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 … WebJul 23, 2013 · Many porphyry copper mines have significant economic amounts of secondary minerals including gold (usually called a gold copper porphyry), molybdenite (in the south-western USA), and silver. Grades of …
Understanding the copper heart of volcanoes - phys.org
WebNov 16, 2024 · Freeport-McMoRan’s (NYSE: FCX) Grasberg copper-gold porphyry mine in Indonesia is the world’s largest gold mine and one of the world’s largest copper mines. In … WebMay 31, 2016 · The open-pit Zafranal Copper-Gold mine is estimated to hold 401Mt of reserves. Image: courtesy of AQM Copper. The Zafranal Copper-Gold Project, covering an … rayong petrochemical
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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 • Highland Valley • Gibraltar Mine 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, … See more WebNov 8, 2024 · Among the largest copper porphyry mines are Chuquicamata (690 million tonnes grading 2.58% Cu), Escondida and El Salvador in Chile, Toquepala in Peru, … WebThe presence of advanced argillic alteration is often used as an indicator of a mineral deposit, particularly in the case of porphyry copper and gold deposits. The clay minerals … simply 9 dog food calories