DISCOVERING WORLD CLASSGOLD AND GOLD-COPPER …

2021-2-1 · 03 THE TARGETS: NEW PROSPERITY GOLD -COPPER PORPHYRY DEPOSIT MODEL 15 EMERSON (50 km2) and GOATHORN (17.8 km2) have characteristics of New Prosperity gold-copper porphyry (7.7M oz. Au; 3.6 billion lb. Cu) JACOBITE(17.8 km2) has characteristics of Babine style porphyry deposits (Bell – 411,000 oz Au; 303,000 T Cu from …

The top 10 biggest copper mines in the world

2013-11-4 · The open-pit mine was estimated to contain 12.1Mt of fine copper (2,567Mt of ore reserve grading 0.47% copper) at the beginning of 2013. ... The porphyry copper deposit was discovered in 1952 and has been operational since 1998. It is the first mine to be developed entirely by the state-owned Codelco and produced 427,791t of copper and ...

Everything You Need to Know About Copper Porphyries

2015-3-11 · 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.

Porphyry copper deposits in China | Request PDF

2019-1-13 · Qulong, the largest porphyry Cu-Mo deposit with a single orebody found in China (Fig. 2), contains a resource of approximately 2200 Mt with an average grade of 0.5% Cu and 0.03% Mo (Tibet Julong ...

porphyry copper deposit | mineralogy | Britannica

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 minerals are disseminated. Porphyry copper …

Minerals | Free Full-Text | Porphyry Copper: Revisiting …

2022-7-4 · A mineral resource assessment of porphyry copper deposits in the Andes Mountains of South America was done in 2005 in cooperation with geological surveys in South America. The study identified 590 million metric tons (Mt) of copper in identified resources. Continued exploration and development in the region over a 15-year period provide an opportunity to …

Generation of porphyry copper deposits by gas–brine …

2015-2-9 · Porphyry copper deposits, that is, copper ore associated with hydrothermal fluids rising from a magma chamber, supply 75% of the world''s …

Exploration Methods Porphyry Copper

2022-7-13 · In porphyry copper exploration, topography of the region is very important. Mining analysis also helps to find the best method. Based on these two parameters may be combined with other parameters were good results. I quite agree that a good adviser to avoid wasting the costs. There are many parameters to choose the best method.

Porphyr Copper • GeoLearning • Department of Earth …

Porphyry copper, skarn and epithermal ore deposits are the most common type of hydrothermal ore deposits. They are genetically linked to convergent tectonic margins characterized by calcalkaline magmatism. Porphyry copper deposits originate in or nearby porphyritic intrusives which were saturated by water as they intruded in shallow areas of ...

Microbiological Processing of a Porphyry Copper Ore and …

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PORPHYRY DEPOSITS

2017-6-26 · The term porphyry copper now includes engineering as well as geological considerations; It refers to large, relatively low grade, epigenetic, intrusion-related deposits that can be mined using mass mining techniques. …

Understanding how porphyry-type copper deposits are …

2021-3-21 · Barrick''s controversial gold and copper mining project was previously ordered to shutter by the country''s environmental regulator in 2018. Reuters | July 14, 2022 | 11:38 am Gold price nears 11 ...

Porphyry Copper Deposits | Geology for Investors

2013-7-23 · It was originally discovered by geologists looking for the source of the rich alluvial gold deposits in the lowlands of Irian Jaya. Reserves are estimated to include 2.8 billion tonnes of ore with grades of 1.1% copper 1.04 g/t gold 3.87g/t Ag. The series of porphyry ore bodies with sulphide-rich skarn mineralisation at the margins.

Porphyry Copper Deposits: Portable X-Ray Analysis of Clay …

2021-6-1 · An efficient method to discover porphyry copper deposits is portable X-ray analysis. In this post, we dig into the ways portable XRF and XRD tools can give engineers the clues they need to mine these valuable resources and extract hidden copper ore

Porphyry Copper Deposits of the World: Database And …

2008-6-19 · for porphyry copper deposits. The consistently defined deposits in this file provide the foundation for grade and tonnage models included here and for mineral deposit density models (Singer and others, 2005: Singer, 2008). This publication contains a computer file of information on porphyry copper deposits from around the world.

[PDF] Porphyry copper deposits of the world: database, …

In this work, the continuously-weighted evidence maps of proximity to intrusive contacts, faults density, and stream sediment geochemical anomalies of a set of porphyry copper deposits in the Jiroft region of the Kerman Province in Iran are first generated using the logistic functions and integrated using the union score integration function to model the deposit type in the studied …

Copper Porphyry: One of the World''s Most Valuable …

2017-11-16 · In terms of tonnage, copper porphyry deposits range in size from 100 million tonnes to upwards of 10 billion tonnes of ore — this high tonnage of …

Porphyry Deposits Showing Potential for Long-term …

2019-12-10 · The world''s second-largest copper mine, Collahuasi, produced 559,000 Mt of copper in 2018. The world''s second-deepest open-pit copper mine, Codelco''s massive Chuquicamata deposit in Chile ...

Types and Distribution of Copper Ore in the World

What Investors Need to Know About Porphyry Copper Deposits

(PDF) The formation of porphyry copper deposits

2016-11-5 · Introduction About 75% of world copper, 50% of molybdenum, and 20% of gold are produced from porphyry copper deposits (Sillitoe, 2010) with an average ore grade of 0.45–1.5% Cu, 0.007–0.04% Mo ...

Porphyry Copper Deposits in the Course of Time …

2011-12-16 · Before the closure, the open-pit (which was the largest pit in the world at that time) produced some 180,000 tons copper and >400.000 ounces gold. The reserves are reported at 710 million tons ore averaging 0.4% copper …

Crustal magmatic controls on the formation of porphyry …

2021-7-6 · Thick crusts (>40 km) increase porphyry Cu ore potential by producing voluminous and hydrous magmas in long-lived (≥2–3 Ma) mid to lower …

What is a Porphyry Copper Deposit?

2015-6-27 · bodies are very large, generally containing from 100 million to several billion tons of copper ore with a copper content of 0.2% to 2.0%. The majority of porphyry copper deposits occur adjacent to subduction zones (i.e. Ring of Fire around the Pacific Ocean), which form along continental margins (i.e. Andes Mountains) and island arcs (i.e ...

Porphyry copper deposits in China

2019-1-13 · :. 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% of China''s Cu reserves. In term of contained Cu, 14 Cu-rich porphyry deposits are classified as giant (≥2.0 Mt Cu), and 38 are classified as intermediate (≥0 ...

Preliminary Model of Porphyry Copper Deposits

2008-10-9 · The general attributes of porphyry copper deposits are summarized below. Brief Description In hypogene parts of porphyry copper deposits, the copper occurs predominantly in chalcopyrite; other important copper ore minerals may include bornite and enargite. Ore minerals occur as disseminations and in stockworks of veins in hydrother-

Geology of Porphyry Copper Deposits

2015-3-22 · Porphyry Copper Deposit Geology PPT. Here let''s understand the geology of porphyries and iron oxide copper gold deposits or IOCG as they are known. These are somewhat the giants of the ore deposits world. As a mining …

Porphyry-Copper Ore Shells Form at Stable Pressure …

2012-11-15 · Porphyry-type ore deposits are among the world''s premier metal resources, supplying most of the copper, molybdenum, and a substantial part of gold production ().They form in response to focused expulsion of metal-bearing saline fluids from large chambers of cooling hydrous magma ().A restricted zone of ore-mineral precipitation within a more extensive plume …

(PDF) Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn–distal …

The Yinshan Keywords: deposit consists of a porphyry copper ore located in the cupola of a quartz porphyry stock, in the lower part, Porphyry Cu–Au–Mo deposits and Ag–Pb–Zn ore veins in the upper part. ... Rui et al. sured reserves: 5.2 Mt Cu at 0.45%, 128,000 t Mo at 0.01%, 215 t Au at (2005) first introduced the Dexing porphyry Cu ...

Porphyry Deposits: The World''s Largest Source of Copper

Porphyry copper, skarn and epithermal ore deposits are the most common type of hydrothermal ore deposits. They are genetically linked to convergent tectonic margins characterized by calcalkaline magmatism. Porphyry copper deposits originate in or nearby porphyritic intrusives which were saturated by water as they intruded in shallow areas of ...

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.

Major Mines & Projects | Bor Copper Mine

2022-7-20 · The main ore mineral is porphyry copper in both pits, but the North Pit includes some multi-complex ore deposits as well. ... Reserves at December 31, 2021: JM Copper Mine: Cut-off grade Cu 0.3%, T3 copper cut-off grade 0.5%. MS Mine, NC Mine, VK Mine: Cut-off grades within open-pit mining boundary Cu 0.15%. Category Tonnage