What Makes A World Class Copper Deposit
Copper isotope evidence for a Cu-rich mantle source of the world-class …
A Cu-rich mantle source may play a key role in generating giant magmatic Ni-Cu deposits worldwide, but evidence for the source's Cu enrichment and its mechanism is still rare.
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Porphyry Deposits: The World's Largest Source of Copper
Porphyry copper deposits are generally composed of a "plug-like" igneous intrusion– a large magma body that is emplaced beneath a volcanic system. On average these deposits can have a vertical and horizontal extent of 1-2 km and can range from tens of millions to more than one billion tons in size. While copper is g…
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WHAT DO WE MEAN BY A WORLD-CLASS DEPOSIT?
Economic analysis of 143 major deposits found between 1985-2003 showed that much of the industry's wealth is captured in a handful of discoveries. For gold: Of those >0.5 mt Cu-equiv, …
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World Class Molybdenum Deposits | INN
World Class Molybdenum Deposits Melissa Pistilli. Jun. 30, 2010 10:15AM PST. Industrial Metals. ... Chile is currently the largest producer of copper in the world.
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Geology of the World-Class Antamina Copper …
Antamina is located in the north-central part of Peru, in the Andes Mountains, at an elevation of 4,300 m. It is recognized as one of the largest skarn deposits in the world, with estimated resources of 3 Mt averaging 0.89% …
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Airborne Electromagnetic Survey over the Touro Copper VMS World Class …
copper deposit complex is composed of seven different bodies named, Arinteiro, V ieiro, Monteminas, Arca, Bama, Brandelos, and Fuente Rosas (Figure 2 ). Each of these bodies
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Here's Why Resolution Copper Wants to Mine Oak Flat
According to Resolution Copper, the grade of the copper deposit at Oak Flat is quite high, at 1.5% copper. That's exceptional, said Barton and Simon, as most copper deposits in …
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World Class Copper-gold Project in Yukon | INN
With 4.5 billion pounds of copper, 8.9 million ounces of gold and 6.5 million ounces of silver in proven and probable reserves, Casino is one of the world's largest undeveloped copper deposits ...
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Copper Mineral Properties, Uses and Occurrence
Porphyry copper deposits: These are the world's most important sources of copper and are associated with large, intrusive igneous rocks. Porphyry copper deposits form in the shallow crust (within 1-6 km depth) when hot, metal-rich fluids rise from cooling magma chambers and encounter cooler rock, causing copper and other metals to precipitate ...
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What Makes an Oil Deposit World Class? | INN
Top 10 Copper-producing Companies (Updated 2024) Investing in Graphene Companies (Updated 2024) ... What Makes an Oil Deposit World Class? Melissa Pistilli. Jul. 15, 2010 04:48PM PST.
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Minnesota's Copper and Nickel Deposits are …
Minnesota's Copper and Nickel Deposits are World Class. Minnesota has a long history of mining iron ore, which continues to this day. In fact, nearly 75 percent of the iron ore produced in the United States is mined …
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The geodynamics of world-class gold deposits: …
Corpus ID: 130815831; The geodynamics of world-class gold deposits: characteristics, space-time distribution, and origins @inproceedings{Kerrich2000TheGO, title={The geodynamics of world-class gold deposits: characteristics, space-time distribution, and origins}, author={Robert Kerrich and Richard J. Goldfarb and David Ian Groves and Steve …
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Digging Into the World of Copper
UI professor's research reveals new patterns in how economically important copper deposits are distributed across the Earth . About 75 percent of the world's copper comes from porphyry copper deposits. That's three-quarters of the copper in your phone, your laptop and other high-tech devices that use the metal in their circuits.
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The top 10 biggest copper mines in the world
Collahuasi copper mine 180km south-east of the port of Iquique in northern Chile ranks as the third largest copper mine in the world. Proven and probable copper reserves of the open-pit mine as of December 2012 stood at 25.895Mt. The mine produced 282,096t of copper in 2012, accounting for 5.1% of Chile's total copper output.
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Pattern in Earth's Copper Deposits
UI Researcher's Work Reveals Pattern in Earth's Copper Deposits. About 75 percent of the world's copper comes from porphyry copper deposits. A new study from the University of Idaho and the University of Michigan unearths …
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Ranked: The World's Largest Copper Producers
Incredibly, every American requires 12 pounds of copper each year to maintain their standard of living. North, South, and Central America dominate copper production, as these regions collectively host 15 of the 20 largest copper mines. Chile is the top copper producer in the world, with 27% of global copper production.
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Uses of Copper | Supply, Demand, Production, Resources
Porphyry copper deposits, which are associated with igneous intrusions, yield about two-thirds of the world's copper and are therefore the world's most important type of copper deposit. Large copper deposits of this type are found in mountainous regions of western North America and in the Andes Mountains of South America.
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Copper isotope evidence for a Cu-rich mantle source of …
source's pre-enrichment is a key step in the generation of giant magmatic Ni-Cu deposits. Keywords: Copper isotopes, initial Cu enrichment, mantle metasomatism, magmatic Ni-Cu deposits Introduction Magmatic Ni–Cu deposits have produced some of the world's most valuable economic metals (Naldrett 2010; Barnes and
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Copper Mineral | Uses and Properties
Copper is an excellent conductor of electricity. Most copper mined today is used to conduct electricity - mostly as wiring. It is also an excellent conductor of heat and is used in cooking utensils, heat sinks, and heat exchangers. Large amounts are also used to make alloys such as brass (copper and zinc) and bronze (copper, tin, and zinc).
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The Largest Copper Mines in the World by Capacity
*Mines with equal capacities have the same rankings. †2020. The ndida Mine in Chile is by far the world's largest copper mine. Its annual capacity of 1.4 million tonnes means that it can produce more copper than the second and third-largest mines combined.. Porphyry copper deposits are often characterized by lower grade ores and are mined in open pits.
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Studies re-examine how major copper deposits form
Sunday, June 7, 2015. The Bingham copper mine in Utah, one of the largest in the world, exploits a massive porphyry copper deposit. Credit: NASA. Every year, the world consumes …
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Nine Mile Metals
VMS deposits in the BMC formed 470 million years ago during intense volcanic activity on the seafloor. Metal-rich hydrothermal fluids precipitated massive sulfide mineralization near volcanic vents, forming polymetallic (copper-lead-zinc-silver-gold) deposits. Over 25 deposits containing more than 1 million tonnes have been delineated in the BMC.
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Geology and geochemistry of the Kansanshi Cu-(Au) deposit…
This work reveals a number of major, previously unrecognized, structural and stratigraphic features critical for understanding the genesis of this world-class copper deposit. Metasedimentary rocks at Kansanshi can be divided into three tectonostratigraphic domains separated by evaporitic breccia sequences.
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The role of supermountain belts and climatic controls on the …
Sedimentary rock-hosted stratiform copper deposits are the world's second largest source of copper, the largest source of cobalt and the fourth largest source of silver, based on an analysis by Singer of total production, reserves and resources at the lowest available cut-off grade, and ranked among all deposit types on Earth.Singer also showed that although …
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Western Metallica Makes Copper Discovery on Caña Brava
Both projects are in a prolific Cu-Mo metallogenic belt, extending from Northern Peru into Ecuador, which has seen notable exploration success and hosts world class discoveries and deposits such ...
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Tourmaline as a Tracer of Late-Magmatic to
The world-class San Rafael tin (-copper) deposit (central Andean tin belt, southeast Peru) is an exceptionally large and rich (>1 million metric tons Sn; grades typically >2% Sn) cassiterite-bearing hydrothermal vein system hosted by a late Oligocene (ca. 24 Ma) peraluminous K-feldspar-megacrystic granitic complex and surrounding Ordovician shales …
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Geology and Genesis of Major Copper Deposits and Districts …
For example, development of major porphyry copper deposits/districts is favored by the presence of clustered alteration-mineralization centers, mafic or massive carbonate …
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Digging Into the World of Copper
About 75 percent of the world's copper comes from porphyry copper deposits. That's three-quarters of the copper in your phone, your laptop and other high-tech devices that use the …
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Making the grade: understanding exploration …
COPPER: Anything over 100 metres and 1% copper equivalent or better is considered to be high-grade. ... and most hard rock nickel deposits are less than 10 million tonnes in size. Therefore ...
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Development of the Collahuasi copper deposits—a world-class copper …
Recent exploration successes at Collahuasi have placed the district as the world's largest, as yet undeveloped, copper resource. Now, in the final feasibility stage, two separate porphyry copper deposits, each with important secondary enrichment zones, contain a combined total tonnage of over 1.5 billion metric tons, with an average grade exceeding 1.0% copper. The first deposit …
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