. In 1980, less than 8 million tons were produced globally – a ... WebApr 14, 2024 · Metminco Limited ( LON:MNC – Get Rating) shares crossed below its two hundred day moving average during trading on Thursday . The stock has a two hundred day moving average of GBX 0.34 ($0.00 ...
Web1 day ago · Drilling has commenced to test extensions to Kaliman porphyry gold-copper and Brecha- Comanche epithermal vein hosted gold mineralisation at the Dynasty Project. 7.07m @ 5.90 g/t Au, 8.90 g/t Ag from 179.93m in CVD089. 102.7m @ 1.48 g/t Au, 4.50 g/t Ag, 0.09 % Cu from 46.5 metres in CVD072. WebCODES - Centre for Ore Deposit and Earth Sciences’ Post CODES - Centre for Ore Deposit and Earth Sciences 4,596 followers 23h
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 WebOct 18, 2011 · The database of known deposits and significant prospects includes an inventory of mineral resources in 89 known porphyry copper (and 2 related copper …
WebPorphyry; Cu-Au-Mo minor skarn, Cu-Au with a HS Au-Cu lithocap and Cu-Au systems. Mesothemal-Epithermal; episodic intra-arc Low-Intermediate-High sulphidation system, structurally controlled quartz-carbonate-Au-Ag mesothermal deposit with a supergene enrichment, epithermal Au-Cu lodes and epithermal Au. VHMS: polymetallic Zn-Pb-Cu-Ag …
WebCopper and molybdenum deposits, potassic, phyllic, argillic, and propylitic alteration, emphasis on San Manuel-Kalamazoo deposit of Arizona, tabulated data on … diamond films videography in georgiaWebPorphyry-Type Ore Deposits Werner E. Halter,* Thomas Pettke, Christoph A. Heinrich Microanalysis of major and trace elements in sulÞde and silicate melt inclusions by laser-ablation inductively coupled plasma mass spectrometry indicates a direct link between a magmatic sulÞde liquid and the composition of porphyry-type ore deposits. diamond film production logoWebPorphyry 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% … circular inhouse production budgetWebFeb 23, 2024 · The porphyry projects have both been historically drilled and present known mineral discoveries with the potential to hold large-scale deposits. Contact the author at jon.hopkins ... circular insightsWebIn all cases, deposits are thought to have formed at shallow crustal levels (<1.5 km for epithermal and <6 km for porphyry deposits: Seedorff et al., 2005; Simmons ... (Simmons et al., 2005). In skarn deposits, ore … diamond filigree band ringWeb1 day ago · The primary interest has been in our porphyry copper and sediment-hosted copper-silver prospects. To date, approximately 45% of the Awacha Porphyry Target has been covered by "Anaconda-style Mapping." circular iphoneWebMetallic ore deposits related to porphyry systems encompass a wide variety of types that can be characterised in terms of geotectonic setting, metal content, hydrothermal … diamond filtered water